G micro long drills NACHI GCOSDML series 

Type

Metal drill bits

System of measurement

Metric

Set/Individual

Individual

Drill bit diameter/ size

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

Material

Cobalt high speed steels (HSS-Co)

Coating

Titanium nitride coating (G)

Bit style

Spiral flute

Point style

Four facet

Point angle

118°

Groove length

8mm, 9mm, 10mm, 12mm, 15mm, 18mm

Shank type

Round (Straight shank)

Shank diameter

1mm, 1.5mm, 2mm

Shank head dimension

1mm, 1.5mm, 2mm

Full length

25mm, 30mm, 35mm

Flute direction

Counterclockwise (left-handed)

Twist angle

24...31°

Is best used on

S45C, S50C, SCM NAK, SS400

Good for using on

30...40 HRC, AC, ADC, CU, FC, FCD, SUS304, SUS316, SUS420

Not use on

40...50 HRC, 50...65 HRC

Not recommended

Ti / Ni Alloy

Overall diameter

1mm, 1.5mm, 2mm

Overall length

25mm, 30mm, 35mm