Set Screws, 200 Pcs Grub Screw Cone Point Hex Socket Stainless Steel for Accuracy Instruments M3/M4/M5/M6/M8

Professional and practical design, compact appearance, easy to carry and use. Good workmanship, exquisite application, durable to use. Smooth appearance with clear threads, even and burr-free. Widely used in various accuracy instruments, measuring instruments and electronic products, etc. There is a box that you can store and carry conveniently