3pcs HSS Tin-coated Step Drill Bit set in box

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US $5-100 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
Model Number:
TY7-172-3pcs hss step drill bit set wooden box
Twist Drill Bit
High Speed Steel
Metal Drilling
Item Name:
3pcs hss step drill bit set wooden box
Packaging & Delivery
Packaging Details
1 pc in one PVC bag or blister card to metal box
Lead Time :
45 days

HSS step drill bit.  3pcs hss step drill bit set wooden box


1. point thinning according to DIN1412 C;

2. cutting edge has thinning point;

3. right hand cutting;

4. spiral grooved;

5. 118 point angle;

6. tin-coated finish;

7. 90 point stepped angle;

8. absolute smooth operation;

9. high cutting achievement;

10. surface without discoloration

11. high performance steel.


The cone simplifies the retracting through bored sheet metals;

higherfeed especially in NE metals possible due to the slim cutting edge.