6542 High-speed Steel 11mm Twist Drill Bit 250mm Length Black Oxide L66xD40 19mm To 19mm Features: 12 pins

Features: 12 pins

Damping Element - As the damping element of welding machines and other equipment

Each PMMA round sheet is covered with protective films on both sides to prevent any scratches

x Candle Like Socket Cover

6542 High-speed Steel 11mm Twist Drill Bit 250mm Length Black Oxide L66xD40 19mm To 19mm Features: 12 pins1. It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability. 2. The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs. 3. The twist