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Iterzen
3/8" x 4-1/2" Carriage Bolt Kit 50 Pack, Grade 307A, Hot Dip Galvanized Carriage Bolt Set, Rust Resistance, Includes Hex Nuts & Flat Washers
US$85.48
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color: gray Number of Items: 50 Unit Count: 50 Count Part Number: MCLSTZ3/8x4-1/2in50pcsRJX Exterior Finish: Zinc Manufacturer Grade: Grade 307A Screw Head Style: Flat Fast...
Delivery & Returns
Ships to the United States
Free shipping on orders over $200 · $6.90 below that
30-day returns — label emailed, fees may apply
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Color: gray
- Number of Items: 50
- Unit Count: 50 Count
- Part Number: MCLSTZ3/8x4-1/2in50pcsRJX
- Exterior Finish: Zinc
- Manufacturer Grade: Grade 307A
- Screw Head Style: Flat
- Fastener Type: Carriage Bolt
- Thread Style: Full
- Item Hardness: Grade 307A
- Head Type: Carriage
- Screw Point Style: Flat Point
- Finish Types: Hot Dip Galvanized
- Item Diameter: 0.38 inches
- Size Name: 3/8 x 4-1/2
- Number of Pieces: 50
- Fastener Size: 3/8" x 4-1/2"
- Thread Coverage: Fully Threaded
- Set Name: Carriage Bolt Kit (50 Pack)
About this item
- Top-Notch Components: Comes with Grade 307A carriage bolts, Grade 2 hex nuts, and USS flat washers for solid performance.Hot dip galvanized coating for superior corrosion resistance.
- Perfect for Heavy Projects: Flat head gives a semi-flush look, ideal for decks, gazebos, pergolas, and other tough jobs.
- Easy to Install: Full thread from neck to tip means better nut grip and strength. Square neck holds tight in wood, stopping the bolt from spinning when tightening. This makes a secure, vibration-free connection, saving you time.
- Great Fastening Ability: Galvanized carriage bolts are great for attaching wood to wood or metal. Their strong hold keeps your structures stable and reliable.
- Various Sizes Available: These carriage bolts come in many sizes, suitable for heavy tasks. Different sizes meet different needs, offering strong support for all kinds of projects.
Shipping Policy
Iterzen 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 have 30 days from delivery to send it back, and Iterzen will email you a return label. Return shipping fees may apply depending on the item's size, weight, and shipping location, and are deducted from your refund.
How it works
- Email us at support@iterzen.com with your order number.
- We send a return label within 1 business day, along with the return shipping cost (if any) so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Items should be unused, unassembled, and in their original packaging. Damaged or defective on arrival? Send a photo and Iterzen replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.