- Suitable as a positioning or guide bushing
- Simplify a standard drilling operation
- Drilling points do not have to be repeatedly measured
- Drills run straight and remain stable
- Consistently good results due to a fixed penetration angle
Description
Material
Special low carbon steel
Version
Hardened to 740 ±80 HV 10 and ground.
Note
From diameter D1 over 15 mm size increases are 0.5 mm.
Drawing reference
style A: hole rounded one end
style B: hole rounded both ends
1) Chamfer for insert
style B: hole rounded both ends
1) Chamfer for insert
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