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Square Head Bolts, Zinc/Clear (ASME B18. 2.1)

Square Head Bolts were once the most common form of bolt, until they were replaced by hex head bolts. They are covered under ANSI Standard B18.2.1 and are now most commonly used for aesthetic purposes to provide a rustic look .

22 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCASquare Head BoltSteelZinc/Clear3/4-10 x 2 3/43/4-10 x 2 3/4 sq hd bolt steel znc b18.2.1127
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AbabaCASquare Head BoltSteelZinc/Clear5/8-11 x 25/8-11 x 2 sq hd blt steel znc b18.2.16
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AbabaCASquare Head BoltSteelZinc/Clear5/8-11 x 2 1/25/8-11 x 2 1/2 sq hd blt steel znc b18.2.1156
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AbabaCASquare Head BoltSteelZinc/Clear1/4-20 x 21/4-20 x 2 sq hd blt full thrd steel znc b18.2.11390
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ASMCILSquare Head BoltGrade AZinc/Clear7/8-9 x 4a307 gra square hd m/b low carb zp b18.2.124
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ASMCILSquare Head BoltGrade AZinc/Clear3/8-16 x 1 1/2a307 gra square hd m/b low carb zp b18.2.1750
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ASMCILSquare Head BoltGrade AZinc/Clear1/2-13 x 8a307 gra square hd m/b low carb zp b18.2.128
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ASMCILSquare Head BoltGrade AZinc/Clear3/8-16 x 2 1/4a307 gra square hd m/b low carb zp b18.2.1550
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ASMCILSquare Head BoltGrade AZinc/Clear3/4-10 x 4a307 gra square hd m/b low carb zp b18.2.140
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ASMCILSquare Head BoltGrade AZinc/Clear3/4-10 x 5a307 gra square hd m/b low carb zp b18.2.15
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ASMCILSquare Head BoltGrade AZinc/Clear3/4-10 x 3 1/2a307 gra square hd m/b low carb zp b18.2.160
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ASMCILSquare Head BoltGrade AZinc/Clear3/4-10 x 3a307 gra square hd m/b low carb zp b18.2.15
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ASMCILSquare Head BoltGrade AZinc/Clear1/2-13 x 1 1/2a307 gra square hd m/b low carb zp b18.2.1229
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BIG BOLTILSquare Head BoltGrade 5Zinc/Clear3/4-10 x 2 5/8bolt & c/s square boltb18.2.12130
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BIG BOLTILSquare Head BoltGrade 8Zinc/Clear5/16-18 x 2 3/4bolt & c/s square boltsquare b18.2.11580
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B & K FASTPASquare Head BoltSteelZinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 square bolts zinc b18.2.1854
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General FMISquare Head BoltSteelZinc/Clear5/8-11 x 2 1/25/8-11 x 2.5 sq hd bolt zinc b18.2.1100
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OSSCORISquare Head BoltSteelZinc/Clear5/16-18 x 35/16-18x3 square hd mach bolt plated b18.2.1400
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QFCTXSquare Head BoltGrade 2Zinc/Clear3/8-16 x 13/8-16x1 sq head bolt gr2 zinc b18.2.170
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QFCTXSquare Head BoltGrade 5Zinc/Clear3/4-10 x 53/4-10x5 sq head bolt gr5 zinc b18.2.14
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WSBKYSquare Head BoltGrade 2Zinc/Clear1/4-20 x 1blt sqr gr2 (zn) 1/4-20x1 b18.2.17,994
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WSBKYSquare Head BoltGrade 8Zinc/Clear3/4-10 x 2 1/4blt sqr gr8 (zt) 3/4-10x2 1/4 b18.2.1199
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