860Pcs M2-M5 Metric Screws, 10.9 Alloy Steel Hex Bolts & Nuts Kit

860Pcs M2-M5 Metric Screws, 10.9 Alloy Steel Hex Bolts & Nuts Kit

• 【Best 10.9 Grade Alloy Steel】-- LuKaiSen Metric bolts and nuts assortment is made of high-quality grade 10.9 alloy steel with superior oxidation resistance for long-term use. In addition, our screw and nut set feature high hardness, a smooth, burr-free surface, durability, environmental protection, and good corrosion resistance in harsh environments such as high temperatures, cold weather, and high humidity areas. Therefore you can use our products in your daily life with confidence.
• 【Perfect Combination Kit】--- LuKaiSen Screws Nuts and Washers Assortment comes in a full range of specifications, consisting of 860 screws, nuts and washers in five sizes: M2, M3, M4 and M5. Each size is available in 4 different lengths, 8mm, 10mm, 16mm and 20mm, and each size is matched with the corresponding nut, washer and lock washer. Therefore, you only need to buy one set to meet your various needs in life.
• 【Thickened & Convenient Box】--- We want our customers to receive perfect products, so we have upgraded and reinforced the box. No product mix-ups as each size and grid of the product is matched 1:1 in the sturdy storage box.
• 【Widely Applications】--- Our machine screw assortment kit with lots of different sizes is widely used for 3D printers, computers, instruments, electronic products, household appliances, lamps, cabinets and bicycle repair.
• 【100% Satisfied Service】--- We have a 1-year quality problems package replacement, lifetime warranty, if you are not completely satisfied, please feel free to contact us, we will give you 100% refund within 30 days of purchase. No questions asked !!!