This socket head cap srcew are 100% genuine stainless steel 304 which offers high level of chemical and corrosion resistance
Thread diameter-with full thread length (M4x6mm ,M4x8mm ,M4x10mm ,M4x12mm ,M4x16mm ,M4x20mm ,M4x25mm ,M4x30mm ,M4x35mM ,4x40mm ), drive type -allen socket , Head style - allen head screw bollt nuts, flat washer, different length can meet your different needs . This assortment carries a varirty of nut bolt of a single thread size -for different types of needs product meterial- made of high quality 100 grade stainless steel , strong rust resistance , solid and not easy to break .
Package Included : 25 screw , 25 nut and 25 washer(Total 75 pcs set )
key size : 3mm
