|
HSS Step Drill
Step drills are made of solid high speed steel or M2 steel, and millded by turning machine. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.
Product Description
HSS step drill bit.
1. Spiral grooved;
2. Surface without discoloration
3. Right hand cutting;
4. Point thinning according to DIN1412 C;
5.118 point angle;
6. High performance steel.
7.90 point stepped angle;
8. Absolute smooth operation;
9. High cutting achievement;
10. Cutting edge has thinning point;
11. Tin-coated finish;
The cone simplifies the retracting through bored sheet metals;
Higherfeed especially in NE metals possible due to the slim cutting edge.
