5/16"-18 x 9 Carriage Bolts A307 Grade A ZINC CR+3, 6" Thread Under-Sized, Partially Threaded,Size: 5/16"-18,Length: 9",Head: Round,Drive: External Square,Steel,Finish: Zinc (Inch) (Quantity: 50)

★★★★★ 4.7 109 reviews

US$36.00
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US$36.00
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Free shipping Free 30-day returns

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Product details

Management number 211257224 Release Date 2026/04/04 List Price US$36.00 Model Number 211257224
Category

Jet Fitting & Supply Corporation has been selling CARRIAGE BOLTS since 1946. Trust in Jet to deliver you high quality fasteners!

  • Jet Fitting & Supply Corporation has been providing fasteners since 1946. Feel safe when buying from Jet!
  • Carriage Bolts, also called Coach Bolts or Round Head Square Neck Bolts, from Jet Fitting have a dome shaped head and square neck.
  • Carriage Bolts are typically used for wood construction like docks, swing sets, outdoor decks along with other surfaces where a smooth surface is needed
  • The square shoulder under a round head allows the bolt to resist turning when the nut is tightened.
  • All carriage bolts under 6 inches are fully threaded, lengths over 6" always have 6 inches of thread.
Brand Jet Fitting & Supply Corp
Color zinc
Unit Count 1 Count
Item Weight 0.01 Ounces
Part Number JB489180C
Thread Size 5/16"-18
Drive System Square
Grade Rating grade_a
Manufacturer Jet Fitting & Supply Corp.
Thread Style partially threaded
Fastener Type Carriage Bolt
Thread Coverage Fully Threaded
Screw Head Style Round
Manufacturer Grade Grade A

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