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Step twist drill bit High speed steel
USD $1 - $10
/ Piece
100 Pieces(Min.Order)
- 10000 Piece / Pieces per Month
- Shanghai
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Product Details
| Place of Origin | Jiangsu, China | Brand Name | STC | |
| Model Number | L30 |
Product Description
Step twist drill bits,straight shank.
- Titanium nitride coating dramatically extends bit life
- Unique double-fluted design for balanced cuts and cooler operation
- All shanks are 1" in length
- Self-starting point eliminates starter holes or punches.
| Drill Diameter Sizes (inches) | Number of Hole Sizes | Size Increments (inches) | Step Thickness (inches) | Shank Diameter (inches) |
| 1/8 to 1/2 | 13 | 1/32 | 1/8 | 1/4 |
| 1/4 to 3/4 | 9 | 1/16 | 1/8 | 3/8 |
| 1/4 to 7/8 | 11 | 1/16 | 1/16 | 3/8 |
| 1/2 to 1 | 8 | 1/16 | 1/8 | 3/8 |
| 1/4 to 1-1/8 | 16 | 1/16 | 1/16 | 3/8 |
| 3/16 to 1/2 | 6 | 1/16 | 3/8 | 1/4 |
| 1/4 to 1-3/8 | 10 | 1/32 | 1/8 | 3/8 |
Contact Us
- Zhenjiang Scharp Machinery Tools Co., Ltd.
- Contact namefrank pan Chat Now
- Phone0086-511-86095107
- AddressNo.168-27,dingmaoqiao road, Zhenjiang, Jiangsu
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