





5/16-18 x 3" Carriage Bolts, Round Head, Square Neck, Stainless Steel 18-8, Full Thread, Plain Finish, Flat Point, Quantity 25 By Fastenere
US$62.96
Arrives as soon as ✓ Free shipping over $200Description
Product Details Item Dimensions: 3 x 1 x 6 inches Item Weight: 1 ounces Number of Items: 25 Unit Count: 1 Count Part Number: 3SBC905C0300 Thread Size: 5/16-18 Exterior Finish: Plain Screw ...
Delivery & Returns
Free shipping $200+
Orders of $200 or more ship free. No code needed.
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Duneford
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Product Details
- Item Dimensions: 3 x 1 x 6 inches
- Item Weight: 1 ounces
- Number of Items: 25
- Unit Count: 1 Count
- Part Number: 3SBC905C0300
- Thread Size: 5/16-18
- Exterior Finish: Plain
- Screw Head Style: Round
- Fastener Type: Carriage Bolt
- Thread Type: Unc
- Thread Style: Right Hand
- Screw Point Style: Flat Point
- Drive System: Square
- Material Type: Stainless Steel
- Size Name: 5/16-18 x 3" (25 Pack)
- Thread Coverage: Fully Threaded
- Model: 3SBC905C0300
About this item
- Thread Diameter 0.3125"
- Head Diameter 0.719"
- Head Height 0.176"
- Square Neck Height 0.187" / Square Neck Width 0.32"
- 18-8 Stainless Steel provides strength and offers good corrosion resistance in many environments.
Shipping Policy
Duneford 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 Duneford 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@duneford.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 Duneford replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








