3670pcs Metric Screw,33 sizes.2000pcs Hex Socket Head M2 M3 M4 M5 Screw.1670pcs Hex Button Head M2 M3 M4 M5 Screw.Screws of every size are provided with wrenches. The screws are put into the box separately. Enough quantity to meet daily needs.
Machine Screw Assortment Kit is made of 12.9 Alloy Steel Hex Socket Head and 10.9 Alloy Steel Hex Button Head.High strength. The screws are plated with black zinc. No corrosion and no oil surface. Anti-rust and anti-corrosion.
Standard metric screw, precise thread, precise cutting and no burr. Screws and nuts are closely matched.
Metric Bolts and Nuts Kit can be widely used in various precision machinery, Cars, boats,electronic products, household appliances, communication products, toys and so on.
Packaging upgrade. Packaging upgrade. Our screw sorting kit is packed in portable handheld box.Our black boxes are stronger, better in quality and longer in life. Can be reused. Detailed instructions are attached to the box.