ZZYWWP 15 pcs carbon steel thread knurled thumbscrews, hand screws, handle knob thumbscrews
Threads are clear, smooth and burr-free, with high quality workmanship, fastening and durability, and not easy to dislodge the teeth.
The knurled male clamping knob is made of high quality carbon steel with good hardness, strength, corrosion resistance and wear resistance.
It is a long-lasting fastening accessory that can be reused for most different applications.
Thread M4*Length 10mm, Pitch: 0.7, Head Warp: 13mm
Package: 15 pcs M4 x 10mm thread knurled thumbscrews.