


Black Carriage Bolts 5/16in x 1-1/4in (100 Count) Includes Nuts
US$90.90
Arrives as soon as ✓ Free shipping over $200Description
Product Details Color: Black Item Dimensions: 4 x 3 x 4 inches Number of Items: 100 Unit Count: 100 Count Part Number: FBCB56 Thread Size: 5/16"-20 UNF Exterior Finish: Black Manufacturer ...
Delivery & Returns
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Autzen
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Product Details
- Color: Black
- Item Dimensions: 4 x 3 x 4 inches
- Number of Items: 100
- Unit Count: 100 Count
- Part Number: FBCB56
- Thread Size: 5/16"-20 UNF
- Exterior Finish: Black
- Manufacturer Grade: Grade 2
- Screw Head Style: Dome
- Fastener Type: Carriage Bolt
- Thread Type: Unc
- Thread Style: Right Hand
- Item Hardness: Grade 2
- Head Type: Carriage
- Thread Class: 2A
- Grade Rating: Grade A
- Finish Types: Black
- Item Diameter: 0.31 inches
- Size Name: 5/16-20 UNF
- Number of Pieces: 100
- Fastener Size: 5/16 inch
- Thread Coverage: Partially Threaded
- Outside Diameter: 0.31 inches
- Number of Packs: 1
- Set Name: Black Carriage Bolts 5/16in x 1-1/4in (100 Count) Includes Nuts
Shipping Policy
Autzen ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Autzen will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@autzenhub.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Autzen replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








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