FCH News

1 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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHSquare Head BoltGrade APlain1-8 x 41-8x4 square hd bolt a307 stl pln b18.2.1 ()3
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-8 x 20bolt & c/s square boltsquare b18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain1-8 x 16bolt & c/s square boltsquare b18.2.1150
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-14 x 18bolt & c/s square boltb18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain1-8 x 12bolt & c/s square boltsquare b18.2.1200
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-14 x 20bolt & c/s square boltb18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain1-8 x 20bolt & c/s square boltsquare b18.2.1150
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-8 x 16bolt & c/s square boltsquare b18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-14 x 30bolt & c/s square boltb18.2.1400
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-8 x 8bolt & c/s square boltsquare b18.2.1750
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-8 x 10bolt & c/s square boltsquare b18.2.1930
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 8Plain1-8 x 8bolt & c/s square boltsquare b18.2.1350
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-14 x 4 3/4bolt & c/s square boltb18.2.11350
    Contact_Supplier
BIG BOLTILSquare Head BoltGrade 5Plain1-14 x 14bolt & c/s square boltb18.2.1400
    Contact_Supplier
B & K FASTPASquare Head BoltGrade 8Plain1-8 x 3 1/21-8 x 3 1/2 square bolts gr 8 plain b18.2.12
    Contact_Supplier
B & K FASTPASquare Head BoltSteelPlain1-8 x 3 1/21-8 x 3 1/2 square bolts plain b18.2.1305
    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 BoltSteelPlain1-8 x 51-8 x 5 square bolts plain b18.2.1295
    Contact_Supplier
B & K FASTPASquare Head Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 181-8 x 18 square bolts t-304 stainless b18.2.11
    Contact_Supplier
OSSCORISquare Head BoltSteelPlain1-8 x 71-8x7 square hd mach bolt b18.2.13
    Contact_Supplier
Bostwick INSquare Head BoltGrade 8Plain1-14 x 51-14 x 5 square head bolt grade 8 b18.2.130
    Contact_Supplier
Bostwick INSquare Head BoltGrade 8Plain1-14 x 4 1/21-14 x 4-1/2 square head bolt grade 8 b18.2.112
    Contact_Supplier
THRDFASTTNSquare Head BoltGrade 5Plain1-8 x 8gr5 square hd bolt b18.2.13
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized1-8 x 20square hd bolt hdg b18.2.119
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized1-8 x 4square hd bolt hdg b18.2.113
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized1-8 x 5square hd bolt hdg b18.2.158
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized1-8 x 28square hd bolt hdg b18.2.14
    Contact_Supplier
THRDFASTALSquare Head BoltSteelGalvanized1-8 x 12square hd bolt rt6 hdg b18.2.1stock
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 181-8 x 18 square mach bolt gr-8 b18.2.128
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 51-8 x 5 square mach bolt gr-8 b18.2.152
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 151-8 x 15 square!machbolt gr-8 b18.2.12
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 3 1/21-8 x 3 1/2 square mach bolt gr-8 b18.2.120
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 121-8 x 12 square mach bolt gr-8 b18.2.126
    Contact_Supplier
KBSTNSquare Head BoltSteelPlain1-8 x 2 3/41-8 x 2 3/4 square hd mach.bolt b18.2.15
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 6 1/21-8 x 6 1/2 square!machbolt gr-8 b18.2.155
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 6 3/41-8 x 6 3/4 square mach bolt gr-8 b18.2.110
    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 8Plain1-8 x 81-8 x 8 square!machbolt gr-8 b18.2.152
    Contact_Supplier
KBSTNSquare Head BoltGrade 8Plain1-8 x 5 1/21-8 x 5 1/2 square mach bolt gr-8 b18.2.140
    Contact_Supplier

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