Featuring 3-10mm inner diameters and M14x1.5 coarse threads, these bushings provide secure grip and stability during high torques operations, minimizing slippage and tool wear Ideal for professional machinists and enthusiasts seeking reliability drilling accessories, these bushings deliver alignment for metalworking, woodcraft, and automotive projects Optimize workshop efficiency when creating customs fixtures or repairing machinery – the knurled antislip surfaces ensures confident handling even in oily or high vibrations environment Designed with interchangeable compatibility for punches fixtures, this versatile set reduces setup time while maintaining drilling accuracy across multiple thicknesses and hardness levels Crafted from premium stainless steel, this 8piece drill bushing set exceptionals resistance and wear durability, ensuring long last across drilling applications, Manufacturer: FackLOxc