3/8 x 3 (50 Pack) Lag Screw Kit, 50 Screws and 50 Washers, Ceramic Black Ruspert Coating for Exterior Use, Meets ASTM A307 and ASME B18.2.1, Industrial/Commerical Grade by Makers Bolt
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- Diameter: 3/8" | Length: 3" | Head width: 9/16"
- Kit includes 50 Grade 307A lag bolts and 50 USS flat washers (outside diameter 1")
- Coated with Black Ruspert, a 4 layer weatherproof ceramic coating that provides 2x rust resistance of galvanized
- Suitable for use in ACQ treated lumber, pilot hole recommended for installation
- Meets ASTM A307, ASME B18.2.1, and ASME B18.21.1
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Select a product to estimate shipping.Need a reliable and durable fastening solution for your next project? MAKERS BOLT’s Lag Screw Kit provides a robust option for a variety of industrial and commercial applications. These screws are built to last and offer excellent corrosion resistance, making them ideal for outdoor use.
Key Highlights
- Weatherproof Coating: The Black Ruspert ceramic coating offers superior rust resistance, extending the lifespan of your fasteners.
- Strong & Secure: Constructed from steel and meeting ASTM A307 standards, these lag screws provide a secure hold.
- Complete Kit: Each kit includes both lag bolts and flat washers, simplifying installation and ensuring a proper fit.
- Pilot Hole Recommended: Utilizing a pilot hole during installation is advised for optimal performance and to prevent splitting the wood.
- Versatile Size: The 3/8" x 3" size is suitable for a wide range of applications.
Useful Facts
- Material: Steel
- Head Style: Hex
- Exterior Finish: Ceramic Black
- Thread Size: 3/8"
- Dimensions: 3/8" Diameter x 3" Length
- Kit Contents: 50 Grade 307A lag bolts and 50 USS flat washers (1" outside diameter)
Good Fit For
- Construction projects
- Commercial building maintenance
- Outdoor repairs and installations
- DIY projects requiring durable fasteners
Product details






| Main Specification | |
|---|---|
| Manufacturer | Makers Bolt |
| Unit Count | 50 Count |
| Exterior Finish | Ceramic |
| Head Style | Hex |
| Point Style | Type A Point |
| Thread Coverage | Partially Threaded |
| Outside Diameter | 0.38 Inches |
| Brand | Makers Bolt |
| Head Type | Hex |
| UPC | 810074742948 |
| Number of Items | 100 |
| Fastener Type | Lag Screw |
| Item Diameter | 0.38 Inches |
| Fastener Size | 3/8" x 3" |
| Thread Size | 3/8 |
| Material | Steel |
| Colour | Black |
| Thread Type | Unc |
| Drive System | External Hex |
| Product information | |
| Number of Packs | 1 |
| Set Name | Lag Screw Kit |
| Technical Details | |
| Thread Style | Right Hand or Partially Threaded |
| Part Number | LBK3848BR50 |
| Material Type | Steel |
| Thread Class | Standard |
| Compatible groove diameter | 0.38 inches |
| Set Screw Thread Type | Unified National Coarse (Unc) |
| Style | |
| Finish Types | Ceramic Coated |
| Others | |
| Product Type | Lag Screws |
| Grade Rating | Grade A307 |
| Size Name | 3/8 x 3 |
| Screw Head Style | Hex |
| Screw Point Style | Type A Point |














