DescriptionSecuFast Hex Pin M4 x 20 FH A2 Features SecuFast Hex Pin M4 x 20 FH A2 Type of screw Machine screw Head type Flathead Diameter 4 Lenght 20 Material SS A2 Bit 2,5mm Related products SecuFast Hex Pin Bit 2,5mm SecuFast Hex Pin Bit 2,5mm SecuFast Hex Pin Bit 2,5mm SecuFast Hex Pin Bit 2,5mm SecuFast Hex Pin L-Key 2,5mm Yellow zinc SecuFast Hex Pin L-Key 2,5mm yellow zink