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Coupling Nut

Stainless Steel Coupling Nuts

An iron based material with a minimum of 10.5% chromium. This material is known for its corrosion resistance and has varying strengths depending on the amount of chromium and nickel alloy. The chromium forms a protective layer when exposed to oxygen, keeping the steel underneath from corroding. There are over 150 grades of this material with the 304 and 316 series being the most common.


Type : Coupling Nut
Material : Stainless 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
#4-40 7/16" 18-8 Plain 0172544 EA 13.59
#6-32 1/2" 18-8 Plain 0172546 EA 5.28
#8-32 1/2" 18-8 Plain 0170893 EA 5.46
#10-24 3/4" 18-8 Plain 0170894 EA 3.62
#10-32 3/4" 18-8 Plain 0170895 EA 3.38
1/4"-20 7/8" 18-8 Plain 1170942 PKG 17.60
1/4"-20 7/8" 18-8 Plain 70942 EA 2.39
1/4"-20 7/8" 316 Plain 77942 EA 5.56
1/4"-28 7/8" 18-8 Plain 0170896 EA 3.39
5/16"-18 1" 18-8 Plain 70943 EA 3.45
5/16"-18 1" 316 Plain 77943 EA 8.14
5/16"-24 1" 18-8 Plain 0170897 EA 6.81
3/8"-16 1-1/8" 18-8 Plain 1170944 PKG 16.20
3/8"-16 1-1/8" 18-8 Plain 70944 EA 2.29
3/8"-16 1-1/8" 316 Plain 77944 EA 8.87
3/8"-24 1-1/8" 18-8 Plain 0172549 EA 9.33
7/16"-14 1-5/16" 18-8 Plain 0170898 EA 9.87
7/16"-20 1-5/16" 18-8 Plain 0172550 EA 20.75
1/2"-13 1-1/4" 18-8 Plain 1170945 PKG 14.26
1/2"-13 1-1/4" 18-8 Plain 70945 EA 6.18
1/2"-13 1-1/4" 316 Plain 77945 EA 11.62
1/2"-20 1-1/4" 18-8 Plain 0170899 EA 11.48
5/8"-11 1-3/4" 18-8 Plain 70946 EA 17.39
5/8"-11 1-3/4" 316 Plain 77946 EA 27.30
5/8"-18 1-3/4" 18-8 Plain 0172551 EA 50.81
3/4"-10 2" 18-8 Plain 70947 EA 27.55
3/4"-10 2" 316 Plain 77947 EA 47.05
3/4"-10 2-1/4" 18-8 Plain 0172552 EA 63.70
7/8"-9 2-1/2" 18-8 Plain 70948 EA 53.45
1"-8 2-1/2" 18-8 Plain 70949 EA 59.51
1"-8 2-1/2" 316 Plain 77949 EA 90.65
1-1/4"-7 3" 18-8 Plain 0170900 EA 125.15
1-1/2"-6 3-1/2" 18-8 Plain 0172554 EA 244.31
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
M8-1.25 24mm Class 5.8 Plain 11506099 EA 5.08