200pcs Black Finish Grub Set Screw M3 Metric Metric Set Screw Socket Cup Point Screw Door Handles

Label:Yes - FUNCTIONAL CHARACTERISTIC: These fully-threaded headless fasteners hold one component against another part without nuts, widely applied for fixing pulleys or gears onto shafts via hex socket tool use - ASSORTED SIZE SELECTION: Contains eight frequently used specifications, supporting different project assembly demands - HEX SOCKET DRIVE DESIGN: Multi purpose hex socket set screws can be mounted conveniently by hex key tools - SUFFICIENT QUANTITY SUPPLY: Total 200 pieces are included, cutting down frequent trips to hardware retail outlets - MATERIAL PROPERTIES: These set screws adopt 12.9 grade carbon steel, featuring high hardness and stable working performance - SURFACE FINISH TREATMENT: Oxidation surface treatment forms outer layer to slow down metal wearing

Specifications: Material: 12.9 grade carbon steel Surface Finishing: Oxidation Color: Black Package Weight:70g Size:3mm(0.12in), 4mm(0.16in), 5mm(0.20in), 6mm(0.24in), 8mm(0.31in), 10mm(0.39in), 12mm(0.47in), 14mm(0.55in) Package Includes(200 x Screws): M3x3mm 25pcs M3x4mm 25pcs M3x5mm 25pcs M3x6mm 25pcs M3x8mm 25pcs M3x10mm 25pcs M3x12mm 25pcs M3x14mm 25pcs