M3 M4 M5 M6 M10 NYLON PLASTIC HEX BOLT HEAD FULLY THREADED SET
Pitch - 0.5mm M4. M4: Lengths - 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 40mm. Pitch - 0.8mm M6. The nylon plastic hex bolts are made of durable nylon and plastic. These are fully threaded hex head bolts.