Mutual Screw & Supply

3/8-16 X 7-1/2" Carriage Bolts | Partially Threaded | 316 Stainless Steel (25 / Pkg.)

3/8-16 X 7-1/2" Carriage Bolts | Partially Threaded | 316 Stainless Steel (25 / - Main image
$67.23 $97.44 In stock

3/8-16 X 7-1/2" Carriage Bolts in 316 Stainless Steel. Carriage bolts feature a smooth, rounded head with a square neck underneath that pulls into the material to prevent the bolt from turning during installation, making them ideal for wood-to-wood and wood-to-metal connections.

  • Domed head with square anti-rotation neck
  • 316 Stainless Steel construction
  • Coarse thread for use in wood and with nuts and washers
  • Partially Threaded
  • Sold in bulk packs

Specifications

  • Thread Size: 3/8-16
  • Length: 7-1/2"
  • Threads Per Inch: 16
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Thread Style: Partially Threaded
  • Pack Quantity: 25
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Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Daniel ★★★★★

I installed a dozen of these on a new wooden gate, and the square neck grabbed perfectly—no spinning at all. Even after a week of rain, the 316 stainless steel shows zero rust spots.

Zoe H. ★★★★★

I picked these up for a dock repair project and was impressed by the smooth, rounded head that sits flush against the wood. The square neck really does lock in place so you don't need a second wrench. They feel solid and corrosion-resistant.

Natalie K. ★★★★★

Installed these on a new gate and the square neck under the head really grabbed the wood so nothing spins loose. The 316 stainless finish should hold up well in the weather too.