3/8" x 3-1/2" Carriage Bolts (50 PCS), Hot Dip Galvanized, Heavy Duty Round Head with Washers and Nuts

★★★★★ 4.6 139 reviews

$32.99
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$32.99
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Product details

Management number 211257335 Release Date 2026/04/04 List Price $13.20 Model Number 211257335
Category
  • 50 pcs 3/8" x 3-1/2" carriage bolts and 50 pcs USS flat washers and nuts
  • Made from premium carbon steel. Grade 307A bolts. Hot Dip Galvanized improve these carriage bolts strength, durability and corrosion resistance for outdoor use
  • Square neck provides the carriage bolt from rotating as it's tightened. Smooth and domed head makes it difficult to remove
  • Designed to have superior load-bearing capacity, ideal for connecting heavy timber and lumber, wood to metal (the square neck should be in the wood side)
  • Need 3/8-inch drill bit to pre-drill holes and 9/16-inch wrench for the nut. Widely use in wood construction, such as decks, pergolas, fences, playground equipment and furniture assembly
Brand HROMIGRY
Size Name 3/8" x 3-1/2"
Metal Type Carbon Steel
Unit Count 50.0 Count
Part Number MGCB38X312P50HDG
Thread Size 3/8"
Thread Type Unc
Finish Types Galvanized
Manufacturer HROMIGRY
Thread Class 3A
Thread Style Right Hand
Fastener Size 3/8" x 3-1/2"
Fastener Type Carriage Bolt
Item Hardness Grade 8.8
Material Type Carbon Steel
Exterior Finish Hot-Dipped Galvanized
Thread Coverage Fully Threaded
Number of Pieces 50
Manufacturer Grade Grade 307A
Compatible Groove Diameter 0.38 Inches

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