Representative drawing — L: length, D: nominal diameter.
Carriage bolt · Grade 2
Carriage bolt 5/16"-18 × 4-1/2"
Code: CB2Z-516C-0450
- Zinc plated
- Round, square neck
- 5/16"-18
- Partially threaded
Low stock
30 units
Sold by the box of 50. For quantities above our stock, we will confirm the lead time.
Price provided in your quote.
Technical specifications
- Product code
- CB2Z-516C-0450
- Bolt type
- Carriage bolt
- Head type
- Round, square neck
- Drive
- None
- System
- Imperial (in)
- Diameter
- 5/16"
- Thread
- UNC (coarse) — 18 TPI
- Length
- 4-1/2" (114.3 mm)
- Thread length
- Partially threaded
- Grade / class
- Grade 2
- Material
- Carbon steel
- Finish
- Zinc plated
- Standards
- ASTM A307 · ASME B18.5
- Packaging
- Box of 50
Description
Carriage bolt, 5/16" diameter by 4-1/2" long, partially threaded. Thread: UNC (coarse), 18 TPI. Grade 2, carbon steel, zinc plated finish. Meets: ASTM A307, ASME B18.5. Smooth round head with a square neck that stops rotation in wood or a square hole; tightened from one side.
Other lengths — 5/16"-18, zinc plated
In stock Low stock Special order
Same size, other finishes and grades
| Product | Finish | Grade | Availability | Quote |
|---|---|---|---|---|
| Carriage bolt 5/16"-18 × 4-1/2"CB2G-516C-0450 | Hot-dip galvanized | Grade 2 | In stock 300 units | |
| Carriage bolt 5/16"-18 × 4-1/2"CBS-516C-0450 | Stainless steel | Stainless 18-8 (304) | Special order Approx. 10 business days |