Made from high quality stainless steel, this 8-piece drill bushing set provides excellent corrosion resistance and abrasion durability and ensures long lasting performance throughout your drilling application With 3 ~ 10 mm inner diameter and M14x1.5 coarse threads, these bushings provide a secure grip and stability during high-torque operation and minimize slippage and tool wear These bushings are perfect for professional mechanics and enthusiasts looking for reliable drilling accessories and provide precise alignment for metalworking, woodworking, and automotive projects Optimizes workshop efficiency when creating custom jigs and repairing machines. The knurled non-slip surface allows you to handle it with confidence in oily and vibrating environments Designed with punch jig compatibility in mind, this versatile set reduces setup time while maintaining drilling accuracy across multiple thickness and hardness levels, Manufacturer: Vdaxvme