3/8" x 4-1/2" (25 Pack) Black Carriage Bolt Kit, Grade 307A, Ceramic Coated for Exterior Use, 2X Rust Resistance of Galvanized by Makers Bolt
US$70.54
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color: Black Number of Items: 25 Unit Count: 25 Count Part Number: CBK3872BR25 Thread Size: 3/8"-16 Exterior Finish: Black Ruspert Manufacturer Grade: Grade 307A Screw Head...
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Orders of $200 or more ship free. No code needed.
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Product Details
- Color: Black
- Number of Items: 25
- Unit Count: 25 Count
- Part Number: CBK3872BR25
- Thread Size: 3/8"-16
- Exterior Finish: Black Ruspert
- Manufacturer Grade: Grade 307A
- Screw Head Style: Round
- Fastener Type: Carriage Bolt
- Thread Type: Unc
- Thread Style: Right Hand
- Item Hardness: Grade 307A
- Head Type: carriage
- Thread Class: 2A
- Compatible Groove Diameter: 0.81 inches
- Grade Rating: Grade A307
- Material Type: Stainless Steel
- Finish Types: matte
- Item Diameter: 0.38 inches
- Size Name: 3/8 x 4-1/2
- Number of Pieces: 25
- Fastener Size: 3/8 x 4-1/2
- Thread Coverage: Fully Threaded
- Outside Diameter: 1 inches
- Set Name: Makers Bolt 3/8" x 4-1/2" Grade 307A Black Ceramic Coated Carriage Bolt Kit (25 Pieces)
About this item
- Diameter: 3/8"
- Length: 4-1/2"
- Head diameter: 0.813"
- Nut diameter: 3/8"
- Nut wrench size: 9/16"
- Washer outside diameter: 1"
- Kit includes 25 carriage bolts, 25 USS thick washers, 25 hex nuts
- 5-Layer ceramic black ruspert coating for superior rust resistance (2X protection compared to galvanized)
- Grade 307A carriage bolts, grade 2 hex nuts, and USS flat washers
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
Shipping Policy
Road & Rim 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 Road & Rim 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@roadandrim.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 Road & Rim replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.