5/16" x 2-1/2" (50 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 5/16" USS Flat Washers (50 pcs) and 5/16"-18 Hex Nuts (50 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt
Product details
| Management number | 211244606 | Release Date | 2026/04/04 | List Price | $13.13 | Model Number | 211244606 | ||
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| Category | |||||||||
- Diameter: 5/16" | Length: 2-1/2" | Head diameter: 0.703" | Nut diameter: 5/16"-18 | Nut wrench size: 1/2" | Washer outside diameter: 7/8"
- Kit includes 50 Grade 307A carriage bolts, 50 USS thick washers, 50 Grade 2/A hex nuts
- Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
- Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329
| UPC | 810074744560 |
|---|---|
| Brand | MAKERS BOLT |
| Color | Grey |
| Set Name | 50-Piece Carriage Bolt Kit |
| Head Type | Flat |
| Size Name | 5/16" x 2-1/2" |
| Metal Type | Alloy Steel |
| Unit Count | 50.0 Count |
| Part Number | CBK3140GV50 |
| Thread Size | 5/16"-18 |
| Thread Type | Unc |
| Drive System | External Hex |
| Finish Types | Matte |
| Manufacturer | Makers Bolt |
| Thread Class | 2A |
| Thread Style | Right Hand |
| Fastener Size | 5/16" x 2-1/2" |
| Fastener Type | Carriage Bolt |
| Item Diameter | 0.31 Inches |
| Item Hardness | Grade 2 |
| Material Type | Carbon Steel |
| Exterior Finish | Hot-Dipped Galvanized |
| Thread Coverage | Fully Threaded |
| Number of Pieces | 150 |
| Screw Head Style | Dome |
| Manufacturer Grade | Grade 307A |
| Compatible Groove Diameter | 0.88 Inches |
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Carriage Bolts
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