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80-piece HSS-Co drill bit set with 5% cobalt, made of M35 steel. For precise drilling in stainless and hard-to-machine steels. Sizes: 3–6 mm (10×), 8 and 10 mm (5×). Ground, 135° split point, DIN 338 compliant. Read more.
This 80-piece HSS-Co drill set from Labor is designed for precise drilling in hard-to-machine materials such as stainless steel, high-alloy steels, and cast iron. The drills are made from M35 steel with 5% cobalt, offering high heat resistance and durability.
The fully ground construction ensures sharp edges and tight tolerances. The 135° split point makes the bits self-centering, reducing the need for pilot holes and minimizing vibration. For best performance and extended life, use with cutting oil.
Features:
Material: HSS-Co (M35) with 5% cobalt
Standard: DIN 338
Finish: fully ground
Point angle: 135° split point
Right-hand cutting
Self-centering
Recommended use with cutting oil
Contents:
10× each: 3.0 to 6.0 mm (in 0.5 mm steps)
5× each: 8.0 mm and 10.0 mm
Supplied in a strong metal case
