Stainless Steel Coupling Nuts

Rod Coupling Nut, or Extension Nut, in 304 Stainless Steel

Join two male threads
Commonly used with threaded rod
Also known as Extension Nuts
Available in reducer versions to connect two different sizes
Make longer rod assemblies from shorter lengths
Fine or coarse thread

Nut Sizes	Flats	Length
#4	5/16"	7/16"
#6	5/16"	1/2"
#8	5/16"	1/2"
#10	5/16" (#10-24), 3/8" (#10-32)	3/4"
#12	7/16"	3/4"
1/4"	3/8"	7/8"
5/16"	7/16"	1"
3/8"	1/2"	1-1/8"
7/16"	9/16"	1-1/4"
1/2"	5/8"	1-1/4"
5/8"	7/8"	1-3/4"
3/4"	1"	2"
3/4"	1"	2-1/4"
7/8"	1-1/4"	2-1/2"
1"	1-3/8"	2-1/2"
1-1/8"	1-1/2"	3"
1-1/4"	1-5/8"	3"
1-1/2"	2"	3-1/2"

This item qualifies for FREE SHIPPING on orders $250+

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Select Package Quantity

Coupling Nut 304 SS - 4/40 Thread x 5/16 Flats x 7/16 Long

SKU #600002

1
$8.15 (8.15/ea)

25
$195.50 (7.82/ea)

100
$749.00 (7.49/ea)

1000
$7,460.00 (7.46/ea)

Subtotal: $0.00 /

Coupling Nut 304 Stainless Steel #6-32

SKU #600012

1
$1.60 (1.6/ea)

25
$39.75 (1.59/ea)

100
$105.00 (1.05/ea)

1000
$1,000.00 (1/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 8/32 Thread x 5/16 Flats x 1/2 Long

SKU #600022

1
$5.66 (5.66/ea)

25
$42.75 (1.71/ea)

100
$108.00 (1.08/ea)

1000
$1,030.00 (1.03/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 10/24 Thread x 5/16 Flats x 3/4 Long

SKU #600032

1
$2.28 (2.28/ea)

25
$45.25 (1.81/ea)

100
$112.00 (1.12/ea)

1000
$1,060.00 (1.06/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 10/32 Thread x 3/8 Flats x 3/4 Long

SKU #600042

1
$2.02 (2.02/ea)

25
$46.00 (1.84/ea)

100
$115.00 (1.15/ea)

1000
$1,090.00 (1.09/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 12/24 Thread x 3/8 Flats x 3/4 Long

SKU #600052

1
$21.93 (21.93/ea)

25
$493.25 (19.73/ea)

100
$1,740.00 (17.4/ea)

1000
$16,530.00 (16.53/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1/4-20 Thread x 3/8 Flats x 7/8 Long

SKU #600062

1
$1.70 (1.7/ea)

25
$39.75 (1.59/ea)

100
$146.00 (1.46/ea)

1000
$1,340.00 (1.34/ea)

Subtotal: $0.00 /

Coupling Nut 304 Stainless Steel 1/4"-28

SKU #1068-1

1
$2.79 (2.79/ea)

25
$67.50 (2.7/ea)

100
$259.00 (2.59/ea)

1000
$2,570.00 (2.57/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 5/16-18 Thread x 7/16 Flats x 1 Long

SKU #600082

1
$1.60 (1.6/ea)

25
$34.50 (1.38/ea)

100
$98.00 (0.98/ea)

1000
$930.00 (0.93/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 5/16-24 Thread x 7/16 Flats x 1 Long

SKU #600092

1
$3.33 (3.33/ea)

25
$72.25 (2.89/ea)

100
$185.00 (1.85/ea)

1000
$1,760.00 (1.76/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 3/8-16 Thread x 1/2 Flats x 1-1/8 Long

SKU #600102

1
$2.19 (2.19/ea)

25
$48.25 (1.93/ea)

100
$134.00 (1.34/ea)

1000
$1,250.00 (1.25/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 3/8-24 Thread x 1/2 Flats x 1-1/8 Long

SKU #600112

1
$3.84 (3.84/ea)

25
$89.25 (3.57/ea)

100
$240.00 (2.4/ea)

1000
$2,280.00 (2.28/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 7/16-14 Thread x 9/16 Flats x 1-1/4 Long

SKU #600122

1
$5.10 (5.1/ea)

25
$110.75 (4.43/ea)

100
$383.00 (3.83/ea)

1000
$3,640.00 (3.64/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 7/16-20 Thread x 9/16 Flats x 1-1/4 Long

SKU #600132

1
$11.73 (11.73/ea)

25
$281.00 (11.24/ea)

100
$757.00 (7.57/ea)

1000
$7,190.00 (7.19/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1/2-13 Thread x 5/8 Flats x 1-1/4 Long

SKU #600142

1
$3.57 (3.57/ea)

25
$77.75 (3.11/ea)

100
$197.00 (1.97/ea)

1000
$1,870.00 (1.87/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1/2-20 Thread x 5/8 Flats x 1-1/4 Long

SKU #600152

1
$8.15 (8.15/ea)

25
$162.50 (6.5/ea)

100
$422.00 (4.22/ea)

1000
$4,010.00 (4.01/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 5/8-11 Thread x 7/8 Flats x 1-3/4 Long

SKU #600172

1
$15.28 (15.28/ea)

25
$347.25 (13.89/ea)

100
$959.00 (9.59/ea)

1000
$9,110.00 (9.11/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 5/8-18 Thread x 7/8 Flats x 1-3/4 Long

SKU #600182

1
$25.49 (25.49/ea)

25
$555.25 (22.21/ea)

100
$1,495.00 (14.95/ea)

1000
$14,200.00 (14.2/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 3/4-10 Thread x 1 Flats x 2 Long

SKU #600192

1
$23.29 (23.29/ea)

25
$529.25 (21.17/ea)

100
$1,514.00 (15.14/ea)

1000
$14,400.00 (14.4/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 3/4-10 Thread x 1 Flats x 2-1/4 Long

SKU #600202

1
$23.29 (23.29/ea)

25
$529.25 (21.17/ea)

100
$1,514.00 (15.14/ea)

1000
$14,400.00 (14.4/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 7/8-9 Thread x 1-1/4 Flats x 2-1/2 Long

SKU #600212

1
$38.23 (38.23/ea)

25
$832.75 (33.31/ea)

100
$2,429.00 (24.29/ea)

1000
$23,080.00 (23.08/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1-8 Thread x 1-3/8 Flats x 2-1/2 Long

SKU #600222

1
$44.87 (44.87/ea)

25
$1,003.75 (40.15/ea)

100
$2,730.00 (27.3/ea)

1000
$25,800.00 (25.8/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1-1/8 -7 Thread x 1-1/2 Flats x 3 Long

SKU #600232

1
$66.39 (66.39/ea)

25
$1,508.75 (60.35/ea)

100
$4,064.00 (40.64/ea)

1000
$38,600.00 (38.6/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1-1/4 -7 Thread x 1-5/8 Flats x 3 Long

SKU #600242

1
$83.29 (83.29/ea)

25
$1,893.00 (75.72/ea)

100
$5,099.00 (50.99/ea)

1000
$48,440.00 (48.44/ea)

Subtotal: $0.00 /

Coupling Nut 304 SS - 1-1/2 -6 Thread x 2 Flats x 3-1/2 Long

SKU #600252

1
$127.45 (127.45/ea)

25
$2,829.75 (113.19/ea)

100
$7,622.00 (76.22/ea)

1000
$72,400.00 (72.4/ea)

Subtotal: $0.00 /

Frequently Used With

MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz. 1050-106

Our Price: $18.11

Subtotal: $0.00 /

MRO Solution 1000 - Food Grade Anti-Seize Lubricant - 8 oz. 1050-104

Our Price: $21.74

Subtotal: $0.00 /

Stainless Steel Coupling Nuts

Rod Coupling Nut, or Extension Nut, in 304 Stainless Steel

Frequently Used With

Product Specifications

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