Twist drill bit HSS 4-20 MM 644.00.04

Step drill bit 4-20 mm:

HSS

grooved spiral

9 levels

3 flat shanks to prevent slipping in the chuck

Cross stitch + edge breaker

For unalloyed steels up to 700 N/mm²

The advantage of the HSS step drill is that only one drill can cover multiple sizes

Cutting geometry allows drilling and deburring in one operation

in a box of roses

Fig. Similar
TYPE: BIT WITH STEPS
INTENDED USE: METAL
GAME: YES
DIAMETER: 10.0MM
MATERIAL: HSS
CENTRAL FIXATION: ROUND