Thread size:M3-M36mm Length:3-300mm Material:SUS304,SUS316,carbon steel 1022A Butterfly Screw Thread size:M3-M36mm Length:3-300mm Material:SUS304,SUS316,carbon steel 1022AButterfly ScrewThread size:M3-M36mm Length:3-300mmMaterial:SUS304,SUS316,carbon steel 1022AScrew head styles : flat head,pan head,oval head,round head,turss head,button head,PF head,pan washer headScrew drivers:phillips, slotted ...