1713PCS Hex Bolt Set, 3PCS Drill Allen Key Bit Set 1.5mm 2.5mm 3mm, M2 M3 M4 Black Nuts and Bolts Set Metric Hex Socket Head Cap Screws 12.9 Grade Alloy Steel, 21 Sizes 4MM to 30MM

• 1713PCS Nuts and Bolts Set&3PCS Drill Allen Key Bits: 1710 pieces of M2 M3 M4 screws bolts set of different sizes with 3 pcs hex keys and specifications with matching nuts and washers to meet the needs of different people. Each model screw is available in 7 lengths: 8 mm, 10 mm, 12 mm, 16 mm, 20 mm ,25mm(only for M2) and 30 mm.You also can get 3pcs hex bits, included size of H1.5, H2.5, H3. Nuts and washers increase contact area and reduce pressure to protect bolts and parts
• Exquisite Material: M2 M3 M4 Black Hex Socket Head Cap Screws Bolts and Nuts kit is made of high quality 12.9 grade alloy steel and upgraded zinc electroplated version, extended rust prevention time, more elaborate production process, no need to add anti-rust oil, cleaner and tidier.Black surface treatment, not easy to rust, moisture-proof, anti-oxidation, anti-corrosion, acid and alkali resistance, high hardness.
• Types and Multi Sizes: Metric(Tolerance:±0.1mm) Hex Button Head Cap Screws. 24 Sizes more choices, Custom 7 lengths for 1 model, 8/10/12/16/20/25mm(only for M2)/30mm. Uniform force, located in the center of the head with no offset, not easy to slip.The H1.5 H2.5 H3 hex bits are used for screws M2 M3 M4. For Examaple, The 1.5mm screwdriver bits is used for M2 bolts; 2.5mm bit is used for M3 Bolts; 3mm is used for M4 screws
• Easy to Use: M2 M3 M4 Nuts and washers can expand the contact area, reduce the pressure, and protect the screws and parts. The black M2 M3 M4 Hex Button Head Cap Screw thread is uniform, smooth and strong, not easy to deform and slide during the working process, and it matches the nut perfectly. In addition, each set of screws is equipped with a reusable storage box, and the remaining bolts and nut washers can be used for Temporarily stored in the box, convenient for next use
• Wide Applications: K Kwokker Nut And Bolt Assortment is suitable for furniture repair, plumbing, woodwork, other DIY projects, and maintenance of various mechanical parts, or other fields. Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur

Product information Product Names: Hex Socket Screws Bolts Nuts and Washers Kit - Material: Carbon Steel - Size: M2/M3/M4 - Quantity: 1713 Pcs -Product Names: hex allen key bit set - Material: S2 Steel -Size: 1.5mm, 2.5mm, 3mm - Quantity: 3 Pcs Package Includes: (1710pcs bolts set and 3 hex keys with Storage Box) 1*1.5mm hex head impact driver bit 1*2.5mm hex head impact driver bit 1*3mm hex head impact driver bit The H1.5 H2.5 H3 hex bits are used for screws M2 M3 M4. For Examaple, The 1.5mm screwdriver bits is used for M2 bolts; 2.5mm bit is used for M3 Bolts; 3mm is used for M4 screws. Matching Wrench and Rack for Taking Screws Different types of Allen wrenches and bolts are matched, and you can find the corresponding wrench to use when using bolts. Hex Socket Head Cap Machine Screws Standard Hex Button Head Screws are manufactured with precision technology. Deep and Clear Thread It can be easily installed, ensuring a firm grip, and not easy to deform and slide. All screws threads have clean-cut edges. Special features: Hex bolts, bolts and nuts are made of high quality stainless steel, sturdy and durable. The deep and clear hex socket and head can make your work easier. All hexagon socket screws and bolts are packed in a storage box, which is easy to use, find and use.