1"-8 Turnbuckles | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Thread Size Thread Size	Show

1"-8

	Thread Size Thread Size	Hide

	Turnbuckle Type Turnbuckle Type

Clevis to Clevis

Eye to Eye

Hook to Hook

Threaded Stud to Stud

Hook to Eye

Clevis to Eye

Unthreaded Stub to Stub

	Maximum Adjustment Maximum Adjustment

12"

18"

24"

	Capacity Capacity

2,000 to 9,999 lbs.

10,000 to 19,999 lbs.

Not Rated

	Body Material Body Material

Steel

Stainless Steel

	Extended Length Extended Length

20" to 24.9"

25" to 49.9"

50" or greater

	End Fitting Type End Fitting Type

	Application Application

Not for Lifting

For Lifting

	End Fitting Material End Fitting Material

Steel

Stainless Steel

	Clevis Pin Diameter Clevis Pin Diameter

7/8"

	Body Style Body Style

	Open

	Retracted Length Retracted Length

	Clevis Inside Width Clevis Inside Width

1 3/16"

1 1/4"

1 3/8"

	Thread Direction Thread Direction


Right Hand	Left Hand

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Finish Finish

Galvanized

Zinc Plated

	Material Material

Steel

Stainless Steel

	Specifications Met Specifications Met

ASTM

ASME

	Body Fabrication Body Fabrication

Forged

	End Fitting Finish End Fitting Finish

Galvanized

	End Fitting Fabrication End Fitting Fabrication

Forged

	Clevis Pin Closure Type Clevis Pin Closure Type

Cotter Pin

Bolt and Nut

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85 Products

About Turnbuckles and End Fittings

Clevis-to-Clevis Turnbuckles—Not for Lifting

Galvanized steel have a thick coating for mild corrosion resistance.

316 stainless steel is the most corrosion resistant and has excellent resistance to chemicals and salt water.

Forged bodies and components are stronger than cast bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Galvanized Steel Body with Galvanized Steel Fittings

Turnbuckles
				Clevis Pin						Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Closure Type	Clevis Inside Wd.	Thread Size		Each		Each
10,000	20 1/4"	6"	26 1/4"	7/8"	Cotter Pin	1 3/16"	1"-8	0000000	0000000	00000000	000000
10,000	25 1/2"	12"	37 1/2"	7/8"	Cotter Pin	1 3/16"	1"-8	0000000	000000	00000000	00000
10,000	31 1/2"	18"	49 1/2"	7/8"	Cotter Pin	1 3/16"	1"-8	0000000	000000	00000000	00000

Forged 316 Stainless Steel Body with 316 Stainless Steel Fittings

Turnbuckles
				Clevis Pin						Right-Hand Jam Nuts		Left-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Closure Type	Clevis Inside Wd.	Thread Size		Each		Each		Each
8,000	18"	6"	24"	7/8"	Cotter Pin	1 1/4"	1"-8	0000000	0000000	00000000	00000	00000000	00000

Clevis-to-Clevis Turnbuckles—For Lifting

Made of galvanized steel, these turnbuckles have a thick coating for mild corrosion resistance.

For technical drawings and 3-D models, click on a part number.

Turnbuckles
				Clevis Pin						Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Closure Type	Clevis Inside Wd.	Thread Size		Each		Each
Forged Galvanized Steel Body with Forged Galvanized Steel Fittings
10,000	39 3/4"	24"	63 3/4"	7/8"	Cotter Pin	1 3/8"	1"-8	0000000	0000000	00000000	000000

Eye-to-Eye Turnbuckles—Not for Lifting

Zinc-plated steel and galvanized steel are mildly corrosion resistant.

Forged bodies and components are stronger than cast and wire drawn bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Galvanized Steel Body with Galvanized Steel Fittings

Round Eye

Turnbuckles									Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size		Each		Each
10,000	17"	6"	23"	Round	2"	1"-8	0000000	000000	00000000	000000
10,000	25"	12"	37"	Round	2"	1"-8	0000000	000000	00000000	00000
10,000	31"	18"	49"	Round	2"	1"-8	0000000	000000	00000000	00000

Hook-to-Hook Turnbuckles—Not for Lifting

Zinc-plated steel and galvanized steel are mildly corrosion resistant.

Forged bodies and components are stronger than cast bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Galvanized Steel Body with Galvanized Steel Fittings

Turnbuckles								Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each		Each
5,000	20"	6"	26"	1 1/4"	1"-8	0000000	000000	00000000	000000
5,000	25 1/2"	12"	37 1/2"	1 1/4"	1"-8	0000000	000000	00000000	00000

Threaded Stud-to-Stud Turnbuckles—Not for Lifting

Galvanized steel has a thick coating for mild corrosion resistance.

316 stainless steel is the most corrosion resistant and has excellent resistance to chemicals and salt water.

For technical drawings and 3-D models, click on a part number.

Forged Steel Body with Steel Fittings

Turnbuckles								Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Retracted Stud Lg.	Thread Size		Each		Each
9,800	19"	6"	25"	4 1/2"	1"-8	00000000	000000	00000000	000000
9,800	25"	12"	37"	4 1/2"	1"-8	00000000	00000	00000000	00000
9,800	31"	18"	49"	4 1/2"	1"-8	00000000	000000	00000000	00000

Forged Galvanized Steel Body with Galvanized Steel Fittings

Turnbuckles								Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Retracted Stud Lg.	Thread Size		Each		Each
9,800	19"	6"	25"	4 1/2"	1"-8	0000000	000000	00000000	000000
9,800	25"	12"	37"	4 1/2"	1"-8	0000000	00000	00000000	00000
9,800	31"	18"	49"	4 1/2"	1"-8	0000000	000000	00000000	00000

Forged 316 Stainless Steel Body with 316 Stainless Steel Fittings

Turnbuckles								Left-Hand Jam Nuts		Right-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Retracted Stud Lg.	Thread Size		Each		Each		Each
8,000	18"	6"	24"	4"	1"-8	00000000	0000000	00000000	00000	00000000	00000

Hook-to-Eye Turnbuckles—Not for Lifting

Zinc-plated steel and galvanized steel are mildly corrosion resistant.

Forged bodies and components are stronger than cast bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Galvanized Steel Body with Galvanized Steel Fittings

Round Eye

Turnbuckles										Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each		Each
5,000	19 3/4"	6"	25 3/4"	1 1/4"	Round	2"	1"-8	0000000	000000	00000000	000000
5,000	25 1/4"	12"	37 1/4"	1 1/4"	Round	2"	1"-8	0000000	000000	00000000	00000

Clevis-to-Eye Turnbuckles—Not for Lifting

Galvanized steel has a thick coating for mild corrosion resistance.

Forged bodies and components are stronger than cast bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Galvanized Steel Body with Galvanized Steel Fittings

Round Eye

Turnbuckles
				Clevis Pin								Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Closure Type	Clevis Inside Wd.	Eye Shape	Eye ID	Thread Size		Each		Each
10,000	19 1/4"	6"	25 1/4"	7/8"	Cotter Pin	1 3/16"	Round	2"	1"-8	0000000	0000000	00000000	000000
10,000	25 1/4"	12"	37 1/4"	7/8"	Cotter Pin	1 3/16"	Round	2"	1"-8	0000000	000000	00000000	00000
10,000	31 1/4"	18"	49 1/4"	7/8"	Cotter Pin	1 3/16"	Round	2"	1"-8	0000000	000000	00000000	00000

Unthreaded Stub-to-Stub Turnbuckles—Not for Lifting

Weld these stubs to parts or use to push objects apart instead of pulling them together.

Galvanized steel has a thick coating for mild corrosion resistance.

316 stainless steel is the most corrosion resistant and has excellent resistance to chemicals and salt water.

Forged bodies and components are stronger than cast bodies and components.

For technical drawings and 3-D models, click on a part number.

Forged Steel Body with Steel Fittings

Turnbuckles
				Stub					Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Lg.	Thread Size		Each		Each
9,800	19"	6"	25"	1"	4 1/2"	1"-8	00000000	000000	00000000	000000
9,800	25"	12"	37"	1"	4 1/2"	1"-8	00000000	00000	00000000	00000
9,800	31"	18"	49"	1"	4 1/2"	1"-8	0000000	000000	00000000	00000

Forged Galvanized Steel Body with Galvanized Steel Fittings

Turnbuckles
				Stub					Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Lg.	Thread Size		Each		Each
9,800	19"	6"	25"	1"	4 1/2"	1"-8	0000000	000000	00000000	000000
9,800	25"	12"	37"	1"	4 1/2"	1"-8	0000000	00000	00000000	00000
9,800	31"	18"	49"	1"	4 1/2"	1"-8	0000000	000000	00000000	00000

Forged 316 Stainless Steel Body with 316 Stainless Steel Fittings

Turnbuckles
				Stub					Right-Hand Jam Nuts		Left-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Dia.	Lg.	Thread Size		Each		Each		Each
8,000	18"	6"	24"	1"	4"	1"-8	0000000	0000000	00000000	00000	00000000	00000

Turnbuckle Bodies—Not for Lifting

Galvanized steel bodies have a thick coating for mild corrosion resistance.

316 stainless steel bodies are the most corrosion resistant and have excellent resistance to chemicals and salt water.

Forged bodies are stronger than cast bodies.

For technical drawings and 3-D models, click on a part number.

Forged Steel
Thread Size	Max. Adjustment	Overall Lg.	Capacity, lbs.		Each
1"-8	6"	9"	10,000	00000000	000000
1"-8	12"	15"	10,000	00000000	00000
1"-8	18"	21"	10,000	0000000	00000
Forged Galvanized Steel
1"-8	6"	9"	9,800	00000000	00000
1"-8	12"	15"	9,800	00000000	00000
1"-8	18"	21"	9,800	00000000	00000
Forged 316 Stainless Steel
1"-8	6"	9"	8,000	0000000	000000

Jam Nuts for Turnbuckles

Tighten these nuts against the turnbuckle body to prevent the end fitting from unscrewing.

For Steel Turnbuckles

Grade 2 Steel
Thread Size	Wd.	Ht.	Includes		Each
1"-8	1 15/32"	35/64"	One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut	00000000	000000

For Galvanized Steel Turnbuckles

Grade 2 Galvanized Steel
Thread Size	Wd.	Ht.	Includes		Each
1"-8	1 15/32"	35/64"	One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut	00000000	000000

For 316 Stainless Steel Turnbuckles

			Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Wd.	Ht.		Each		Each
316 Stainless Steel
1"-8	1 1/2"	7/8"	00000000	00000	00000000	00000

Clevis End Fittings for Turnbuckles—Not for Lifting

With Cotter Pin

With Bolt and Nut; Cotter Pin

Galvanized steel fittings have a thick coating for mild corrosion resistance.

316 stainless steel fittings are the most corrosion resistant and have excellent resistance to chemicals and salt water.

Forged fittings are stronger than cast and wire drawn fittings.

For technical drawings and 3-D models, click on a part number.

		Clevis Pin					Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Thread Lg.	Dia.	Closure Type	Clevis Inside Wd.	Overall Lg.	Capacity, lbs.		Each		Each
Forged Galvanized Steel
1"-8	5 3/16"	7/8"	Cotter Pin	1 3/16"	10 1/4"	Not Rated	00000000	000000	00000000	000000
1"-8	8 1/8"	7/8"	Cotter Pin	1 3/16"	13"	Not Rated	00000000	00000	00000000	00000
1"-8	11 1/4"	7/8"	Cotter Pin	1 3/16"	16 1/8"	Not Rated	00000000	00000	00000000	00000
Forged 316 Stainless Steel
1"-8	4 13/16"	7/8"	Bolt and Nut, Cotter Pin	1 1/4"	10 3/16"	8,000	00000000	000000	00000000	000000

Eye End Fittings for Turnbuckles—Not for Lifting

Round Eye

Oval Eye

Galvanized steel fittings have a thick coating for mild corrosion resistance.

316 stainless steel is the most corrosion resistant and has excellent resistance to chemicals and salt water.

Forged fittings are stronger than wire drawn fittings.

Oval eyes provide more room to attach connectors.

For technical drawings and 3-D models, click on a part number.

							Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Thread Lg.	Eye ID	Eye Inside Lg.	Eye Shape	Overall Lg.	Capacity, lbs.		Each		Each
Forged Galvanized Steel
1"-8	5 5/8"	2"	__	Round	9 7/8"	10,000	00000000	000000	00000000	000000
1"-8	8 1/2"	2"	__	Round	12 3/4"	10,000	00000000	00000	00000000	00000
1"-8	11"	2"	__	Round	16"	10,000	00000000	00000	00000000	00000
Forged 316 Stainless Steel
1"-8	5.06"	1 3/8"	3"	Oval	11"	8,000	00000000	000000	00000000	000000

Threaded Stud End Fittings for Turnbuckles—Not for Lifting

Galvanized steel fittings have a thick coating for mild corrosion resistance.

316 stainless steel fittings are the most corrosion resistant and have excellent resistance to chemicals and salt water.

For technical drawings and 3-D models, click on a part number.

				Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Thread Lg.	Overall Lg.	Capacity, lbs.		Each		Each
Galvanized Steel
1"-8	9 1/2"	9 1/2"	9,800	00000000	000000	00000000	000000
1"-8	12 1/2"	12 1/2"	9,800	00000000	00000	00000000	00000
1"-8	15 1/2"	15 1/2"	9,800	00000000	00000	00000000	00000
316 Stainless Steel
1"-8	9"	9"	8,000	00000000	000000	00000000	000000
Steel
1"-8	9 1/2"	9 1/2"	9,800	00000000	00000	00000000	00000
1"-8	12 1/2"	12 1/2"	9,800	00000000	00000	00000000	00000
1"-8	15 1/2"	15 1/2"	9,800	00000000	00000	00000000	00000

Hook End Fittings for Turnbuckles—Not for Lifting

Galvanized steel fittings have a thick coating for mild corrosion resistance.

Forged fittings are stronger than cast and wire drawn fittings.

For technical drawings and 3-D models, click on a part number.

					Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Thread Lg.	Hook Opening Wd.	Overall Lg.	Capacity, lbs.		Each		Each
Forged Galvanized Steel
1"-8	5 3/4"	1 1/4"	10 3/8"	5,000	00000000	000000	00000000	000000
1"-8	8 1/8"	1 1/4"	12 7/8"	5,000	00000000	00000	00000000	00000
1"-8	11"	1 1/4"	16"	5,000	00000000	00000	00000000	00000

Unthreaded Stub End Fittings for Turnbuckles—Not for Lifting

Weld these stubs to parts or use them to push objects apart instead of pulling them together.

316 stainless steel fittings are the most corrosion resistant and have excellent resistance to chemicals and salt water.

For technical drawings and 3-D models, click on a part number.

						Right-Hand Thread Direction		Left-Hand Thread Direction
Thread Size	Thread Lg.	Stub Dia.	Stub Lg.	Overall Lg.	Capacity, lbs.		Each		Each
1035 Carbon Steel
1"-8	5"	1"	4 1/2"	9 1/2"	9,800	00000000	000000	00000000	000000
1"-8	8"	1"	4 1/2"	12 1/2"	9,800	00000000	00000	00000000	00000
1"-8	11"	1"	4 1/2"	15 1/2"	9,800	00000000	00000	00000000	00000
316 Stainless Steel
1"-8	5"	15/16"	4"	9"	8,000	00000000	00000	00000000	00000

Left-Hand to Right-Hand Female Hex Thread Adapters

Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads.

Zinc-plated steel adapters are strong and corrosion resistant.

For technical drawings and 3-D models, click on a part number.

Inch

Thread Size		Thread Lg.		Thread Fit		Hex				Each
(A)	(B)	(A)	(B)	(A)	(B)	Size	Lg.	Hardness		1-9	10-Up
Zinc-Plated Steel
1"-8	1"-8	3 1/4"	3 1/4"	Class 2B	Class 2B	1 5/8"	7"	Rockwell B65	000000000	000000	000000