DescriptionSecuFast Cinstar M3 x 20 BH A2 Features SecuFast Cinstar M3 x 20 BH A2 Type of screw Machine screw Head type Buttonhead Diameter 3 Lenght 20 Material SS A2 Bit #0,5 Related products SecuFast Cinstar Bit M3 SecuFast Cinstar Bit M3