Lot de 10 Ultimate Drill bits Twist Drill Head Wall Ceramic Glass Punching Hole Working Set 6mm

1. Alloy head materal wth stronger hardness, faible resstance, hgh hardness, mprovng work effcency.

2. Trangular handle desgn makes the clampng more tght and does not slp.

3. U-shaped spral grooves shaped spral smooth and flat, and the drllng smuother.

4. Strong Toughness and wear ressence, peut être installé dans la hand drll,electrc drll,bench drll.

5. Wde Applcaton : provdes smooth and accurate drllng n ceramc tle, glass, brck wall, bois, etc.

Description du produit