| Zinc Plated Steel Carriage Bolt, Truss Head | 
| Colors: | 
Silver |
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| Brand: Small Parts
Category: BISS
Buy New: $2.57 - $9.34
as of 9/10/2010 00:31 MSD details
Where applicable you'll select size, color, etc. after you click the buy button.
In Stock
Color: Silver
ASIN: B003R7JF18
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| Features:
| • | Carriage Bolts have a domed head with a square neck to prevent spinning | | • | Zinc Plated Steel fasteners are suitable where strength and corrosion resistance are primary considerations | | • | Truss head fasteners are low-profile, but have a large diameter head | | • | Length is measured from under the head |
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Product Description
Carriage Bolts or Carriage Screws have a square neck that keeps them from turning once tightened. Use in square holes for wood-to-wood and wood-to-metal fastening. Length is measured from under the head.
Steels are designated by a 4 number SAE Steel grade. The first two digits indicate the primary materials used to form the steel. The last 2 digits identify the percentage of carbon for the alloy (in hundredths). The steel used in these fasteners has a tensile strength ranging from 100,000 to 150,000 psi (pounds per square inch). Zinc Plating helps to prevent corrosion.
Typically found on carriage bolts, the truss head style is a large-diameter round head that can help cover large-diameter clearance holes in sheet metal work and is lower profile than many other round styles.
A threaded fastener's size name includes information about the major external diameter, followed by the threads per inch, which indicates if it is coarse or fine.
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