300pcs Hex Bolts and Nuts kit,304 Stainless Steel 1/4-20, 5/16-18,3/8-16 Bolts and Nuts Assortment kit (Lock & Flat Washers), Stainless Bolt Assortment, Stainless Steel Bolts and nut kit
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- 【Nuts and Bolts】If you have a set that can handle household screws. Contains 300 pcs Hex Bolts and nuts kit, lock washers and flat washers,M4*10mm and M4*20mm self tapping screws, 30 red steel paper fiber washers. Includes a total of 11 sizes: 1/4''-20x3/4'', 1/4''-20x1'', 1/4''-20x1-1/2'', 1/4''-20x2'', 5/16''-18x3/4'', 5/16''-18x1'', 5/16''-18x1-1/2'', 5/16''-18x2'', 3/8''-16x1-1/4'', 3/8''-16x1-1/2'', 3/8''-16x2''.
- 【Bolts and nuts kit - High quality】Made of high quality 304 Stainless Steel, This product has passed the international stainless steel inspection. No rust,Passivated Surface,reinforced rust resistance, please feel free to use it in humid and high temperature environments.The complimentary red steel paper fiber washers provide excellent elasticity and insulation, expanding the range of applications for your fasteners.
- 【Hex Bolts kit - 2-year warranty】Our products have undergone several quality checks and many tests and come with a 2-year warranty! If you need assistance, please contact us by email or Q&A. Money back or exchange. Accept Customization.Satisfaction guaranteed.
- 【nuts and bolts assortment kit - Wide Application】 Widely used in bicycle, furniture, car license plate, automobile, electrical connections on the power source of household and commercial appliances, and other places of indoor or outdoor.
- 【bolts and nuts kit - Package】1. Screw sorting box Wrop in bubble film; 2. Then wrap into a special screw outer box; 3. Put it into the packaging box; 4. Three layers of protection, so that the exquisite products can be delivered to your hands intact.
Estimated shipping
Select a product to estimate shipping.This Senyard stainless steel nut and bolt assortment kit provides a comprehensive selection of fasteners for a wide range of projects. With 300 pieces in various sizes, you’ll have everything you need for repairs, DIY projects, and more. Crafted from durable 304 stainless steel, these fasteners are built to withstand demanding conditions.
Key Highlights
- Durable Stainless Steel: Constructed from 304 stainless steel for superior corrosion resistance and longevity.
- Versatile Sizes: Includes a variety of sizes (1/4"-20, 5/16"-18, 3/8"-16) to accommodate numerous applications.
- Complete Kit: Contains bolts, nuts, lock washers, and flat washers, offering a well-rounded solution.
- Reinforced Rust Resistance: Passivated surface and included washers enhance rust protection, suitable for humid environments.
- Compact Storage: The kit’s dimensions (7.48 x 5.12 x 1.4 inches) allow for easy storage.
Useful Facts
- Material: 304 Stainless Steel
- Quantity: 300 pieces
- Thread Sizes Included: 1/4"-20, 5/16"-18, 3/8"-16
- Dimensions: 7.48 x 5.12 x 1.4 inches
- Brand: Senyard
Good Fit For
- Home repairs and maintenance
- DIY projects and crafting
- Automotive repairs
- Model building and hobby projects
- General fastening needs
Product details






| Main Specification | |
|---|---|
| Head Style | Flat or Hex |
| Manufacturer | Senyard |
| Unit Count | 300 Count |
| Item dimensions L x W x H | 7.48 x 5.12 x 1.4 inches |
| Exterior Finish | Stainless Steel |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 0.25 Inches |
| Brand | Senyard |
| Head Type | Hex |
| Number of Items | 300 |
| Fastener Type | Hexagon Bolt |
| Item Diameter | 0.25 Inches |
| Number of Pieces | 300 |
| Fastener Size | M4 |
| Thread Size | 1/4"-20 |
| Material | Stainless Steel |
| Colour | Silver |
| Thread Type | Unc |
| Drive System | External Hex |
| Product information | |
| Number of Packs | 1 |
| Set Name | Senyard Comprehensive Hex Bolt and Nut Set (300 Pieces) |
| Technical Details | |
| Model | 5/16-18 or 1/4-20 or 3/8-16 |
| Part Number | SYD-516 |
| Material Type | Stainless Steel |
| Thread Style | Right Hand |
| Set Screw Thread Type | Metric |
| Style | |
| Finish Types | Passivated |
| Measurements | |
| Item Dimensions | 7.48 x 5.12 x 1.4 inches |
| Others | |
| Size Name | 1/4-20 or 5/16-18 or 3/8-16 |
| Screw Head Style | Flat or Hex |
| Product Type | Nut & Bolt Assortment Sets |
| Grade Rating | Grade 304 |
| Screw Point Style | Flat Point |






