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Structural bolts A325, Hot dipped galvanized steel, Coarse (standard) thread, 7/8" x 2-1/4"

Grade A325 hex bolt

Important Note: Due to the plating thickness, only hot dipped galvanized nuts should be used on hot dipped galvanized hex bolts.

Prod. # Length Each price Bag price Bulk price Price Buy
21555 2-1/4" $6.49 / ea $43.24 / 10 $199.00 / 50 $6.49 / ea $43.24 / 10 $199.00 / 50
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Structural A325 hex bolt dimensions 1
Structural A325 hex bolt dimensions 2
Product details
Bolt Depot product# 21555
Units US
Category Hex bolts
Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Subcategory Structural bolts A325
The most common type of bolt used in structural connections offering a larger diameter hex head.
Material Steel
A medium carbon steel commonly used in structural connections.
Plating Hot dipped galvanized
Hot dipped galvanized is a coating for very good corrosion resistance.
Thread density Coarse
Diameter 7/8"
Thread count 9
Length 2-1/4"
Length tolerance +0.00" / -0.19"
Structural Yes
Thread direction Right hand
Type Type 1
Head style Hex
Hex heads are six sided for use with a wrench.
Drive type External hex
A hexagonal head for use with a wrench.
Head height 0.531" - 0.563"
Width across the flats 1-7/16"
Fully threaded No
Thread length Minimum 1-1/2"
Body length Minimum 0.47"
Dimensional standard ASME B18.2.6

Matching Products

Click on a product # for additional info

Prod. # Description Buy
21626
Structural washers F436, Hot dipped galvanized steel, 7/8"
A thick flat washer intended for use in structural connections.
$0.58 / ea
$11.35 / 25
$95.30 / 250
4308
Lock washers, Hot dipped galvanized steel, 7/8"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.79 / ea
$17.59 / 25
$157.00 / 250