5pcs M3 X 12mm Black Thumb Screw Knurled Head Carbon Steel Hand Tighten Loosen Nut Lock Clamp Threaded Knurling Bolt Fasten Tightening Tool

230pcs M3 M4 M5 M6 M8 M10 M12 Zinc Plated Carbon Steel Blind Flat Head Threaded Rivet Nut Rivet Insert Nutsert Knurled Nuts Kits US $13.1 US $39.2 -66 Specification: Material: Zinc plated carbon steel Size(D*L, diameter*length; Optional): M3*5 D=3mm L=5mm M3*6 D=3mm L=6mm M3*8 D=3mm L=8mm M3*10 D=3mm L=10mm M3*12 D=3mm L=12mm M3*14 D=3mm L=14mm M3*16 D=3mm L=16mm M3*18 D=3mm L=18mm M3*20 D=3mm L=20mm M3*25 D=3mm L=25mm M3*30 D=3mm L=30mm Quantity: 5pcs Weight: 16g~22g / 0., 6oz~0., 8oz (approx., ) Package list: 5 * Screws HIGH-QUALITY MATERIALS: These flat knurled head bolts are made of galvanized carbon steel for high hardness, sturdiness and durability. Thumb screws are designed to be tightened and loosened by hand,easier to drive manually. Zinc Plated Carbon Steel Screws 5pcs M3 X 12mm Black Thumb Screw Knurled Head Carbon Steel Hand Tighten Loosen Nut Lock Clamp Threaded Knurling Bolt Fasten Tightening Tool Fully Threaded Thumb Screw M3x30 100 x Steel Alloy 12.9 Hex Socket Pan Head Knurled Cap Screw Bolt M2x20 Black Uxcell M3x6mm Knurled Thumb Screws, Black Steel Flat Head Thumb Screws Zinc Plated Metric Knurled Head Bolts Grip Knobs Hand Tighten Thread Fasteners, 20 Pcs $10.69 MULTI-SIZE OPTIONS: The flat knurled head bolts are available in a variety of sizes and can be selected to suit your needs. 20Pcs M3 Thumb Screw, Zinc Plated Carbon Steel Flat Knurled Head Thumb Screws Fully Threaded Thumb Screw Bolts for Thumb Screws (M3*30 (5pcs)), Weight: 16g~22g / 0., 6oz~0., 8oz (approx. 5pcs M3 X 16mm Black Thumb Screw Knurled Head Carbon Steel EASY TO USE: The thumb screw is designed for manual tightening and loosening, making it easier to drive manually.