M3 Hex Screw Kit, Black Hex Spacer Screw Standoff Assortment Alloy Steel Flat Head Hex Screws Bolts M3*4/6/8/10/12 720pcs

【EXCELLENT MATERIAL】 M3 hex head screw made of high quality alloy steel material, good corrosion resistance and never rust, durable to use. 【HIGH QUALITY】 M3 screw after high strength, high temperature forging treatment to improve the strength of the screw. 【PERFORMANCE】 Well made thread, compact and solid structure, good power and load, high anti-slip coefficient. Use this fastening with the hex wrench, can hold the mechanical parts firmly in place. 【PRACTICAL】 Well made thread, compact and solid structure, good power and load, high anti-slip coefficient. Equipped with a plastic box, you can classify the screws in an organized way, more convenient to carry and take out. 【APPLICATION】 Widely used in the home and office industry, furniture and machinery industry.