FCH News

Square Head Bolts, Grade 5 (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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHSquare Head BoltGrade 5Plain3/4-10 x 33/4-10x3 square hd bolt grade 5 stl pln b18.2.1 () () ()79
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-8 x 20bolt & c/s square boltsquare b18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain3/4-16 x 16bolt & c/s square boltb18.2.1700
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain3/8-16 x 12bolt & c/s square boltsquare b18.2.1500
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/16-14 x 2 1/2bolt & c/s square boltsquare b18.2.1890
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain3/8-16 x 4bolt & c/s square boltsquare b18.2.1500
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain5/8-11 x 12bolt & c/s square boltsquare b18.2.1700
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-7 x 16bolt & c/s square boltsquare b18.2.1 b18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain5/8-11 x 4 1/2bolt & c/s square boltsquare b18.2.13316
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain3/4-16 x 20bolt & c/s square boltb18.2.11100
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 14bolt & c/s square boltsquare b18.2.1566
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1/2-13 x 6bolt & c/s square boltsquare b18.2.110000
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain7/8-14 x 20bolt & c/s square boltb18.2.1600
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1/2-13 x 12bolt & c/s square boltsquare b18.2.1500
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1 3/8-6 x 10bolt & c/s square boltsquare b18.2.181
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain5/8-11 x 3 1/2bolt & c/s square boltsquare b18.2.11318
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1/4-20 x 5bolt & c/s square boltsquare b18.2.16000
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain5/16-18 x 6bolt & c/s square boltsquare b18.2.14700
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1/2-13 x 10bolt & c/s square boltsquare b18.2.1500
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1/4-20 x 2bolt & c/s square boltsquare b18.2.16000
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain3/4-10 x 3bolt & c/s square boltsquare fulthr b18.2.110900
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain1/2-13 x 1 3/41/2-13 x 1 3/4 square bolts gr 5 plain b18.2.14
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain1-8 x 51-8 x 5 square bolt gr 5 plain b18.2.112
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain5/8-11 x 55/8-11 x 5 square bolts gr 5 plain b18.2.110
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain5/8-11 x 6 1/25/8-11 x 6 1/2 square bolts full thread gr 5 plain b18.2.11
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 5Plain3/4-10 x 63/4-10 x 6 square bolts gr 5 plain b18.2.15
    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
OSSCORISquare Head BoltGrade 5Plain3/4-10 x 33/4-10x3 square hd mach bolt grade 5 b18.2.14
    Contact_Supplier
QFCTXSquare Head BoltGrade 5Zinc/Clear3/4-10 x 53/4-10x5 sq head bolt gr5 zinc b18.2.14
    Contact_Supplier
THRDFASTFLSquare Head BoltGrade 5Plain3/8-16 x 2gr5 square hd bolt b18.2.110
    Contact_Supplier
THRDFASTTNSquare Head BoltGrade 5Plain1-8 x 8gr5 square hd bolt b18.2.13
    Contact_Supplier
THRDFASTALSquare Head BoltGrade 5Galvanized3/4-10 x 3gr5 square hd bolt hdg b18.2.12
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain1-8 x 5 1/21-8 x 5 1/2 square mach.bolt gr-5 b18.2.112
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain1 1/4-7 x 141-1/4-7 x 14 square mach.bolt gr-5 b18.2.12
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain1 1/4-7 x 41-1/4-7 x 4 square mach.bolt gr-5 b18.2.110
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain5/8-11 x 3 1/25/8-11 x 3 1/2 square mach.bolt gr-5 b18.2.13
    Contact_Supplier
KBSTNSquare Head BoltGrade 5Plain7/8-9 x 87/8-9 x 8 square mach.bolt gr-5 b18.2.120
    Contact_Supplier
THRDFASTFLSquare Head BoltGrade 5Plain7/8-9 x 5gr5 square hd bolt b18.2.110
    Contact_Supplier

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