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

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US $5-100 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
3500000 Piece/Pieces per Month
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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
Delivery 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.