DescriptionSecuFast Tri-Wing M4 x 20 FH A2 Features SecuFast Tri-Wing M4 x 20 FH A2 Type of screw Machine screw Head type Flathead Diameter 4 Lenght 20 Material SS A2 Bit Tri-Wing W4 Related products SecuFast Tri-Wing Bit W4 SecuFast Tri-Wing Bit W4
