Pull apart to zoom
For rotary drills/drivers
Diameter (D) mm
Working length (L1) mm
Total length (L2) mm
Choose a pack size
Diameter (D) mm 31 options
Working length (L1) mm 18 options
Total length (L2) mm 18 options
Choose a pack size 2 options
Reset selection
Fits tools of most brands
Cylindrical shank compatible with three-jaw drill chucks.
HSS Twist Drill Bit Cobalt provides long-lasting performance when drilling stainless steel
The HSS Twist Drill Bit Cobalt is manufactured to DIN 338. The drill bit is Type N (flute angle) with a 135-degree tip and a diameter tolerance of h8. Active cutting and perfect centring without wandering are achieved by the pointed split-point tip.
This drill bit works with alloyed and non-alloyed steel, stainless steel, cast iron, cast steel and acid- and heat-resistant steels. It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use in drill stands and drill drivers.
Available product options: 31
out of products
Fast and reliable. The service for Bosch Power Tools guarantees your complete satisfaction.
Find the dealer close to you
In order for the page to be displayed optimally, it must be reloaded. Please click the button below to reload the page.