High-quality chromium-vanadium alloyed drill bits with brad point, two shoulder and scope cutting (Form B).
Also features: ground shaft & two polished shoulder blades.
Blank surface polished, grooves, black.
Similar to DIN 7487, hardened and polished with centric and two spurs (Form B).
High-quality chromium-vanadium alloyed drill bits with brad point, two shoulder and scope cutting (Form B).
Similar to DIN 7487, hardened and polished with centric and two spurs (Form B).
At Drill diameters over 11 mm, the shaft diameter of 9.
5 mm is reduced.
All diameter 11 mm are delivered with a 9,5Mm abgedrehtem shaft.
This text is machine translated.