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Coupling Nut

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 8.57
#8-32 5/8" A Zinc 37808 EA 1.53
#10-24 3/4" A Zinc 37810 EA 0.68
#10-32 3/4" A Zinc 37812 EA 0.68
1/4"-20 7/8" A Zinc 1137815 PKG 15.34
1/4"-20 7/8" A Zinc 2137815 PKG 3.50
1/4"-20 7/8" A Zinc 37815 EA 0.37
1/4"-20 1-3/4" A Zinc 1137816 PKG 48.25
1/4"-20 1-3/4" A Zinc 2137816 EA 3.50
1/4"-20 1-3/4" A Zinc 37816 EA 1.93
1/4"-28 7/8" A Zinc 0148071 EA 0.64
5/16"-18 7/8" A Zinc 1137817 PKG 23.17
5/16"-18 7/8" A Zinc 2137817 PKG 3.50
5/16"-18 1-1/8" A Zinc 0148072 EA 0.90
5/16"-18 1-3/4" A Zinc 37818 EA 1.75
5/16"-18 1-3/4" A Zinc 2137818 EA 3.50
5/16"-18 1-3/4" A Zinc 1137818 PKG 43.75
5/16"-24 7/8" A Zinc 0148073 EA 2.03
3/8"-16 1-1/8" A Zinc 1137819 PKG 21.15
3/8"-16 1-1/8" A Zinc 2137819 EA 3.50
3/8"-16 1-1/8" A Zinc 37819 EA 1.23
3/8"-16 1-3/4" A Zinc 1137820 PKG 23.40
3/8"-16 1-3/4" A Zinc 2137820 EA 3.50
3/8"-16 1-3/4" A Zinc 37820 EA 1.57
3/8"-16 1-3/4" A Hot Dip Galvanized 0189562 EA 3.29
3/8"-24 1-1/8" A Zinc 0169135 EA 4.31
3/8"-24 1-3/4" A Zinc 0148074 EA 3.46
7/16"-14 1-1/4" A Zinc 37821 EA 1.37
7/16"-14 1-3/4" A Zinc 37822 EA 2.66
7/16"-20 1-1/4" A Zinc 0169136 EA 7.48
1/2"-13 1-1/4" A Zinc 2137823 EA 3.50
1/2"-13 1-1/4" A Zinc 37823 EA 1.81
1/2"-13 1-1/4" A Zinc 1137823 PKG 23.55
1/2"-13 1-3/4" A Zinc 37824 EA 1.31
1/2"-13 1-3/4" A Zinc 1137824 PKG 28.50
1/2"-13 1-3/4" A Zinc 2137824 EA 3.50
1/2"-13 1-3/4" A Hot Dip Galvanized 0189563 EA 3.36
1/2"-20 1-1/4" A Zinc 0169137 EA 6.19
1/2"-20 1-3/4" A Zinc 0148075 EA 3.77
9/16"-18 2-1/8" A Zinc 0169138 EA 24.20
5/8"-8 2-1/8" Plain 11105307 EA 23.28
5/8"-11 2-1/8" A Zinc 1137826 PKG 16.70
5/8"-11 2-1/8" A Zinc 37826 EA 2.33
5/8"-11 2-1/8" A Hot Dip Galvanized 0189564 EA 6.26
5/8"-18 2-1/8" A Zinc 0169139 EA 11.80
3/4"-5 2-1/4" Plain 11105308 EA 30.48
3/4"-6 2-1/4" Plain 11105309 EA 41.76
3/4"-10 2-1/4" A Zinc 37828 EA 3.19
3/4"-10 2-1/4" A Zinc 1137828 PKG 26.25
3/4"-10 2-1/4" A Hot Dip Galvanized 0189565 EA 10.23
3/4"-16 2-1/4" A Zinc 0169140 EA 9.76
7/8"-9 2-1/2" A Zinc 1137830 PKG 32.88
7/8"-9 2-1/2" A Zinc 37830 EA 8.63
7/8"-9 2-1/2" A Hot Dip Galvanized 0189566 EA 24.79
7/8"-14 2-1/2" A Zinc 0169141 EA 20.01
1"-5 2-3/4" Plain 11105311 EA 42.90
1"-6 2-3/4" Plain 11105312 EA 95.26
1"-8 2-1/2" A Zinc 37832 EA 15.65
1"-8 2-3/4" A Zinc 0148070 EA 15.06
1"-8 2-3/4" A Hot Dip Galvanized 0189567 EA 21.34
1"-14 2-3/4" A Zinc 0169142 EA 44.44
1-1/8"-7 3" A Zinc 0156255 EA 22.92
1-1/8"-7 3" A Hot Dip Galvanized 0189568 EA 54.75
1-1/4"-7 3" A Zinc 37834 EA 22.23
1-1/4"-7 3" A Hot Dip Galvanized 0189569 EA 47.23
1-1/2"-6 3-1/2" A Zinc 37836 EA 44.68
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 1.12
M6-1.0 25mm Class 5.8 Zinc 11505539 EA 2.07
M8-1.25 24mm Class 6 Zinc 0161914 EA 1.52
M10-1.5 30mm Class 5.8 Zinc 11505540 EA 8.30
M10-1.5 30mm Class 6 Zinc 0161915 EA 2.63
M12-1.75 36mm Class 6 Zinc 0161916 EA 3.95
M12-1.75 40mm Class 5.8 Zinc 11505541 EA 10.93
M16-2.0 48mm Class 6 Zinc 0161917 EA 6.30
M30-1.5 60mm Class 5.8 Zinc 11505542 EA 174.36
M30-3.5 90mm Class 6 Zinc 0161920 EA 65.88
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
M10-1.5 45mm Class 5.8 Plain 11505407 EA 19.16
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 3.61
1/4"-20, 3/4"-10 7/8" A Zinc 37844 EA 6.19
1/4"-20, 3/8"-16 1" A Zinc 1137841 PKG 16.90
1/4"-20, 3/8"-16 1" A Zinc 2137841 EA 3.50
1/4"-20, 3/8"-16 1" A Zinc 37841 EA 1.64
5/16"-18, 3/8"-16 1" A Zinc 37851 EA 2.74
3/8"-16, 1/2"-13 1-1/8" A Zinc 1137845 PKG 22.40
3/8"-16, 1/2"-13 1-1/8" A Zinc 37845 EA 3.60
3/8"-16, 1/2"-13 1-1/4" A Zinc 2137845 EA 3.50
3/8"-16, 5/8"-11 1-1/4" A Zinc 37846 EA 5.03
1/2"-13, 5/8"-11 1-1/4" A Zinc 1137848 PKG 23.05
1/2"-13, 5/8"-11 1-1/4" A Zinc 37848 EA 2.71
5/8"-10, 3/4"-11 1-1/2" A Zinc 37850 EA 4.92
1/2"-13, 3/4"-10 1-1/2" A Zinc 37849 EA 9.15
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 8.17
1/2"-13 1-1/2" A Zinc 11103718 EA 10.15
5/8"-11 1-7/8" A Zinc 11103719 EA 13.90
3/4"-10 2-1/4" A Zinc 11103720 EA 21.37
1"-8 3" A Zinc 11103722 EA 33.16