The HSS-G steel drill from Heller is the right choice for alloyed and unalloyed steels. It works very precisely and is durable. Dimensional accuracy is guaranteed by the precision ground tip according to DIN 338 RN. Split point and 135° angle enable optimal centering when positioning the drill bit. A high concentricity according to DIN 1414 characterizes this drill bit.

Highly-precise and durable with best finish in metal

Precision ground as per DIN 338 RN for outstanding dimensional accuracy of the drilled hole

Split point grinding and 135° point angle for optimum centering during spot drilling

Excellent concentricity as per DIN 1414