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Square Nuts

Square nuts have a large surface area, which resists tightening and loosening. Square nuts are commonly used in furniture, metal channels, and railroad applications.


Material : Brass
Grade : Undefined
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
1/4"-20 7/16" 7/32" Plain 0170862 0.78/EA
Material : Stainless Steel
Grade : 18-8
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
#4-40 1/4" 0.098" Plain 0170846 0.54/EA
#6-32 5/16" 0.114" Plain 0170847 0.37/EA
#8-32 11/32" 0.130" Plain 0170848 0.39/EA
#10-24 3/8" 0.130" Plain 0170849 0.57/EA
#10-32 3/8" 0.130" Plain 0170850 0.24/EA
1/4"-20 7/16" 7/32" Plain 0170851 0.58/EA
5/16"-18 9/16" 17/64" Plain 0170852 0.53/EA
3/8"-16 5/8" 21/64" Plain 0170853 2.29/EA
1/2"-13 13/16" 7/16" Plain 0170854 2.79/EA
5/8"-11 1" 35/64" Plain 0170855 16403.20/MPK
3/4"-10 1-1/8" 21/32" Plain 0170856 52.11/EA
7/8"-9 1-5/16" 49/64" Plain 0170857 31568.00/MPK
Material : Stainless Steel
Grade : 316
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
5/16"-18 9/16" 17/64" Plain 0177897 3.51/EA
3/8"-16 5/8" 21/64" Plain 0177898 10.56/EA
1/2"-13 13/16" 7/16" Plain 0177899 14.02/EA
Material : Steel
Grade : 5
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
1/4"-20 1/2" 1/4" Plain 0169928 1.64/EA
5/16"-18 9/16" 17/64" Plain 0169941 0.41/EA
3/8"-16 5/8" 21/64" Plain 0169942 0.52/EA
1/2"-13 13/16" 7/16" Plain 0169944 1.39/EA
1/2"-13 7/8" 1/2" Plain 0169931 1.95/EA
5/8"-11 1" 35/64" Plain 0169945 3.05/EA
5/8"-11 1-1/16" 5/8" Plain 0169932 6.09/EA
3/4"-10 1-1/8" 21/32" Plain 0169946 3.96/EA
3/4"-10 1-1/8" 21/32" Zinc 0169958 4.52/EA
3/4"-10 1-1/4" 3/4" Plain 0169933 13.95/EA
7/8"-9 1-5/16" 49/64" Plain 0169947 5.94/EA
1"-8 1-5/8" 1" Plain 0169935 28.71/EA
1-1/8"-7 1-13/16" 1-1/8" Plain 0169936 30.08/EA
1-1/4"-7 1-7/8" 1-3/32" Plain 0169950 17.77/EA
1-1/4"-7 2" 1-1/4" Plain 0169937 22.58/EA
1-1/2"-6 2-1/4" 1-5/16" Plain 0169951 24.88/EA
System of Measurement Metric
System of Measurement Metric
M6-1.0 10mm 5mm Zinc 0161910 0.21/EA
M8-1.25 13mm 5.75mm - 7.25mm Zinc 0161911 0.39/EA
M10-1.5 17mm 5mm Zinc 0161912 0.70/EA
Material : Steel
Grade : 8
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
1/2"-13 13/16" 7/16" Plain 0169963 1.45/EA
Material : Steel
Grade : A
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
1/4"-20 7/16" 7/32" Hot Dipped Galvanized 0189527 0.26/EA
1/4"-20 7/16" 7/32" Plain 37619 0.10/EA
1/4"-20 7/16" 7/32" Zinc 1137620 5.18/PKG
1/4"-20 7/16" 7/32" Zinc 37620 0.10/EA
1/4"-20 5/8" 3/16" Zinc 11250239 0.10/EA
1/4"-28 7/16" 7/32" Plain 37651 0.16/EA
1/4"-28 7/16" 7/32" Zinc 37652 0.47/EA
5/16"-18 9/16" 17/64" Hot Dipped Galvanized 0189528 0.78/EA
5/16"-18 9/16" 17/64" Plain 37621 0.18/EA
5/16"-18 9/16" 17/64" Zinc 1137622 9.14/PKG
5/16"-18 9/16" 17/64" Zinc 37622 0.18/EA
3/8"-16 5/8" 21/64" Hot Dipped Galvanized 0189529 0.75/EA
3/8"-16 5/8" 21/64" Plain 37623 0.23/EA
3/8"-16 5/8" 21/64" Zinc 1137624 11.94/PKG
3/8"-16 5/8" 21/64" Zinc 37624 0.24/EA
3/8"-24 5/8" 21/64" Zinc 37656 0.64/EA
7/16"-14 3/4" 3/8" Plain 37625 0.49/EA
7/16"-14 3/4" 3/8" Zinc 37626 0.51/EA
1/2"-13 13/16" 7/16" Hot Dipped Galvanized 0189530 1.33/EA
1/2"-13 13/16" 7/16" Plain 37627 0.51/EA
1/2"-13 13/16" 7/16" Zinc 1137628 14.11/PKG
1/2"-13 13/16" 7/16" Zinc 37628 0.56/EA
1/2"-20 13/16" 7/16" Plain 37659 1.11/EA
5/8"-11 1" 35/64" Hot Dipped Galvanized 0189531 2.46/EA
5/8"-11 1" 35/64" Plain 37631 0.96/EA
5/8"-11 1" 35/64" Zinc 1137632 10.60/PKG
5/8"-11 1" 35/64" Zinc 37632 1.06/EA
9/16"-12 7/8" 1/2" Plain 37629 9.38/EA
3/4"-10 1-1/8" 21/32" Hot Dipped Galvanized 0189532 3.72/EA
3/4"-10 1-1/8" 21/32" Plain 37633 1.24/EA
3/4"-10 1-1/8" 21/32" Zinc 1137634 17.10/PKG
3/4"-10 1-1/8" 21/32" Zinc 37634 1.71/EA
7/8"-9 1-5/16" 49/64" Hot Dipped Galvanized 0189533 7.01/EA
7/8"-9 1-5/16" 49/64" Plain 37635 2.44/EA
7/8"-9 1-5/16" 49/64" Zinc 1137636 15.10/PKG
7/8"-9 1-5/16" 49/64" Zinc 37636 3.02/EA
1"-8 1-1/2" 7/8" Hot Dipped Galvanized 0189534 10.42/EA
1"-8 1-1/2" 7/8" Plain 37637 3.51/EA
1"-8 1-1/2" 7/8" Zinc 37638 4.30/EA
1-1/8"-7 1-11/16" 1" Plain 37639 6.73/EA
1-1/8"-7 1-11/16" 1" Zinc 37640 0.41/EA
1-1/4"-7 1-7/8" 1-3/32" Plain 37641 7.66/EA
1-1/4"-7 1-7/8" 1-3/32" Zinc 37642 9.85/EA
1-1/2"-6 2-1/4" 1-5/16" Plain 37645 14.17/EA
1-1/2"-6 2-1/4" 1-5/16" Zinc 37646 19.09/EA
2"-4.5 3" 1-3/4" Plain 0169939 196.22/EA
Material : Steel
Grade : Class 04
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Metric
System of Measurement Metric
M3-0.5 5.5mm 1.8mm Zinc 0161907 0.20/EA
M3-0.5 5.5mm 1.8mm Zinc 11510909 0.12/EA
M4-0.7 7mm 2.7mm Zinc 11510910 0.25/EA
M5-0.8 8mm 2.7mm Zinc 11510911 0.37/EA
M6-1.0 10mm 3.2mm Zinc 11510912 0.49/EA
M8-1.25 13mm 3.52mm - 4.00mm Zinc 11510913 0.61/EA
Material : Steel
Grade : Class 4.6
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Metric
System of Measurement Metric
M4-0.7 7mm 3mm Zinc 0161908 41.77/PKG
M5-0.8 8mm 4mm Zinc 0161909 0.18/EA
M12-1.75 19MM 10mm Zinc 11509257 1.30/EA
Material : Steel
Grade : 2
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
5/16"-18 9/16" 5/16" Plain 0169919 1.15/EA
3/8"-16 11/16" 3/8" Plain 0169920 1.61/EA
1/2"-13 7/8" 1/2" Plain 0169921 4.24/EA
3/4"-10 1-1/4" 3/4" Plain 0169923 1021.00/PKG
1"-8 1-5/8" 1" Plain 0169925 21.06/EA
Material : Steel
Grade : Low Carbon
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
#4-40 1/4" 0.098" Plain 37605 11.23/EA
#4-40 1/4" 0.098" Zinc 37606 0.06/EA
#5-40 5/16" 0.114" Plain 37607 11.23/EA
#5-40 5/16" 0.114" Zinc 37608 0.31/EA
#6-32 5/16" 0.114" Plain 37609 0.09/EA
#6-32 5/16" 0.114" Zinc 37610 0.08/EA
#8-32 11/32" 0.130" Plain 37611 0.04/EA
#8-32 11/32" 0.130" Zinc 37612 0.08/EA
#10-24 3/8" 0.130" Plain 37613 0.08/EA
#10-24 3/8" 0.130" Zinc 37614 0.08/EA
#10-32 3/8" 0.130" Plain 37615 0.06/EA
#10-32 3/8" 0.130" Zinc 37616 0.08/EA
#12-24 7/16" 0.161" Plain 37617 0.07/EA
#12-24 7/16" 0.161" Zinc 37618 0.10/EA
Material : Undefined
Grade : Undefined
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
Dia/Thread Size Wrench Size Thickness Finish SKU Price/UOM
System of Measurement Imperial (Inch)
System of Measurement Imperial (Inch)
1/2"-13 0573120 426.70/EA
3/4"-10 0573122 521.90/EA