5/16"-18 x 5-1/2" Galvanized Grade 2 / A307 Carriage Bolts CBS-421 (50 pcs.)

★★★★★ 4.2 78 reviews

US$12.26
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US$12.26
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Free shipping Free 30-day returns

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Management number 238139333 Release Date 2026/07/11 List Price US$12.26 Model Number 238139333
Category

<p>Diameter: 5/16"<br>Length: 5-1/2"<br>Material: Steel<br>Finish: Hot Dip Galvanized<br>Head Style: Carriage<br>Thread Size: 18 (Coarse)<br>Thread Length: Full<br>Hardness: Grade 2 / A307<br>Type: Carriage Bolt<br>Square-Depth: 3/16"<br></p><p>Box of 50.</p><p>A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened.</p>

5/16"-18 x 5-1/2" Galvanized Grade 2 / A307 Carriage Bolts CBS-421 (50 pcs.)
Hardware bolt type Carriage
Material Steel
Size Default Title
Thread size 18 mm
Brand Monster Fastener

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