We offer discount for large quantity. We invite you to ! M2 X 20mm Length Hex Head Knurled Bolt Fixing Bolts Nuts Set of 80 PiecesDesigned with 0.4mm pitch, M2x20mm and 304 stainless steel hex screw. Fastening of industrial and construction components, fasteners. Widely used in home and office appliances, communication equipment, ship assembly and other machinery. Head Size: 4x 2mm/0.16 inch x0.08 inch (D x H)Hex Nut Size: 4x1.5mm/0.16 inch x0.06 inch (W x T)Hex Head Size: 2mm/0.08 inch Drive Type: Hex SocketHead Style: Socket Head Material: Stainless Steel Product Name: Screw Allen ScrewThread Size: M2x20mm/0.08 inch x0.8 inch (D x L)Fastener Type: Socket ScrewColor: Tone Silver Thread Pitch: 0.4mm Total Length: 22mm/0.9inch Weight: 13g Package Content: 80 Sets x Allen ScrewOnly 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 error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/