This computer screw assortment kit gives you 420 black zinc plated carbon steel fasteners in 10 common PC hardware types — flat head, pan head and truss head screws, hex standoffs, thumb screws and flat washers — sorted into a 10-compartment clear case. Threads are clean and well cut, so they start easily and hold firm. One kit covers PC case screws and motherboard standoff screws for motherboard installation, case assembly, cooling fan mounting, HDD and SSD fitting, power supply mounting and expansion card fixing. Box 125 × 64 × 20 mm, 350 g. In stock; OEM/ODM, custom label, logo and retail packaging available.

This flat head self tapping screws set gives you 400 304 stainless steel self tapping screws in 9 popular metric sizes — M3, M3.5 and M4, three lengths each — with a countersunk self tapping screw assortment sorted into a 9-compartment clear case. The Phillips drive resists slipping, the sharp point bites straight into wood and plastic, and the deep thread holds firm; the countersunk flat head sits flush for a clean finish. 304 stainless steel resists rust indoors and out. Use them for furniture assembly, cabinet hinges, plastic parts and home repairs. In stock; OEM packaging, box, label and in-box assortment customizable.

400-piece black self tapping screws set — 9 metric sizes M3 to M5 (10-25 mm) in black zinc-plated carbon steel. These washer head self tapping screws have an integrated washer head and Phillips drive, sorted in a 9-compartment case; the coarse thread and sharp gimlet point cut their own threads in wood, plastic and thin sheet metal, usually without a pilot hole. Use this self tapping screw kit for automotive trim, light-gauge panels and enclosures, plastic housings and covers, and everyday DIY. In stock; custom label, packaging, box and in-box assortment available.

300 piece cone point set screw kit in 304 stainless steel — 10 metric sizes M3 to M8 (50/50/40/40/30/30/20/20/10/10 pcs) plus 5 hex keys in a 10-compartment case. The sharp cone point bites into the shaft for the strongest vibration-resistant grip; the headless, fully threaded grub screw body sets flush below the surface; the internal hex socket takes high torque without cam-out. Made to DIN 914 / ISO 4027. Use these stainless steel set screws on shaft collars, pulleys, gears, handles, knobs, 3D printers and small machinery. In stock; OEM private label, custom packaging, box, label and in-box assortment customizable.

This e clip assortment kit delivers 200 e clips in ten common sizes — 1.5 mm to 10 mm, 20 pieces each — sorted in a clear 10-compartment case with a size chart on the lid. Made of 304 stainless steel with a natural silver finish, these external retaining rings resist corrosion indoors and out, have smooth snag-free edges, and snap into machined shaft grooves with a three-prong E profile to lock bearings, gears, pulleys and linkages in place. Ideal for automotive linkages, small motors, appliance and power-tool repair, machinery and RC builds. In stock; OEM packaging — custom label and barcode, lid logo, color card and bulk pricing — available.

This 195 pcs thumb screw assortment kit covers 12 popular metric sizes — M4 M5 M6 knurled thumb screws in 12, 16, 20 and 25 mm, 65 pieces per thread size — sorted in a clear 12-compartment case with size guide. Black knurled plastic knobs on white zinc-plated iron studs: a non-slip grip for comfortable hand tightening, plus clean metric threading that installs smoothly and holds firmly. Tighten, loosen and adjust by hand — a practical set of adjustable hand knob screws with storage case for furniture leveling feet, equipment and fixtures, camera and 3D-printer rigs, enclosures and DIY. In stock; OEM/ODM packaging, box, label and in-box assortment customizable. Check size and length before installation.

This cotter pin assortment kit keeps 175 stainless steel cotter pins on hand in five popular sizes — 1x16, 1.5x20, 2x25, 3x30 and 4x40 mm, 35 pieces each — in a clear 5-compartment case with size guide. 304 stainless steel: rust-proof for indoor and outdoor use, smooth and strong, with flexible prongs. Insert through a castle nut or holed shaft and bend the prongs apart to lock bolts, pins and axles securely. A practical cotter pin kit for automotive, trailers, farm equipment, machinery and DIY repair. In stock; OEM/ODM packaging, box, label and in-box assortment customizable.

This hose clamp assortment kit gives you 150 spring hose clamps in five popular sizes — 6, 7, 8, 9 and 10 mm, 30 pieces each — plus a clear compartment storage case. Carbon steel with yellow zinc plating, constant-tension double-wound design: squeeze the ears with pliers, slide over the hose and release for a 360° leak-resistant seal with no screw tightening. Ideal as a spring hose clamp kit for fuel lines, vacuum hoses, air and water lines on cars, motorcycles, small engines and DIY projects. Low-pressure use only. In stock; OEM/ODM packaging, box, label and in-box assortment customizable.

150 pcs stainless steel thread insert kit — a metric thread repair insert assortment M3 M4 M5 M6 M8 covering 10 specifications (1.5D & 3D) in a 10-compartment storage case. Diamond-shaped stainless wire with drive tang for controlled installation repairs stripped threads while keeping the original bolt size. This tanged wire thread insert set with storage case for stripped thread repair suits aluminum, magnesium, cast iron, automotive, machinery and DIY. Inserts only — STI tap and installation tools required. In stock; OEM/ODM label, box, packaging and in-box assortment customizable.

120 pcs screw eye assortment kit — featuring carbon steel screw eye hooks zinc plated and black finish in 6 assorted sizes (#14/#12/#10/#8/#6/#2, 120 pieces), organized in clear compartment cases. Sharp points start fast, deep threads grip wood firmly, smooth closed loops connect cleanly. This screw eye assortment box 6 sizes for picture frames and wood crafts also suits signs, chains & cords and other light-duty hanging. In stock; OEM/ODM packaging, box, label and in-box assortment customizable.

M6 torx wafer head (large flat head) self tapping screws in 3 practical lengths — M6×100mm (20 pcs), M6×120mm (20 pcs), M6×140mm (15 pcs) — a complete torx self tapping wood screw assortment with case, plus 1 matching torx driver bit. White zinc plated carbon steel: star drive prevents cam-out, wide washer head stops pull-through, coarse thread grips wood firmly, self-tapping point starts fast. Ideal for timber framing, fences, sheds, workbenches and DIY wood projects. Available from stock; OEM/ODM customization on packaging, box, label and in-box screw combination welcome.

Semi-hollow rivets (also known as semi-tubular rivets) are lightweight fasteners with a solid head and hollow tail, balancing the strength of solid rivets and the easy installation of hollow rivets. Manufactured by cold heading, they are available in stainless steel, carbon steel, aluminum and copper, with sizes M1.2–M10 compliant with GB/T 873/874/875 standards. The hollow tail deforms easily during riveting for tight filling, ensuring secure fastening with low installation force. Ideal for thin sheets and soft materials in luggage, electronics, furniture and automotive interiors, they support custom head types, dimensions and finishes (zinc plating, anodizing) for diverse applications.