522pcs Hexagon Socket Bolts Carbon Steel Round Head Embedded Full

Material: Metal, high hardness and tensile strength; anti-rust oil coating.Drive type: hexagonal socket; head type: inner hexagonal cover; external surface treatment: black oxidation.Multifunctional and durable storage box: These metric screws use a sturdy plastic storage box. The detachable nesting divider can personally collect fasteners, screws, nails, nuts, bolts, hair accessories, bead storage, fishing tackle and various other small items.Colour:blackMaterial:MetalPackage Contents:30 * M3x8 bolt30 * M3x10 bolt30 * M3x12 bolt30 * M3x16 bolt30 * M3x8 bolt30 * M3x10 bolt30 * M3x12 bolt30 * M3x16 bolt20 * M4x8 bolt20 * M4x12 bolt20 * M4x8 bolt20 * M4x12 bolt20 * Stainless steel hexagonal lock nut M3 (inlaid with nylon)20 * Stainless steel hexagonal lock nut M4 (inlaid with nylon)20 * 304 stainless steel flat washer M320 * 304 stainless steel flat washer M420 * Silicone red O-ring outer 5*1mm20 * galvanized R type split pin 1.5*28mm20 * In-line positioning pin 2*10mm20 * Black manganese steel E type circlip 3.0mm20 * Black zinc plated hexagon socket set screws with flat end DIN913 M3X320 * Black zinc plated hexagon socket set screws with flat end DIN913 M4X41 * Black carbon steel hexagon wrench 1.5 (with tightening M3)1 * Black carbon steel hexagon wrench 2 (with set screw M4)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.