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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 6.50
#8-32 5/8" A Zinc 37808 EA 1.57
#10-24 3/4" A Zinc 37810 EA 0.68
#10-32 3/4" A Zinc 37812 EA 0.56
1/4"-20 7/8" A Zinc 1137815 PKG 15.11
1/4"-20 7/8" A Zinc 37815 EA 0.60
1/4"-20 1-3/4" A Zinc 1137816 PKG 42.25
1/4"-20 1-3/4" A Zinc 37816 EA 1.79
1/4"-28 7/8" A Zinc 0148071 EA 0.60
5/16"-18 7/8" A Zinc 1137817 PKG 21.88
5/16"-18 7/8" A Zinc 37817 EA 0.88
5/16"-18 1-1/8" A Zinc 0148072 EA 0.99
5/16"-18 1-3/4" A Zinc 37818 EA 1.74
5/16"-18 1-3/4" A Zinc 1137818 PKG 43.50
5/16"-24 7/8" A Zinc 0148073 EA 1.87
5/16"-24 7/8" A Zinc 0169134 EA 5.57
3/8"-16 1-1/8" A Zinc 1137819 PKG 19.50
3/8"-16 1-1/8" A Zinc 37819 EA 1.30
3/8"-16 1-3/4" A Zinc 1137820 PKG 19.50
3/8"-16 1-3/4" A Zinc 37820 EA 1.44
3/8"-16 1-3/4" A Hot Dip Galvanized 0189562 EA 5.78
3/8"-24 1-1/8" A Zinc 0169135 EA 6.95
3/8"-24 1-3/4" A Zinc 0148074 EA 3.43
7/16"-14 1-1/4" A Zinc 37821 EA 1.24
7/16"-14 1-3/4" 2 Zinc 3000347 EA 11.55
7/16"-14 1-3/4" A Zinc 37822 EA 2.80
7/16"-20 1-1/4" A Zinc 0169136 EA 9.25
7/16"-20 1-3/4" A Zinc LC07F0056ZP0000 EA 4.31
1/2"-10 1-1/4" Plain 11105306 EA 17.02
1/2"-13 1-1/4" A Zinc 37823 EA 2.05
1/2"-13 1-1/4" A Zinc 1137823 PKG 27.45
1/2"-13 1-3/4" A Zinc 1137824 PKG 24.30
1/2"-13 1-3/4" A Zinc 37824 EA 1.62
1/2"-13 1-3/4" A Hot Dip Galvanized 0189563 EA 6.87
1/2"-20 1-1/4" A Zinc 0169137 EA 10.23
1/2"-20 1-3/4" A Zinc 0148075 EA 3.43
9/16"-18 2-1/8" A Zinc 0169138 EA 22.83
5/8"-8 2-1/8" Plain 11105307 EA 23.44
5/8"-11 2-1/8" A Zinc 37826 EA 2.88
5/8"-11 2-1/8" A Zinc 1137826 PKG 14.40
5/8"-11 2-1/8" A Hot Dip Galvanized 0189564 EA 14.58
5/8"-18 2-1/8" A Zinc 0169139 EA 19.45
3/4"-5 2-1/4" Plain 11105308 EA 26.88
3/4"-6 2-1/4" Plain 11105309 EA 13.53
3/4"-10 2-1/4" A Zinc 1137828 PKG 22.60
3/4"-10 2-1/4" A Zinc 37828 EA 4.80
3/4"-10 2-1/4" A Hot Dip Galvanized 0189565 EA 16.86
3/4"-16 2-1/4" A Zinc 0169140 EA 9.81
7/8"-6 2-1/2" Plain 11105310 EA 74.44
7/8"-9 1-1/4" A Zinc 0148076 CS 388.00
7/8"-9 2-1/2" A Zinc 37830 EA 9.70
7/8"-9 2-1/2" A Zinc 1137830 PKG 29.10
7/8"-9 2-1/2" A Hot Dip Galvanized 0189566 EA 32.43
7/8"-14 2-1/2" A Zinc 0169141 EA 10.39
1"-5 2-3/4" Plain 11105311 EA 52.80
1"-6 2-3/4" Plain 11105312 EA 90.00
1"-8 2-1/2" A Zinc 37832 EA 15.80
1"-8 2-3/4" A Zinc 0148070 EA 24.51
1"-8 2-3/4" A Hot Dip Galvanized 0189567 EA 21.50
1"-14 2-3/4" A Zinc 0169142 EA 54.93
1-1/8"-7 3" A Zinc 0156255 EA 30.70
1-1/8"-7 3" A Hot Dip Galvanized 0189568 EA 63.63
1-1/4"-5 3" Plain 11105316 EA 59.52
1-1/4"-7 3" A Zinc 37834 EA 33.49
1-1/4"-7 3" A Hot Dip Galvanized 0189569 EA 55.14
1-1/2"-6 3-1/2" A Zinc 37836 EA 47.34
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 1.07
M6-1.0 25mm Class 5.8 Zinc 11505539 EA 1.30
M8-1.25 24mm Class 6 Zinc 0161914 EA 1.13
M10-1.5 30mm Class 5.8 Zinc 11505540 EA 6.34
M10-1.5 30mm Class 6 Zinc 0161915 EA 2.47
M12-1.75 36mm Class 6 Zinc 0161916 EA 3.02
M12-1.75 40mm Class 5.8 Zinc 11505541 EA 9.33
M16-2.0 48mm Class 6 Zinc 0161917 EA 5.32
M20-2.5 60mm Class 6 Zinc 0161918 EA 20.58
M24-3.0 72mm Class 6 Zinc 0161919 EA 44.12
M30-1.5 60mm Class 5.8 Zinc 11505542 EA 149.92
M30-3.5 90mm Class 5.8 Zinc 11505529 EA 49.12
M30-3.5 90mm Class 6 Zinc 0161920 EA 76.71
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 6.78
M8-1.25 35mm Class 5.8 Plain 11505406 EA 4.01
M10-1.5 45mm Class 5.8 Plain 11505407 EA 3.26
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 10.99
1/4"-20, 3/4"-10 7/8" A Zinc 37844 EA 20.09
1/4"-20, 3/8"-16 1" A Zinc 1137841 PKG 15.90
1/4"-20, 3/8"-16 1" A Zinc 37841 EA 1.59
5/16"-18, 3/8"-16 1" A Zinc 37851 EA 2.93
3/8"-16, 1/2"-13 1-1/8" A Zinc 1137845 PKG 19.70
3/8"-16, 1/2"-13 1-1/8" A Zinc 37845 EA 1.97
3/8"-16, 5/8"-11 1-1/4" A Zinc 37846 EA 5.12
1/2"-10, 3/4"-13 1-1/2" A Zinc 37849 EA 10.33
1/2"-13, 5/8"-11 1-1/4" A Zinc 37848 EA 4.33
5/8"-10, 3/4"-11 1-1/2" A Zinc 37850 EA 6.83
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 3.40
1/2"-13 1-1/2" A Zinc 11103718 EA 4.33
5/8"-11 1-7/8" A Zinc 11103719 EA 5.92
3/4"-10 2-1/4" A Zinc 11103720 EA 7.85
7/8"-9 2-1/2" A Zinc 11103721 EA 14.08
1"-8 3" A Zinc 11103722 EA 27.25