Metal drill bit HSS-G 7.0х69х109mm GEPARD

Characteristics:

Specifications

Purpose

for drilling holes in structural carbon and alloy steels, non-ferrous metals, cast iron, hard plastic. Spiral drill bit is made of high quality high-speed steel with an already ground profile. Chip output is easier, temperature of heating and run-out of drill in a chuck is less, durability of cutting part is higher. The holes have a high accuracy.

Cross cutting edge sharpening allows drilling to be started without pre-drilling with a center drill or core drilling; Diameter, mm

7.0

Working length, mm

69; Overall length, mm

Steel grade

M2 (matching P6M5); Marking

Standard

DIN 338

Shank type

cylindrical; Shank diameter, mm

Angle of sharpening, degree

135 with undercutting of cross edge; Type of drill surface treatment