Mũi khoan NACHI COSDML series 

Loại

Metal drill bits

Đơn vị đo

Metric

Bộ/cái

Individual

Đường kính mũi

0.1mm, 0.11mm, 0.12mm, 0.13mm, 0.14mm, 0.15mm, 0.16mm, 0.17mm, 0.18mm, 0.19mm, 0.2mm, 0.21mm, 0.22mm, 0.23mm, 0.24mm, 0.25mm, 0.26mm, 0.27mm, 0.28mm, 0.29mm, 0.3mm, 0.31mm, 0.32mm, 0.33mm, 0.34mm, 0.35mm, 0.36mm, 0.37mm, 0.38mm, 0.39mm, 0.4mm, 0.41mm, 0.42mm, 0.43mm, 0.44mm, 0.45mm, 0.46mm, 0.47mm, 0.48mm, 0.49mm, 0.5mm, 0.51mm, 0.52mm, 0.53mm, 0.54mm, 0.55mm, 0.56mm, 0.57mm, 0.58mm, 0.59mm, 0.6mm, 0.61mm, 0.62mm, 0.63mm, 0.64mm, 0.65mm, 0.66mm, 0.67mm, 0.68mm, 0.69mm, 0.7mm, 0.71mm, 0.72mm, 0.73mm, 0.74mm, 0.75mm, 0.76mm, 0.77mm, 0.78mm, 0.79mm, 0.8mm, 0.81mm, 0.82mm, 0.83mm, 0.84mm, 0.85mm, 0.86mm, 0.87mm, 0.88mm, 0.89mm, 0.9mm, 0.91mm, 0.92mm, 0.93mm, 0.94mm, 0.95mm, 0.96mm, 0.97mm, 0.98mm, 0.99mm, 1mm, 1.01mm, 1.02mm, 1.03mm, 1.04mm, 1.05mm, 1.06mm, 1.07mm, 1.08mm, 1.09mm, 1.1mm, 1.11mm, 1.12mm, 1.13mm, 1.14mm, 1.15mm, 1.16mm, 1.17mm, 1.18mm, 1.19mm, 1.2mm, 1.21mm, 1.22mm, 1.23mm, 1.24mm, 1.25mm, 1.26mm, 1.27mm, 1.28mm, 1.29mm, 1.3mm, 1.31mm, 1.32mm, 1.33mm, 1.34mm, 1.35mm, 1.36mm, 1.37mm, 1.38mm, 1.39mm, 1.4mm, 1.41mm, 1.42mm, 1.43mm, 1.44mm, 1.45mm, 1.46mm, 1.47mm, 1.48mm, 1.49mm, 1.5mm, 1.51mm, 1.52mm, 1.53mm, 1.54mm, 1.55mm, 1.56mm, 1.57mm, 1.58mm, 1.59mm, 1.6mm, 1.61mm, 1.62mm, 1.63mm, 1.64mm, 1.65mm, 1.66mm, 1.67mm, 1.68mm, 1.69mm, 1.7mm, 1.71mm, 1.72mm, 1.73mm, 1.74mm, 1.75mm, 1.76mm, 1.77mm, 1.78mm, 1.79mm, 1.8mm, 1.81mm, 1.82mm, 1.83mm, 1.84mm, 1.85mm, 1.86mm, 1.87mm, 1.88mm, 1.89mm, 1.9mm, 1.91mm, 1.92mm, 1.93mm, 1.94mm, 1.95mm, 1.96mm, 1.97mm, 1.98mm, 1.99mm

Chất liệu mũi khoan

Cobalt high speed steels (HSS-Co)

Kiểu mũi khoan

Spiral flute

Kiểu đầu khoan

Standard, Split

Góc vát của mũi (θ)

118°

Chiều dài rãnh xoắn

2mm, 2.5mm, 3mm, 4mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 15mm, 18mm

Loại chuôi

Round (Straight shank)

Đường kính chuôi

1mm, 1.5mm, 2mm

Tổng chiều dài

18.6mm, 21mm, 25mm, 30mm, 35mm, 33mm

Chiều rãnh xoắn

Clockwise (right-handed)

Góc xoắn

22...31°

Vật liệu khoan phù hợp nhất

30...40 HRC, S45C, S50C, SCM NAK, SS400

Vật liệu khoan phù hợp

30...40 HRC, AC, ADC, CU, FC, FCD, S45C, S50C, SCM NAK, SS400, SUS304, SUS316, SUS420

Vật liệu không khoan được

50...65 HRC

Vật liệu không nên khoan

40...50 HRC, Ti / Ni Alloy

Đường kính tổng thể

1mm, 1.5mm, 52mm, 2mm, 55mm

Chiều dài tổng thể

18.6mm, 21mm, 25mm, 30mm, 35mm, 33mm