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Prod. # Length Each price Bag price Bulk price Price Buy
3139 5" $9.45 / ea $75.59 / 10 $340.00 / 50 $9.45 / ea $75.59 / 10 $340.00 / 50
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Carriage bolt dimensions
Product details
Bolt Depot product# 3139
Units US
Category Carriage bolts & Plow bolts
Bolts with no drive and machine threads for use with a nut.
Head style Carriage
Carriage heads are large smooth and domed with no drive.
Neck style Square
Material Silicon bronze
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
Thread density Coarse
Diameter 1/4"
Thread count 20
Length 5"
Dimensional standard ASME B18.5
Length tolerance +0.06" / -0.10"
Thread direction Right hand
Head diameter 0.563" - 0.594"
Head height 0.125" - 0.145"
Square width 0.245" - 0.260"
Square depth 0.125" - 0.156"
Thread length Minimum 3/4"

Matching Products

Click on a product # for additional info

Prod. # Description Buy
3481
Hex nuts, Silicon bronze, 1/4"-20
A standard six sided nut.
$0.47 / ea
$7.01 / 25
$64.40 / 250
3491
Flat washers, Silicon bronze, 1/4"
General use flat washer
$0.43 / ea
$6.87 / 25
$63.20 / 250
3500
Lock washers, Silicon bronze, 1/4"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.25 / ea
$3.32 / 25
$30.30 / 250