M3-M6 Allen Hex Socket Flat Countersunk Self Tapping Screws Nickel plated/ Black
Flat Countersunk Head Self Tapping Screws A2 Stainless Steel Tapperswood Screws. Size: M3 M3.5 M4 M5 M6. Sharp Threads: The thread is very sharp and not easy to deform and slip during the rolling process.