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Carriage Bolt, Square Neck, 20 (Coarse), 4 in L, Steel, Zinc Plated, 8 PK
Mfr # 31788
Zoro # G802518373
product price:Â
$
5.15
/pk 8, $0.64/ea
Sold in multiples of 2 for $10.30
Key Features
Grade 5 Material Grade/Class
Thread Size
20 (Coarse)
Fastener Length
4 in
Material
Steel
Finish
Zinc Plated
Neck Type
Square
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Specifications
Details
- MFR #
- 31788
- Zoro #
- G802518373
- UPC #
- 738287317886
- Country of Origin
- China
- Material
- Steel
- Finish
- Zinc Plated
- Material Grade/Class
- Grade 5
- Neck Type
- Square
- Thread Type
- Coarse
- Thread Style
- Fully Threaded
- Item
- Carriage Bolt
- System of Measurement
- Inch
- Head Style
- Carriage
- Hardness
- Grade 5
Description
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.