FCH News

3 3/4 inch length Square Head Bolts

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 .

21 results, (click on any line for more information)
Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
EndriesWISquare Head BoltGrade 5Plain1 1/8-7 x 3 3/41-1/8-7x3-3/4 grade 5 square head machine bolt plain6
    Contact_Supplier
EndriesWISquare Head BoltSteelPlain1 1/8-7 x 3 3/41 1/8-7x3 3/4 square head machine bolt plain52
    Contact_Supplier
ACCURATEILSquare Head BoltSteelPlain5/8-11 x 3 3/4bolt square machine103
    Contact_Supplier
LibertyILSquare Head BoltSteelZinc/Clear5/8-11 x 3 3/4square m/b57
    Contact_Supplier
AmericanNYSquare Head BoltSteelPlain1-8 x 3 3/4square m/b50
    Contact_Supplier
Alma BoltMISquare Head BoltGrade 2Plain5/8-11 x 3 3/4square bolt362
    Contact_Supplier
Alma BoltMISquare Head BoltGrade 2Plain7/8-9 x 3 3/4square bolt274
    Contact_Supplier
MidStatesMISquare Head BoltGrade 2Plain3/8-16 x 3 3/4square hd bolt49
    Contact_Supplier
ISSCOMOSquare Head BoltGrade 5Plain5/8-11 x 3 3/4244
    Contact_Supplier
MastBoltOHSquare Head BoltGrade 5Plain1 x 3 3/41 x 3-3/4 gr.5 square head thin hd with standard thread dr@3-3/8 w/9/32 hole1000
    Contact_Supplier
MastBoltOHSquare Head BoltGrade 5Plain1 x 3 3/41 x 3-3/4 gr.5 square head thin hd with standard thread dr@3-3/8 w/9/32 hole1000 pcs
    Contact_Supplier
MastBoltOHSquare Head BoltGrade 5Plain1 x 3 3/41 x 3-3/4 gr.5 square head thin hd with standard thread dr@3-3/8 w/9/32 hole1000 pcs
    Contact_Supplier
CNBILSquare Head BoltGrade 2Plain3/4-10 x 3 3/4square m/b gr.223
    Contact_Supplier
FMPMASquare Head BoltSteelPlain7/8-9 x 3 3/4square bolt43
    Contact_Supplier
Valley NuWASquare Head BoltSteelPlain1/2-13 x 3 3/4nc square bolt pl160
    Contact_Supplier
ACCURATEILSquare Head BoltSteelZinc/Clear1/2-13 x 3 3/4square m/b400
    Contact_Supplier
ACCURATEILSquare Head BoltSteelPlain7/8-9 x 3 3/4square m/b450
    Contact_Supplier
ACCURATEILSquare Head BoltSteelPlain1 1/8-7 x 3 3/4square m/b25
    Contact_Supplier
ACCURATEILSquare Head BoltSteelPlain3/4-10 x 3 3/4square m/b400
    Contact_Supplier
ACCURATEILSquare Head BoltSteelZinc/Clear3/8-16 x 3 3/4square m/b150
    Contact_Supplier
ACCURATEILSquare Head BoltSteelPlain5/8-11 x 3 3/4square m/b75
    Contact_Supplier

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