Mutual Screw & Supply

3/8-16 X 6" Carriage Bolts | Fully Threaded | 316 Stainless Steel (25 / Pkg.)

3/8-16 X 6" Carriage Bolts | Fully Threaded | 316 Stainless Steel (25 / Pkg.) - Main image
$29.56 $45.48 In stock

3/8-16 X 6" 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
  • Fully Threaded
  • Sold in bulk packs

Specifications

  • Thread Size: 3/8-16
  • Length: 6"
  • Threads Per Inch: 16
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 25
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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 (5.0 / 5 · 5 reviews)

Avery X. ★★★★★

The square neck on these carriage bolts grabbed perfectly into the wood I was using for a deck repair, no spinning at all. The 316 stainless feels solid and corrosion-resistant, exactly what I needed for outdoor use.

Scarlett K. ★★★★★

I’ve replaced some fasteners on a trailer gate with these, and that square neck under the head really does hold firm while you tighten the nut. The 316 stainless feels solid and the fully threaded shaft gives plenty of grip.

Edward ★★★★★

Needed six-inch bolts for a dock repair job and these 316 stainless ones handled the saltwater like a champ. The fully threaded shaft gave me plenty of grip through thick timber without needing to hunt for longer ones.