Dia/Thread Size
Finish
Grade
Length
Material
Manufacturer
Specification
System of Measurement
Type
Special Interest
Square Head Bolts
The head design of square head bolts enables an easier wrench grip for nut tightening. They are usually used in new construction to mimic an older aesthetic or in railway applications.
(4 items in Square Head Bolts) 
Fastenal Part No. (SKU) 20161
7/16"-14 x 2" ASTM A307 Grade A Plain Finish Square Head Bolt
Manufacturer
Fastenal Approved Vendor
Online Price: $1.61 / each
Available Inventory
Fastenal Part No. (SKU) 20155
7/16"-14 x 1" ASTM A307 Grade A Plain Finish Square Head Bolt
Manufacturer
Fastenal Approved Vendor
Online Price: $0.7381 / each
Available Inventory
Fastenal Part No. (SKU) 20164
7/16"-14 x 2-3/4" ASTM A307 Grade A Plain Finish Square Head Bolt
Manufacturer
Fastenal Approved Vendor
Online Price: $2.09 / each
Available Inventory
Fastenal Part No. (SKU) 20157
7/16"-14 x 1-1/4" ASTM A307 Grade A Plain Finish Square Head Bolt
Manufacturer
Fastenal Approved Vendor
Online Price: $2.22 / each
Available Inventory