3/8 x 8 (25 Pack) Lag Screw Kit, 25 Screws and 25 Washers, Ceramic Black Ruspert Coating for Exterior Use, Meets ASTM A307 and ASME B18.2.1, Industrial/Commerical Grade by Makers Bolt
12 sold in last 24 hours
- Diameter: 3/8" | Length: 8" | Head width: 9/16"
- Kit includes 25 Grade 307A lag bolts and 25 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
Tags |
Estimated shipping
Select a product to estimate shipping.Need a reliable and durable fastening solution for your projects? MAKERS BOLT’s 3/8 x 8 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, ensuring a secure hold for years to come.
Key Highlights
- Weatherproof Coating: The Black Ruspert ceramic coating offers superior rust resistance, ideal for exterior use.
- Strong & Secure: Constructed from Grade 307A steel and fully threaded for a dependable connection.
- Complete Kit: Includes 25 lag bolts and 25 USS flat washers for a hassle-free installation.
- Industry Standards: Meets ASTM A307 and ASME B18.2.1 specifications for quality and performance.
- Pilot Hole Recommended: Utilizing a pilot hole during installation is advised for optimal results.
Useful Facts
- Material: Steel
- Size: 3/8" x 8"
- Head Style: Hex
- Finish: Ceramic Black
- Coating: Black Ruspert (4-layer weatherproof ceramic)
Good Fit For
- Industrial equipment assembly
- Commercial building projects
- Outdoor repairs and maintenance
- DIY projects requiring durable fasteners
Product details






| Main Specification | |
|---|---|
| Manufacturer | Makers Bolt |
| Unit Count | 25 Count |
| Exterior Finish | Ceramic |
| Head Style | Hex |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 1 Inches |
| Brand | Makers Bolt |
| Head Type | Hex |
| UPC | 810074744157 |
| Fastener Type | Lag Screw |
| Item Diameter | 9.53 millimeters |
| Fastener Size | 3/8" x 8" |
| 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 | |
| Part Number | LBK38128BR25 |
| Material Type | Steel |
| Number Of Items | 25 |
| 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 8 |
| Screw Head Style | Hex |














