Straight shank twist drill

“1. Use 9341 high-speed steel, strong and sharp
2 High hardness, not afraid of wear and corrosion, long service life
3 Drill bit blade has back angle, sharp and fast drilling
4. Quenching process is ingeniously polished, not easy to bend”
Specifications Straight handle single-head twist drill 6.0
Blade length 12-100
Total length 13.8
Material High-speed steel