Expédié Aujourd’hui Drill bits with countersink for screw joints

Description

D：4.2—–L：87—–Rotation：DROITE—–S：9—–D3：10.6—–D2：7.6
Used for drilling blind holes in soft and hardwood.
TECHNICAL DETAILS :
– Super strength steel.-SP steel.
– 1 SP precision ground cutting edges (Z2).
– 1 spiral flutes.