Type: Twist Drill Bit
Material: High Speed Steel
Use: Metal Drilling
Item: Drill Bits Specifications
Materal: HSS Co5%, HSS6542, HSS4341, HSS4241
Manufacturing: Fully Ground, Roll & Forged, Roll & Polished, Milled etc
Standard: DIN standard, ANSI Standard
Surface Treatment:: Black, White, Black & White, Tin-coated, coffee, Black & Gold.
Package: PVC pouch, blister card, clamshell, skin card, plastic box etc.
Hardness: HRC 61 - 66
Sharpening: 118 degree, 135 degree split point etc.
Flute: doule twist flutes
Usege: For Metal
Packaging Details：10/5/1 PCS in one PVC bag, 10 bags in one white box, then put in export carton.
HSS-Co Twist Drill Bits Fully Ground
Industrial grade cobalt high speed steel.
135 degree split point for quick start and no walk application.
Cobalt for much higher hot hardness and abrasion resistance.
Ideal for drilling steel, stainless steel, heal resistant steel, cast steel, sintered metal and super alloy.
Drill Bits Set are available on request.
Metric Size are available (DIN338 Standard):
1.0mm ~ 13.0mm by 0.1mm
Sets are available:
1.5 ~ 6.5mm x 13 PCS set
1.0 ~ 10mm x 19 PCS set
1.0 ~ 13mm x 25 PCS set
Inch Size are available (ANSI B94.11M-1993 Standard):
Fractional Size: 1/16" ~ 1/2"
Letter Size: A ~ Z
Wire Gage Size: 1# ~ 60#
Set are available:
1/16" ~ 1/4" x 13 PCS set
1/16" ~ 3/8" x 21 PCS set
1/16" ~ 1/2" x 29 PCS set
115 PCS set etc.