- G taper shank drills with oil-hole NACHI GTDOH series

Model	Brief specs	Item Status	Price, Order
GTDOH13.0x250	Drill bit diameter/ size: 13mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH14.5x300	Drill bit diameter/ size: 14.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH21.0x300	Drill bit diameter/ size: 21mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH27.5x400	Drill bit diameter/ size: 27.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH11.5x250	Drill bit diameter/ size: 11.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH18.0x250	Drill bit diameter/ size: 18mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH33.0x450	Drill bit diameter/ size: 33mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH8.5x250	Drill bit diameter/ size: 8.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH32.5x450	Drill bit diameter/ size: 32.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH39.0x450	Drill bit diameter/ size: 39mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH40.5x450	Drill bit diameter/ size: 40.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH18.0x300	Drill bit diameter/ size: 18mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH21.5x300	Drill bit diameter/ size: 21.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH6.5x250	Drill bit diameter/ size: 6.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH12.0x250	Drill bit diameter/ size: 12mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH13.5x250	Drill bit diameter/ size: 13.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH23.0x300	Drill bit diameter/ size: 23mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH30.0x400	Drill bit diameter/ size: 30mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH34.5x450	Drill bit diameter/ size: 34.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH10.0x250	Drill bit diameter/ size: 10mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH16.0x300	Drill bit diameter/ size: 16mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH24.5x400	Drill bit diameter/ size: 24.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH12.5x250	Drill bit diameter/ size: 12.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH42.5x450	Drill bit diameter/ size: 42.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH44.5x450	Drill bit diameter/ size: 44.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH47.5x450	Drill bit diameter/ size: 47.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH6.0x250	Drill bit diameter/ size: 6mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH25.5x400	Drill bit diameter/ size: 25.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH26.5x400	Drill bit diameter/ size: 26.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH5.5x250	Drill bit diameter/ size: 5.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH29.5x400	Drill bit diameter/ size: 29.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH36.0x450	Drill bit diameter/ size: 36mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH37.0x450	Drill bit diameter/ size: 37mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH40.0x450	Drill bit diameter/ size: 40mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH49.0x450	Drill bit diameter/ size: 49mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH17.0x300	Drill bit diameter/ size: 17mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH18.5x300	Drill bit diameter/ size: 18.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH23.5x400	Drill bit diameter/ size: 23.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH17.5x300	Drill bit diameter/ size: 17.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH36.5x450	Drill bit diameter/ size: 36.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH41.0x450	Drill bit diameter/ size: 41mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH22.5x300	Drill bit diameter/ size: 22.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH35.0x450	Drill bit diameter/ size: 35mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH11.0x250	Drill bit diameter/ size: 11mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH10.5x250	Drill bit diameter/ size: 10.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH14.0x250	Drill bit diameter/ size: 14mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH15.5x300	Drill bit diameter/ size: 15.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH49.5x450	Drill bit diameter/ size: 49.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH9.0x250	Drill bit diameter/ size: 9mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH35.5x450	Drill bit diameter/ size: 35.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH7.0x250	Drill bit diameter/ size: 7mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH15.0x300	Drill bit diameter/ size: 15mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH22.0x300	Drill bit diameter/ size: 22mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH7.5x250	Drill bit diameter/ size: 7.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH50.0x450	Drill bit diameter/ size: 50mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH9.5x250	Drill bit diameter/ size: 9.5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH45.5x450	Drill bit diameter/ size: 45.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH46.0x450	Drill bit diameter/ size: 46mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH48.5x450	Drill bit diameter/ size: 48.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH34.0x450	Drill bit diameter/ size: 34mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH33.5x450	Drill bit diameter/ size: 33.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH38.0x450	Drill bit diameter/ size: 38mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH38.5x450	Drill bit diameter/ size: 38.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH43.0x450	Drill bit diameter/ size: 43mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH46.5x450	Drill bit diameter/ size: 46.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH39.5x450	Drill bit diameter/ size: 39.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH5.0x250	Drill bit diameter/ size: 5mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH16.0x250	Drill bit diameter/ size: 16mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH17.0x250	Drill bit diameter/ size: 17mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH20.5x300	Drill bit diameter/ size: 20.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH26.0x400	Drill bit diameter/ size: 26mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH15.0x250	Drill bit diameter/ size: 15mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH16.5x300	Drill bit diameter/ size: 16.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH28.5x400	Drill bit diameter/ size: 28.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH31.5x400	Drill bit diameter/ size: 31.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH44.0x450	Drill bit diameter/ size: 44mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH37.5x450	Drill bit diameter/ size: 37.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH27.0x400	Drill bit diameter/ size: 27mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH28.0x400	Drill bit diameter/ size: 28mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH29.0x400	Drill bit diameter/ size: 29mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH19.5x300	Drill bit diameter/ size: 19.5mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH20.0x300	Drill bit diameter/ size: 20mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH31.0x400	Drill bit diameter/ size: 31mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH48.0x450	Drill bit diameter/ size: 48mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH8.0x250	Drill bit diameter/ size: 8mm; Full length: 250mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH25.0x400	Drill bit diameter/ size: 25mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH41.5x450	Drill bit diameter/ size: 41.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH45.0x450	Drill bit diameter/ size: 45mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH24.0x400	Drill bit diameter/ size: 24mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH19.0x300	Drill bit diameter/ size: 19mm; Full length: 300mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH30.5x400	Drill bit diameter/ size: 30.5mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH43.5x450	Drill bit diameter/ size: 43.5mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH32.0x400	Drill bit diameter/ size: 32mm; Full length: 400mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH42.0x450	Drill bit diameter/ size: 42mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check
GTDOH47.0x450	Drill bit diameter/ size: 47mm; Full length: 450mm; Bit style: Spiral flute; Is best used on: 30...40 HRC, S45C, S50C, SCM NAK, SS400; Good for using on: AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy	Liên hệ	Check

Type	Metal drill bits
System of measurement	Metric
Set/Individual	Individual
Drill bit diameter/ size	5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, 13.5mm, 14mm, 14.5mm, 15mm, 15.5mm, 16mm, 16.5mm, 17mm, 17.5mm, 18mm, 18.5mm, 19mm, 19.5mm, 20mm, 20.5mm, 21mm, 21.5mm, 22mm, 22.5mm, 23mm, 23.5mm, 24mm, 24.5mm, 25mm, 25.5mm, 26mm, 26.5mm, 27mm, 27.5mm, 28mm, 28.5mm, 29mm, 29.5mm, 30mm, 30.5mm, 31mm, 31.5mm, 32mm, 32.5mm, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm, 37mm, 37.5mm, 38mm, 38.5mm, 39mm, 39.5mm, 40mm, 40.5mm, 41mm, 41.5mm, 42mm, 42.5mm, 43mm, 43.5mm, 44mm, 44.5mm, 45mm, 45.5mm, 46mm, 46.5mm, 47mm, 47.5mm, 48mm, 48.5mm, 49mm, 49.5mm, 50mm
Material	Cobalt high speed steels (HSS-Co)
Coating	Titanium nitride coating (G)
Bit style	Spiral flute
Point style	Standard
Point angle	118°
Groove length	150mm, 200mm, 270mm, 280mm
Shank type	Mose taper
Full length	250mm, 300mm, 400mm, 450mm
Flute direction	Clockwise (right-handed)
Twist angle	29...34°
Is best used on	30...40 HRC, S45C, S50C, SCM NAK, SS400
Good for using on	AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420, Ti / Ni Alloy
Not use on	40...50 HRC, 50...65 HRC
Features	Oil hole
Overall diameter	5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9mm, 9.5mm, 10.0mm, 10.5mm, 11.0mm, 11.5mm, 12.0mm, 12.5mm, 13.0mm, 13.5mm, 14.0mm, 14.5mm, 15.0mm, 15.5mm, 16.0mm, 16.5mm, 17.0mm, 17.5mm, 18.0mm, 18.5mm, 19.0mm, 19.5mm, 20.0mm, 20.5mm, 21.0mm, 21.5mm, 22mm, 22.5mm, 22.3mm, 23.5mm, 24mm, 24.5mm, 25mm, 25.5mm, 26mm, 26.5mm, 27mm, 27.5mm, 28mm, 28.5mm, 29mm, 29.5mm, 30mm, 30.5mm, 31mm, 31.5mm, 32mm, 32.5mm, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm, 37mm, 37.5mm, 38mm, 38.5mm, 39mm, 39.5mm, 40mm, 40.5mm, 41mm, 41.5mm, 42mm, 42.5mm, 43mm, 43.5mm, 44mm, 44.5mm, 45mm, 45.5mm, 46mm, 46.5mm, 47mm, 47.5mm, 48mm, 48.5mm, 49mm, 49.5mm, 50mm
Overall length	250mm, 300mm, 400mm, 450mm

G taper shank drills with oil-hole NACHI GTDOH series

Series: G taper shank drills with oil-hole NACHI GTDOH series

Features of G taper shank drills with oil-hole NACHI GTDOH series

General specifications of G taper shank drills with oil-hole NACHI GTDOH series

Document of G taper shank drills with oil-hole NACHI GTDOH series

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