Double-end twist drill
Using 6542 high-speed steel HSS material, after a special process, the overall heat treatment.
The service life can be up to twice that of ordinary double-head drills, and it has the characteristics of accurate positioning, fast cutting, and strong chip removal ability.
The surface is treated with yellowing, more abrasion resistance.
Product Description
| Model | Size | Package/PcS |
|---|---|---|
| F21-0077 | 3.2mm | 10/100 |
| F21-0077 | 4.2mm | 10/100 |
| F21-0077 | 5.2mm | 10/100 |
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