8.5mm Twist Drill Bits High-Speed Steel Extra Long Drill Bit 300mm Length 800 Grit The steel cylinder sleeve is

The steel cylinder sleeve is characterized by high wear resistance

08"(L*W*T)

angular misalignments and shaft end-play by spring action

Tensile Strength: 1100 pounds per square inch

Size: 22x27x1

8.5mm Twist Drill Bits High-Speed Steel Extra Long Drill Bit 300mm Length 800 Grit The steel cylinder sleeve isDescription: 1. Made of high speed steel, with high hardness, heat resistance, wear resistance, durability and long service life. 2. The jobber extended drill is suitable for a wide range of applications, allowing you to access hard to reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient. 3. Split point tip and twist design increases cutting speed while easily self centering to