19pcs Fully Ground HSS Cobalt Drill Bits Set

Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Bits are held in a tool called a drill, which rotates them and provides torque and 

axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.

1. Material:HSS4241, 4341, 6542(M2), M35(cobalt 5%), M42(cobalt 8%)

2. Standard: DIN 338 / ANSI  Jobber Length
3. Manufactring: Roll forged& edge polished, Fully ground, Roll forged and Milled.

4. Angle point: 118°or 135 split point

5. Shank type:Straight shank twist drill bits, Reduced shank.

6. Surface finishing: bright finished, black finished, black& bright finished, titanium coated etc.

7. Diameter: 1.0mm to 10mm x 0.5mm

Packing size:36*20*17cm    20sets/ctn

G.W./N.W.: 12/11kgs

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