5/16"-18 x 4 1/2" Carriage Bolt, Full Thread / 18-8 Stainless Steel / Passivated
- Stainless Steel
- 18-8
- Passivated
- 18 TPI · Coarse
- ASME B18.5
$128.21
$2.56 / pc
Package of 50
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Product Description
5/16"-18 x 4 1/2" Carriage Bolt, Full Thread / 18-8 Stainless Steel / Passivated
RoHS CompliantStainless
Frequently Asked Questions
Why does a carriage bolt have a square neck?
The square neck beneath the round head wedges into the wood as the nut is tightened, preventing the bolt from rotating. This allows tightening from one side only — perfect for deck and fence construction where you can not access the back side of the bolt.
How corrosion-resistant is this stainless steel fastener?
Stainless steel fasteners resist rust and corrosion in most environments. For specific corrosion requirements, consult our engineering team or the appropriate ASTM specification.
$128.21
$2.56/pc
Carriage Bolt, Full Thread / 18-8 Stainless Steel / Passivated
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Technical Specifications
Thread Size
5/16"-18
Length
4 1/2"
Thread Type
Coarse
Material
Stainless Steel
Grade
18-8
Finish
Passivated
Head Style
Carriage (Round)
Standard
ASME B18.5
Thread Pitch
18 TPI
Thread Class
Coarse
Tensile Strength
58000
Hardness
B67 - B95
RoHS Compliance
RoHS Compliant
Measurement System
Inch
SKU
781258-50