What are rod coupling nuts used for?

Rod coupling nuts are used to connect two threaded rods, creating a strong and secure connection. They are commonly used in construction and industrial applications where long threaded rods need to be joined together.

How do I choose the right rod coupling nut?

To choose the right rod coupling nut, consider the size of the threaded rods you will be joining, the material and application. Make sure that the coupling nut is compatible with the threaded rods being used and tightened securely to ensure a strong and reliable connection.

How do I install a rod coupling nut?

To install a rod coupling nut, simply thread it onto the end of one threaded rod and tighten it down securely using a wrench. Then, thread the other rod into the open end of the nut and tighten it down securely. Make sure that the nut is tightened evenly to ensure a strong and reliable connection.

How do I prevent rod coupling nuts from loosening over time?

Ensure that they are tightened securely using a wrench and check them periodically for signs of wear or damage. Additionally, you can use locking washers or thread-locking adhesive to provide extra security.

How to ensure safety while using rod coupling nuts?

Wear appropriate personal protective equipment and ensure that the nuts are securely tightened to prevent movement or detachment. Make sure that the load requirements and environmental conditions are within the capabilities of the coupling nuts to prevent failure or damage.

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Rod Coupling Nuts

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APPROVED VENDOR -

Black Oxide Grade 2H Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Tensile Strength	Yield Strength	Hardness	Price
A	205121BG	1 1/2"-6	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€90.50
B	204388BG	1 1/4"-7	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€68.20
C	205123BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€59.55
D	205392BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€45.40
E	201959BG	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€50.99
F	204390BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€48.94
G	205427BG	3/8"-16	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€52.71
H	205314BG	5/8"-11	Fully Threaded	Right Hand	Coupling	Coarse	125000 psi	110000 psi	Rockwell 28	€46.93

COOPER B-LINE -

Polyurethane Rod Coupling Nuts

Style	Model	Thread Size	Thread Direction	Type	Material	Finish
A	BFVATRHN1/2	1/2"-13	Right Hand	ATR	Glass Reinforced Polyurethane	Fiberglass	RFQ
A	BFVATRHN3/8	3/8"-16	Right Hand	ATR	Glass Reinforced Polyurethane	-	RFQ

APPROVED VENDOR -

Zinc Chromate Grade 5 Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Type	Thread Style	Thread Direction	Type	Tensile Strength	Yield Strength	Price	Pkg. Qty.
A	204599BG	#8-32	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€36.54	4
B	204600BG	#10-24	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€36.78	4
C	204601BG	#10-32	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€39.30	4
D	204408BG	1 1/2"-6	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€59.69	1
E	250197BG	1 1/4"-7	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€63.80	2
F	250195BG	1 1/8"-7	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€58.34	2
G	250193BG	1"-8	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€45.43	2
H	250184BG	1/2"-13	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€28.53	5
I	204602BG	1/2"-20	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€39.02	4
J	250180BG	1/4"-20	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€35.82	5
K	204603BG	1/4"-28	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€41.29	5
L	250188BG	3/4"-10	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€22.91	2
M	204608BG	3/4"-16	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€21.32	2
N	250182BG	3/8"-16	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€31.98	5
O	204606BG	3/8"-24	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€56.15	5
P	250186BG	5/8"-11	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€17.59	2
Q	204614BG	5/8"-18	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€18.36	2
R	204604BG	5/16"-18	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€38.10	5
S	204605BG	5/16"-24	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€40.50	5
T	250191BG	7/8"-9	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€41.29	2
U	204609BG	7/16"-14	Coarse	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€54.56	5
V	204607BG	7/16"-20	Fine	Fully Threaded	Right Hand	Coupling	105000 psi	90000 psi	€54.96	5

APPROVED VENDOR -

Plain Grade 18-8 Stainless Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Type	Thread Style	Thread Direction	Type	Tensile Strength	Yield Strength	Price	Pkg. Qty.
A	250257BG	#8-32	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€46.81	5
B	250259BG	#10-24	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€41.60	5
C	250436BG	#10-32	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€35.85	5
D	250246BG	1"-8	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€47.71	1
E	250426BG	1/2"-20	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€20.27	2
F	1HY24	1/4"-20	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€35.04	10
G	250417BG	1/4"-28	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€29.22	5
H	250432BG	3/4"-16	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€37.09	2
I	250421BG	3/8"-24	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€36.96	5
J	250430BG	5/8"-18	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€35.09	2
K	250419BG	5/16"-24	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€32.09	5
L	250244BG	7/8"-9	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€39.27	1
K	250229BG	7/16"-14	Coarse	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€46.32	5
M	250424BG	7/16"-20	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€46.66	5
N	205833BG	M4 x 7	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€24.23	1
O	204594BG	M6 x 1	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€10.95	1
P	204595BG	M8 x 1.25	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€11.25	1
Q	204596BG	M10 x 1.5	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€12.13	1
R	204597BG	M12 x 1.75	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€13.10	1
S	205834BG	M16 x 2	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€23.87	1
T	205817BG	M20 x 2.5	Fine	Fully Threaded	Right Hand	Coupling	80000 psi	50000 psi	€22.83	1

Zinc Chromate Grade 2 Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Thread Size A	Thread Size B	Class	Price	Pkg. Qty.
A	250167BG	#4-40	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€36.51	10
B	205828BG	#8-32	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€31.45	5
C	205837BG	#10-24	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€27.18	5
D	205830BG	#10-32	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€36.66	5
E	250146BG	1 1/2"-6	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€32.19	1
F	250406BG	1 1/2"-12	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€36.97	1
G	250135BG	1 1/4"-7	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€53.49	2
H	250403BG	1 1/4"-12	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€33.56	1
I	250153BG	1 3/4"-5	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€60.71	1
J	203098BG	1"-8	Partially Threaded	Right Hand, Left Hand	Coupling	Coarse	-	-	-	€72.34	1
K	250505BG	1"-8	Partially Threaded	Right Hand	Coupling	Coarse	-	-	-	€61.08	1
L	250472BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€45.95	2
M	250567BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€43.84	2
N	250398BG	1"-14	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€29.13	2
O	250559BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€41.32	10
P	250464BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€68.73	10
Q	250539BG	1/2"-13	Partially Threaded	Right Hand, Left Hand	Coupling	Coarse	-	-	-	€29.33	2
R	250497BG	1/2"-13	Partially Threaded	Right Hand	Coupling	Coarse	-	-	-	€23.07	2
S	250668BG	1/2"-13, 1/4"-20	Fully Threaded	Right Hand	Standard	Coarse	1/2"-13	1/4"-20	-	€48.81	10
T	250693BG	1/2"-13, 3/4"-10	Fully Threaded	Right Hand	Standard	Coarse	3/4"-10	1/2"-13	-	€58.34	10
U	250380BG	1/2"-20	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€20.53	5
V	203544BG	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€61.48	5
W	1JA53	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	-	-	-	€4.69	10
X	250662BG	1/4"-20, 5/16"-18	Fully Threaded	Right Hand	Standard	Coarse	5/16"-18	1/4"-20	-	€51.48	10
Y	205831BG	1/4"-28	Fully Threaded	Right Hand	Coupling	Fine	-	-	-	€64.07	5

APPROVED VENDOR -

Plain Brass Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Tensile Strength	Material	Finish	Price	Pkg. Qty.
A	250017BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€37.86	5
B	250011BG	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€29.55	5
C	250019BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€44.03	2
D	250015BG	3/8"-16	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€33.77	5
E	250018BG	5/8"-11	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€27.86	2
F	250012BG	5/16"-18	Fully Threaded	Right Hand	Coupling	Coarse	50 psi	Brass	Plain	€33.55	5

GRAINGER -

Zinc Plated Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Direction	Type	Thread Type	Material	Finish	Price	Pkg. Qty.
A	M11400.050.0001	M5 x 0.8	Right Hand	Standard	Metric	Steel	Zinc Plated	€16.24	100
B	M11400.080.0001	M8 x 1.25	Right Hand	Standard	Metric	Steel	Zinc Plated	€32.60	100
C	M11400.100.0001	M10 x 1.5	Right Hand	Standard	Metric	Steel	Zinc Plated	€35.24	50

APPROVED VENDOR -

Zinc Chromate Grade 8 Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Tensile Strength	Yield Strength	Price	Pkg. Qty.
A	205827BG	1 1/2"-6	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€97.04	1
B	205826BG	1 1/4"-7	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€62.74	1
C	205825BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€57.56	1
D	205822BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€54.37	2
E	205820BG	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€42.42	2
F	205271BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€56.83	2
G	205821BG	3/8"-16	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€23.23	2
H	205823BG	5/8"-11	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€38.92	1
I	205824BG	7/8"-9	Fully Threaded	Right Hand	Coupling	Coarse	150000 psi	135000 psi	€58.19	1

APPROVED VENDOR -

Plain Grade 316 Stainless Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Tensile Strength	Yield Strength	Price	Pkg. Qty.
A	250273BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€76.67	1
B	250267BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€31.72	2
C	250262BG	1/4"-20	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€38.22	2
D	250270BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€62.69	2
E	250264BG	3/8"-16	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€21.54	2
F	250269BG	5/8"-11	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€45.23	2
G	250272BG	7/8"-9	Fully Threaded	Right Hand	Coupling	Coarse	95000 psi	65000 psi	€64.53	1

FABORY -

Zinc Plated Grade A Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Direction	Type	Thread Type	Material	Grade	Finish	Price	Pkg. Qty.
A	U11400.019.0075	#10-24	Right Hand	Standard	Coarse	Steel	Grade A	Zinc Plated	€6.36	1
B	U11400.050.0175	1/2"-13	Right Hand	Standard	Coarse	Steel	Grade A	Zinc Plated	€6.52	10
C	U11400.075.0225	3/4"-10	Right Hand	Standard	Coarse	Steel	Grade A	Zinc Plated	€5.54	2
D	U11400.037.0175	3/8"-16	Right Hand	Standard	Coarse	Steel	Grade A	Zinc Plated	€7.66	10
E	U11400.062.0212	5/8"-11	Right Hand	Standard	Coarse	Steel	Grade A	Zinc Plated	€3.60	2

APPROVED VENDOR -

Hot Dipped Galvanized Grade 2 Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Style	Thread Direction	Type	Thread Type	Tensile Strength	Yield Strength	Price	Pkg. Qty.
A	250306BG	1 1/2"-6	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€78.85	2
B	250302BG	1 1/4"-7	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€57.32	2
C	250301BG	1 1/8"-7	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€52.33	2
D	250299BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€28.12	2
E	250298BG	1"-8	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€24.88	2
F	250288BG	1/2"-13	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€21.85	5
G	250294BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€23.72	2
H	250292BG	3/4"-10	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€15.40	2
I	250285BG	3/8"-16	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€21.08	5
J	250290BG	5/8"-11	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€29.84	5
K	250295BG	7/8"-9	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€27.71	2
L	250286BG	7/16"-14	Fully Threaded	Right Hand	Coupling	Coarse	50000 psi	40000 psi	€23.45	5

GRAINGER -

Zinc Plated Grade 18-8 Steel Rod Coupling Nuts

Style	Model	Thread Size	Thread Direction	Type	Thread Type	Material	Grade	Finish	Price	Pkg. Qty.
A	M11400.060.0001	M6 x 1	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€24.97	100
B	M11400.120.0001	M12 x 1.75	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€68.49	50
C	M11400.140.0001	M14 x 2	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€56.11	25
D	M11400.160.0001	M16 x 2	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€70.46	25
E	M11400.200.0001	M20 x 2.5	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€60.86	10
F	M11400.240.0001	M24 x 3	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€59.22	5
G	M11400.270.0001	M27 x 3	Right Hand	Standard	Metric	Steel	Grade 18-8	Zinc Plated	€93.82	5

GRAINGER -

Coupling Nut, 8-32 Thread Size, Steel, 5/8 In Lg., Gr. 2, Zn Plated, Right Hand, 10 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA47	CP9BJK	€18.15
10

GRAINGER -

Coupling Nut, 5/16 In - 18 Thread Size, Steel, 7/8 In Lg., Gr. 2, Zn Plated, Right Hand, 10 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA59	CP9BKC	€6.20
10

GRAINGER -

Coupling Nut, 5/8 In - 11 Thread Size, Steel, 2 1/8 In Lg., Gr. 2, Zn Plated, Right Hand, 10 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA89	CP9BKE	€20.25
10

GRAINGER -

Coupling Nut, 5/8 In - 18 Thread Size, Steel, 2 1/8 In Lg., Gr. 2, Zn Plated, Right Hand, 5 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA95	CP9BKF	€17.14
5

GRAINGER -

Coupling Nut, 7/16 In - 14 Thread Size, Steel, 1 3/4 In Lg., Gr. 2, Zn Plated, Right Hand, 10 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA73	CP9BKH	€14.72
10

GRAINGER -

Coupling Nut, 7/8 In - 9 Thread Size, Steel, 2 1/2 In Lg., Gr. 2, Zn Plated, Right Hand, 5 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JB19	CP9BKK	€42.18
5

GRAINGER -

Coupling Nut, 10-32 Thread Size, Steel, 3/4 In Lg., Gr. 2, Zn Plated, Right Hand, 10 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JA51	CP9BLE	€5.19
10

GRAINGER -

Coupling Nut, 3/4 In - 16 Thread Size, Steel, 2 1/4 In Lg., Gr. 2, Zn Plated, Right Hand, 5 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1JB17	CP9BJY	€24.04
5

GRAINGER -

Coupling Nut, 3/4 In - 10 Thread Size, SS, 2 1/4 In Lg., Gr. 18-8, Plain, 2 Pk

Model	Item	Price (ex. VAT)	Pkg. Qty.
1HY52	CP9BHV	€42.00
2

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