6542 High-speed Steel 8mm Twist Drill Bit 300mm Length Black Oxide 3/4" X 1" 17-inch (H*L*W)

17-inch (H*L*W)

Rated Capacity: 4uF

* 2 x Triple Square Bit Sockets

Grits : 1200 Grits

Please refer to the picture and select the right type of bearings before your order (Sealed or Shield on Both or Single side of the bearing)

6542 High-speed Steel 8mm Twist Drill Bit 300mm Length Black Oxide 3/4" X 1" 17-inch (H*L*W)1. 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