【HIGH QUALITY】--- Made of high quality 304 stainless steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using. 【SIZES】--- M3 M4 M5 M6 Hex Socket Head Cap Bolts Screws Nuts Washers. According with standardized metric system. And the average error is less than 0.01mm. The Nuts and flat washers expand the contact area and reduce the pressure in order to protect the screws and parts. Compact and force uniform screw thread is not easy to out of shape and slid in the process of rolling and installation. 【WEAK MAGNETIC】--- The magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 304 steel always show weak magnetic properties. 【PACKAGE】--- All of Screws and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the screws being scattered or lost during use, we specially package for each different type of screws for your convenience and storage. Not only give you the best product, but also the best storage system for them. 【WIDE APPLICATIONS】--- M3 M4 M5 M6 Hex Socket Head Screws Washers and Nuts Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The set is perfect to replace broken and missing screws. When you are mad for the missing bolts, it is a perfect friend for you. The kit has lots of different sizes, which can meet the maximum of requirement for you. 【Specifications:】
- Color: Silver
- Quantity: 520 PCS
- Sizes: M3 M4 M5 M6
- Material: 304 Stainless Steel
- Screw Type: Hex Socket Head Cap Head Screw

【Features:】
1, 304 stainless steel: Stainless steel with superior rust resistant ensure long lasting results，corrosion resistance, anti-aging, good toughness
2, This kit can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.

【Package Included:】
【M3】
M3 * 8------------------------10 PCS
M3 * 12----------------------10 PCS
M3 * 16----------------------10 PCS
M3 * 20----------------------10 PCS
M3 Nuts---------------------50 PCS
M3 Washers----------------50 PCS

【M4】
M4 * 8------------------------10 PCS
M4 * 12----------------------10 PCS
M4 * 16----------------------10 PCS
M4 * 20----------------------10 PCS
M4 Nuts---------------------50 PCS
M4 Washers----------------50 PCS

【M5】
M5 * 8------------------------10 PCS
M5 * 12----------------------10 PCS
M5 * 16----------------------10 PCS
M5 * 20----------------------10 PCS
M5 Nuts---------------------40 PCS
M5 Washers----------------40 PCS

【M6】
M6 * 8------------------------10 PCS
M6 * 12----------------------10 PCS
M6 * 16----------------------10 PCS
M6 * 20----------------------10 PCS
M6 Nuts---------------------40 PCS
M6 Washers----------------40 PCS

Hex Wrenches--------4 PCS
Tweezers----------------1 PCS

【Total: 520 PCS, M3 M4 M5 M6 Stainless Steel Hex Socket Head Cap Bolts Screws Nuts Washers】

【Note: Small parts, keep away from children under 6 years old.】