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Steel Coupling Nuts

The most common material used in fasteners, this material is predominantly iron mixed with carbon. It offers the highest strength compared to other metals and elements, but is the least corrosion resistant. Also known as Carbon Steel.


Type : Coupling Nut
Material : Steel
System of Measurement: Imperial (Inch)
System of Measurement: Imperial (Inch)
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
#6-32 1/2" A Zinc 37806 EA 5.63
#8-32 5/8" A Zinc 37808 EA 1.36
#10-24 3/4" A Zinc 37810 EA 0.59
#10-32 3/4" A Zinc 37812 EA 0.49
1/4"-20 7/8" A Zinc 1137815 PKG 13.08
1/4"-20 7/8" A Zinc 37815 EA 0.52
1/4"-20 1-3/4" A Zinc 1137816 PKG 36.50
1/4"-20 1-3/4" A Zinc 37816 EA 1.55
1/4"-28 7/8" A Zinc 0148071 EA 0.52
5/16"-18 7/8" A Zinc 1137817 PKG 19.08
5/16"-18 7/8" A Zinc 37817 EA 0.76
5/16"-18 1-1/8" A Zinc 0148072 EA 0.86
5/16"-18 1-3/4" A Zinc 1137818 PKG 37.50
5/16"-18 1-3/4" A Zinc 37818 EA 1.50
5/16"-24 7/8" A Zinc 0148073 EA 1.62
5/16"-24 7/8" A Zinc 0169134 EA 4.82
3/8"-16 1-1/8" A Zinc 1137819 PKG 16.80
3/8"-16 1-1/8" A Zinc 37819 EA 1.12
3/8"-16 1-3/4" A Hot Dipped Galvanized 0189562 EA 5.00
3/8"-16 1-3/4" A Zinc 1137820 PKG 16.80
3/8"-16 1-3/4" A Zinc 37820 EA 1.25
3/8"-24 1-1/8" A Zinc 0169135 EA 6.02
3/8"-24 1-3/4" A Zinc 0148074 EA 2.97
7/16"-14 1-1/4" A Zinc 37821 EA 1.07
7/16"-14 1-3/4" 2 Zinc 3000347 EA Call for Price
7/16"-14 1-3/4" A Zinc 37822 EA 2.43
7/16"-20 1-1/4" A Zinc 0169136 EA 8.02
7/16"-20 1-3/4" A Zinc LC07F0056ZP0000 EA 3.73
1/2"-10 1-1/4" Plain 11105306 EA Call for Price
1/2"-13 1-1/4" A Zinc 1137823 PKG 23.70
1/2"-13 1-1/4" A Zinc 37823 EA 1.77
1/2"-13 1-3/4" A Hot Dipped Galvanized 0189563 EA 5.95
1/2"-13 1-3/4" A Zinc 1137824 PKG 21.15
1/2"-13 1-3/4" A Zinc 37824 EA 1.41
1/2"-20 1-1/4" A Zinc 0169137 EA 8.86
1/2"-20 1-3/4" A Zinc 0148075 EA 2.97
9/16"-18 2-1/8" A Zinc 0169138 EA Call for Price
5/8"-8 2-1/8" Plain 11105307 EA Call for Price
5/8"-11 2-1/8" A Hot Dipped Galvanized 0189564 EA 12.63
5/8"-11 2-1/8" A Zinc 1137826 PKG 12.45
5/8"-11 2-1/8" A Zinc 37826 EA 2.49
5/8"-18 2-1/8" A Zinc 0169139 EA 16.84
3/4"-5 2-1/4" Plain 11105308 EA Call for Price
3/4"-6 2-1/4" Plain 11105309 EA 11.71
3/4"-10 2-1/4" A Hot Dipped Galvanized 0189565 EA 14.60
3/4"-10 2-1/4" A Zinc 1137828 PKG 19.55
3/4"-10 2-1/4" A Zinc 37828 EA 4.15
3/4"-16 2-1/4" A Zinc 0169140 EA 8.49
7/8"-6 2-1/2" Plain 11105310 EA Call for Price
7/8"-9 1-1/4" A Zinc 0148076 CS 336.00
7/8"-9 2-1/2" A Hot Dipped Galvanized 0189566 EA 28.08
7/8"-9 2-1/2" A Zinc 1137830 PKG 25.17
7/8"-9 2-1/2" A Zinc 37830 EA 8.39
7/8"-14 2-1/2" A Zinc 0169141 EA 9.00
1"-5 2-3/4" Plain 11105311 EA 45.71
1"-6 2-3/4" Plain 11105312 EA Call for Price
1"-8 2-1/2" A Zinc 37832 EA 13.68
1"-8 2-3/4" A Hot Dipped Galvanized 0189567 EA 18.61
1"-8 2-3/4" A Zinc 0148070 EA 21.22
1"-14 2-3/4" A Zinc 0169142 EA 47.56
1-1/8"-7 3" A Hot Dipped Galvanized 0189568 EA 55.09
1-1/8"-7 3" A Zinc 0156255 EA 26.58
1-1/4"-5 3" Plain 11105316 EA Call for Price
1-1/4"-7 3" A Hot Dipped Galvanized 0189569 EA 47.74
1-1/4"-7 3" A Zinc 37834 EA 28.99
1-1/2"-6 3-1/2" A Zinc 37836 EA 40.99
System of Measurement: Metric
System of Measurement: Metric
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
M6-1.0 18mm Class 6 Zinc 0161913 EA 0.92
M6-1.0 25mm Class 5.8 Zinc 11505539 EA 1.13
M8-1.25 24mm Class 6 Zinc 0161914 EA 0.97
M10-1.5 30mm Class 5.8 Zinc 11505540 EA Call for Price
M10-1.5 30mm Class 6 Zinc 0161915 EA 2.14
M12-1.75 36mm Class 6 Zinc 0161916 EA 2.61
M12-1.75 40mm Class 5.8 Zinc 11505541 EA Call for Price
M16-2.0 48mm Class 6 Zinc 0161917 EA 4.61
M20-2.5 60mm Class 6 Zinc 0161918 EA 17.82
M24-3.0 72mm Class 6 Zinc 0161919 EA 38.20
M30-1.5 60mm Class 5.8 Zinc 11505542 EA Call for Price
M30-3.5 90mm Class 5.8 Zinc 11505529 EA 42.53
M30-3.5 90mm Class 6 Zinc 0161920 EA 66.42
Type : Coupling Nut - Left / Right Hand
Material : Steel
System of Measurement: Metric
System of Measurement: Metric
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
M6-1.0 30mm Class 5.8 Plain 11505405 EA Call for Price
M8-1.25 35mm Class 5.8 Plain 11505406 EA 3.47
M10-1.5 45mm Class 5.8 Plain 11505407 EA 2.83
Type : Coupling Nut - Reducing
Material : Steel
System of Measurement: Imperial (Inch)
System of Measurement: Imperial (Inch)
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
1/4"-20, 3/4"-10 7/8" A Zinc 37842 EA 9.51
1/4"-20, 3/4"-10 7/8" A Zinc 37844 EA 17.40
1/4"-20, 3/8"-16 1" A Zinc 1137841 PKG 13.70
1/4"-20, 3/8"-16 1" A Zinc 37841 EA 1.37
5/16"-18, 3/8"-16 1" A Zinc 37851 EA 2.54
3/8"-16, 1/2"-13 1-1/8" A Zinc 1137845 PKG 17.00
3/8"-16, 1/2"-13 1-1/8" A Zinc 37845 EA 1.70
3/8"-16, 5/8"-11 1-1/4" A Zinc 37846 EA 4.43
1/2"-10, 3/4"-13 1-1/2" A Zinc 37849 EA 8.94
1/2"-13, 5/8"-11 1-1/4" A Zinc 37848 EA 3.75
5/8"-10, 3/4"-11 1-1/2" A Zinc 37850 EA 5.92
Type : Coupling Nut - With Sight Hole
Material : Steel
System of Measurement: Imperial (Inch)
System of Measurement: Imperial (Inch)
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
Dia/Thread Size Length Grade Finish SKU Pkg Qty Price
3/8"-16 1-1/8" A Zinc 11103717 EA 2.94
1/2"-13 1-1/2" A Zinc 11103718 EA 3.75
5/8"-11 1-7/8" A Zinc 11103719 EA 5.12
3/4"-10 2-1/4" A Zinc 11103720 EA 6.79
7/8"-9 2-1/2" A Zinc 11103721 EA Call for Price
1"-8 3" A Zinc 11103722 EA 23.59