set2: 50 Sets x Hex Socket Cap Screws + 50 x Nylon Lock Nuts Thread Size:(Female)M2 Product Name:Nylon Lock Nuts Drive Type:Hex Socket Head Style:Socket Cap Head Material:304 Stainless Steel/Zinc Plated Product Name:Hex Socket Cap Screws Thread Size:M2x10mm+M2/0.08x0.4 inch+M2 Hex nut(D*L) Hex head, female threaded inside, metal material, anti-loose hex nut. Used with a machine or cap screw for mechanically joining materials together. Used widely for matching screws or bolts. Made of metal material, full threaded rod. The most economical and most common form of Threaded Rod. Typically used by the plumbing and contracting trades. Used in maintenance departments in various applications. Height:3mm/0.12 inch Width Across Flats:4mm/0.16 inch Width Across Corners:4.3mm/0.17 inch Designed with 0.4mm pitch, M2x10mm hex socket head cap and 304 stainless steel material. Fixing component, industrial and construction fasteners. Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry. Fastener Type:Socket Screw Main Color:Silver Thread Pitch:0.4mm/0.02 inch Total Length:12mm/0.47 inch Head Size:4x2mm/0.16x0.08 inch(D*H) Hex Nut Size:4x2mm/0.16x0.08 inch(W*T) Hex Socket Size:2mm/0.08 inch Package Content: 50 Sets x Hex Socket Cap Screws 50 x Nylon Lock Nuts 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.