High Hardness Household Carbon Steel Sliding Barn Door Floor Roller Guide with Bearing Hardware Fittings
- Adopt enlarged chip flute design is conducive to high‑speed operation and accelerate chip removal..
- The center drill is suitable for bench drills, milling machines, and machining centers..
- The 3mm center drill is incisive, wear‑resistant, heat‑resistant, and has a long service life..
- There are 10pcs of this center drill bit, which is convenient and practical for user, easy to use..
- This centering drill bit is made of high‑speed steel with high hardness and hardness..