FCH News

7/8 Square Head Bolts (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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALSquare Head BoltSteelPlain7/8-9 x 4 1/27/8-9x4 1/2 square head bolt b18.2.15
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 14bolt & c/s square boltsquare b18.2.1566
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-14 x 20bolt & c/s square boltb18.2.1600
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain7/8-9 x 26bolt & c/s square boltsquare b18.2.1260
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-14 x 14bolt & c/s square boltb18.2.1600
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 10bolt & c/s square boltsquare b18.2.1521
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain7/8-9 x 20bolt & c/s square boltsquare b18.2.1310
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 2 3/4bolt & c/s square boltsquare b18.2.13700
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 12bolt & c/s square boltsquare b18.2.1543
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 24bolt & c/s square boltb18.2.1300
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 8bolt & c/s square boltsquare b18.2.1450
    Contact_Supplier
ASMCILSquare Head BoltGrade AZinc/Clear7/8-9 x 4a307 gra square hd m/b low carb zp b18.2.124
    Contact_Supplier
QFCTXSquare Head BoltGrade AGalvanized7/8-9 x 187/8-9x18 square head bolt a307 hdg b18.2.110
    Contact_Supplier
CascadeORSquare Head BoltSteelPlain7/8-9 x 12square m/b b18.2.19
    Contact_Supplier
B & K FASTPASquare Head BoltSteelGalvanized7/8-9 x 167/8-9 x 16 galv square bolts 6 thread b18.2.132
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 3 1/27/8-9 x 3 1/2 square bolts plain b18.2.1523
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 47/8-9 x 4 square bolts plain b18.2.11
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 4 1/27/8-9 x 4 1/2 square bolts plain b18.2.176
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 57/8-9 x 5 square bolts plain b18.2.158
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 5 1/27/8-9 x 5 1/2 square bolts plain b18.2.1277
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 67/8-9 x 6 square bolts plain b18.2.1119
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 6 1/27/8-9 x 6 1/2 sq. bolts plain b18.2.19
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 77/8-9 x 7 square bolts plain b18.2.1250
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 107/8-9 x 10 square bolts plain b18.2.11
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 10 1/27/8-9 x 10 1/2 square bolts plain b18.2.167
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 2 1/47/8-9 x 2 1/4 square bolts plain b18.2.11331
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain7/8-9 x 37/8-9 x 3 square bolts gr 5 plain b18.2.125
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain7/8-9 x 37/8-9 x 3 square bolts plain b18.2.1314
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 42square hd bolt rt6 hdg b18.2.1stock
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 18square hd bolt rt6 hdg b18.2.110
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 22square hd bolt hdg b18.2.15
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 42square hd bolt rt6 hdg b18.2.13
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 46square hd bolt rt6 hdg b18.2.13
    Contact_Supplier
THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 44square hd bolt rt6 hdg b18.2.12
    Contact_Supplier
THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 4square hd bolt hdg b18.2.1215
    Contact_Supplier
THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 3square hd bolt hdg b18.2.140
    Contact_Supplier
THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 3square hd bolt rt2.25 hdg b18.2.120
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 14square hd bolt hdg b18.2.135
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 4square hd bolt hdg b18.2.110
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 28square hd bolt rt6 hdg b18.2.1stock
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 30square hd bolt hdg b18.2.15
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 20square hd bolt hdg b18.2.15
    Contact_Supplier
THRDFASTMSSquare Head BoltSteelGalvanized7/8-9 x 9 1/2square hd bolt hdg b18.2.117
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain7/8-9 x 127/8-9 x 12 square!machbolt gr-8 b18.2.113
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain7/8-9 x 147/8-9 x 14 square!machbolt gr-8 b18.2.127
    Contact_Supplier
KBSTNSquare Head BoltSteelPlain7/8-9 x 47/8-9 x 4 square hd mach.bolt b18.2.1123
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain7/8-9 x 6 1/27/8-9 x 6 1/2 square mach bolt gr-8 b18.2.174
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain7/8-9 x 87/8-9 x 8 square mach.bolt gr-5 b18.2.120
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain7/8-9 x 107/8-9 x 10 inch square mach bolt gr-8 b18.2.160
    Contact_Supplier
THRDFASTFLSquare Head BoltGrade 5Plain7/8-9 x 5gr5 square hd bolt b18.2.110
    Contact_Supplier
THRDFASTMSSquare Head BoltSteelGalvanized7/8-9 x 9square hd bolt hdg b18.2.150
    Contact_Supplier
THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 20tfi square hd bolt rt 7in hdg b18.2.120
    Contact_Supplier
THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 17tfi square hd bolt rt 7in hdg b18.2.158
    Contact_Supplier
THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 19tfi square hd bolt rt 8in hdg b18.2.128
    Contact_Supplier

Trademarks identified with products listed on this website are the property of their respective owners, not FastenersClearingHouse.com.