M4 SHOULDER BOLT SCREWS. M4 SHOULDER HEAD ALLEN KEY SOCKET HEAD BOLTS WITH M3 THREAD AND 5MM DIA UNTHREADED PART. THREAD SIZE: M4. YOUR CHOSEN M4 SCREW LENGTH AND QUANTITY. THESE SCREWS CAN BE USED IN CNC, 3D PRINTER AND VARIETY OF OTHER APPLICATION WHERE LOW SCREW HEAD IS REQUIRED.
eBay