42PCS M4~M6 Expansion Bolt Plasterboard Screw Kit High Performance For Industry
Thread Size: M4 ~ M6. 12 x (M4 x 32 ) Bolt. 10 x (M4 x 60 ) Bolt. 4 x (M6 x 52 ) Bolt. 4 x (M6 x 65 ) Bolt. Item Type: Expansion bolt + expansion screw. Combination head on screw has the ability to receive slot and cross-slot screwdriver.