Cast Turnbuckles | McMaster-Carr

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	Turnbuckle Type Turnbuckle Type

Unthreaded Stub to Stub

	Body Material Body Material

Stainless Steel

Aluminum

Zinc

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

	Retracted Length Retracted Length

	Maximum Adjustment Maximum Adjustment

	Extended Length Extended Length

	End Fitting Material End Fitting Material

Steel

Stainless Steel

	Body Style Body Style

Open

Closed

	End Fitting Type End Fitting Type

	Capacity Capacity

	Eye ID Eye ID

	Eye Shape Eye Shape

	Round

	Application Application

Not for Lifting

	Clevis Pin Diameter Clevis Pin Diameter

	Body Fabrication Body Fabrication	Show

Cast

	Body Fabrication Body Fabrication	Hide

Forged

Cast

Extruded

	Clevis Inside Width Clevis Inside Width

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	End Fitting Fabrication End Fitting Fabrication

Cast

Wire Drawn

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Hook Opening Width Hook Opening Width

	End Fitting Finish End Fitting Finish

Zinc Plated

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118 Products

About Turnbuckles and End Fittings

Clevis-to-Clevis Turnbuckles—Not for Lifting

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.

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

With Cotter Ring

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
300	5 1/4"	2 1/2"	7 3/4"	3/16"	Cotter Ring	5/16"	10-24	000000000	000000	00000000	00000	0000000	00000
400	6 1/4"	3"	9 1/4"	1/4"	Cotter Ring	3/8"	1/4"-20	000000000	00000	00000000	000	00000000	000
800	7 3/4"	4"	11 3/4"	5/16"	Cotter Ring	3/8"	5/16"-18	000000000	00000	00000000	0000	00000000	0000
1,200	10 3/4"	6"	16 3/4"	3/8"	Cotter Ring	7/16"	3/8"-16	000000000	00000	00000000	0000	00000000	0000
2,200	12"	6"	18"	7/16"	Cotter Ring	9/16"	1/2"-13	000000000	00000	00000000	0000	00000000	0000
2,800	15 3/4"	8"	23 3/4"	5/8"	Cotter Ring	11/16"	5/8"-11	000000000	000000	00000000	0000	00000000	0000
3,500	19 1/2"	10"	29 1/2"	3/4"	Cotter Ring	7/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Eye-to-Eye Turnbuckles—Not for Lifting

Aluminum is lightweight and has good corrosion resistance.

18-8 stainless steel has good 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.

Cast Zinc Body with Zinc-Plated Steel Fittings

Round Eye

Capacity	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size		Each
Not Rated	3 1/2"	1 1/4"	4 3/4"	Round	5/16"	5/32"-32	0000000	00000
Not Rated	4 1/2"	1 5/8"	6 1/8"	Round	5/16"	3/16"-24	0000000	0000
Not Rated	6"	2 3/8"	8 3/8"	Round	7/16"	1/4"-20	0000000	0000
Not Rated	6 3/4"	2 3/4"	9 1/2"	Round	9/16"	5/16"-18	0000000	0000
Not Rated	7 3/4"	3"	10 3/4"	Round	5/8"	3/8"-16	0000000	0000

Cast Aluminum Body with Zinc-Plated Steel Fittings

Round Eye

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	Round	1/4"	8-32	0000000	00000
30	4"	1 1/2"	5 1/2"	Round	5/16"	10-24	0000000	0000
50	4 1/2"	1 7/8"	6 3/8"	Round	3/8"	12-24	0000000	0000
60	5 1/2"	2 1/8"	7 5/8"	Round	7/16"	1/4"-20	0000000	0000
90	6 3/4"	2 1/2"	9 1/4"	Round	9/16"	5/16"-18	0000000	0000
100	7 1/2"	3"	10 1/2"	Round	11/16"	3/8"-16	0000000	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Round Eye

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	Round	1/4"	8-32	00000000	00000
30	4"	1 1/2"	5 1/2"	Round	5/16"	10-24	00000000	0000
50	4 1/2"	1 7/8"	6 3/8"	Round	3/8"	12-24	00000000	0000
60	5 1/2"	2 1/8"	7 5/8"	Round	7/16"	1/4"-20	00000000	00000
90	6 3/4"	2 1/2"	9 1/4"	Round	9/16"	5/16"-18	00000000	00000
100	7 1/2"	3"	10 1/2"	Round	11/16"	3/8"-16	00000000	00000

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

Round Eye

Turnbuckles									Right-Hand Jam Nuts		Left-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size		Each		Each		Each
300	5 1/2"	2 1/2"	8"	Round	3/8"	10-24	00000000	000000	00000000	00000	0000000	00000
400	6 1/2"	3"	9 1/2"	Round	7/16"	1/4"-20	00000000	00000	00000000	000	00000000	000
800	8 1/4"	4"	12 1/4"	Round	1/2"	5/16"-18	00000000	00000	00000000	0000	00000000	0000
1,200	11 1/2"	6"	17 1/2"	Round	5/8"	3/8"-16	00000000	00000	00000000	0000	00000000	0000
2,200	12"	6"	18"	Round	3/4"	1/2"-13	00000000	00000	00000000	0000	00000000	0000
2,800	15 1/2"	8"	23 1/2"	Round	7/8"	5/8"-11	00000000	000000	00000000	0000	00000000	0000
3,500	19"	10"	29"	Round	1 1/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Closed-Body Eye-to-Eye Turnbuckles—Not for Lifting

The closed body protects threads from damage and debris and has a slim profile to fit in tight spaces.

316 stainless steel has good corrosion resistance.

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

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size	Features		Each
300	5 1/2"	2 1/4"	7 3/4"	Round	1/4"	8-32	Jam Nuts	0000000	000000
800	8 1/4"	4 1/2"	12 3/4"	Round	1/4"	12-24	Jam Nuts	0000000	00000
1,200	11 1/2"	6 1/4"	17 3/4"	Round	1/2"	5/16"-18	Jam Nuts	0000000	00000
2,200	12"	6 1/4"	18 1/4"	Round	5/8"	3/8"-16	Jam Nuts	0000000	00000

Hook-to-Eye Turnbuckles—Not for Lifting

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

Aluminum is lightweight and has good corrosion resistance.

18-8 stainless steel has good 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.

Cast Zinc Body with Zinc-Plated Steel Fittings

Round Eye

Capacity	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each
Not Rated	3 1/2"	1 1/4"	4 3/4"	5/16"	Round	5/16"	5/32"-32	0000000	00000
Not Rated	4 1/2"	1 5/8"	6 1/8"	5/16"	Round	5/16"	3/16"-24	0000000	0000
Not Rated	6"	2 3/8"	8 3/8"	7/16"	Round	7/16"	1/4"-20	0000000	0000
Not Rated	6 3/4"	2 3/4"	9 1/2"	9/16"	Round	9/16"	5/16"-18	0000000	0000
Not Rated	7 3/4"	3"	10 3/4"	5/8"	Round	5/8"	3/8"-16	0000000	0000

Cast Aluminum Body with Zinc-Plated Steel Fittings

Round Eye

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	1/4"	Round	1/4"	8-32	00000000	00000
30	4"	1 1/2"	5 1/2"	5/16"	Round	5/16"	10-24	00000000	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	Round	3/8"	12-24	00000000	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	Round	7/16"	1/4"-20	00000000	0000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	Round	9/16"	5/16"-18	00000000	0000
100	7 1/2"	3"	10 1/2"	9/16"	Round	11/16"	3/8"-16	00000000	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Round Eye

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	1/4"	Round	1/4"	8-32	00000000	00000
30	4"	1 1/2"	5 1/2"	5/16"	Round	5/16"	10-24	00000000	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	Round	3/8"	12-24	00000000	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	Round	7/16"	1/4"-20	00000000	00000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	Round	9/16"	5/16"-18	00000000	00000
100	7 1/2"	3"	10 1/2"	9/16"	Round	11/16"	3/8"-16	00000000	00000

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

Round Eye

Turnbuckles										Right-Hand Jam Nuts		Left-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each		Each		Each
100	5 1/2"	2 1/2"	8"	5/16"	Round	3/8"	10-24	00000000	000000	00000000	00000	0000000	00000
200	6 1/2"	3"	9 1/2"	3/8"	Round	7/16"	1/4"-20	00000000	00000	00000000	000	00000000	000
400	8 1/4"	4"	12 1/4"	7/16"	Round	1/2"	5/16"-18	00000000	00000	00000000	0000	00000000	0000
700	11 1/2"	6"	17 1/2"	1/2"	Round	5/8"	3/8"-16	00000000	00000	00000000	0000	00000000	0000
1,000	12"	6"	18"	5/8"	Round	3/4"	1/2"-13	00000000	00000	00000000	0000	00000000	0000
1,600	15 3/4"	8"	23 3/4"	5/8"	Round	7/8"	5/8"-11	00000000	000000	00000000	0000	00000000	0000
2,000	19 1/2"	10"	29 1/2"	1 1/8"	Round	1 1/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Hook-to-Hook Turnbuckles—Not for Lifting

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

Aluminum is lightweight and has good 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.

Cast Zinc Body with Zinc-Plated Steel Fittings

Capacity	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each
Not Rated	3 1/2"	1 1/4"	4 3/4"	5/16"	5/32"-32	0000000	00000
Not Rated	4 1/2"	1 5/8"	6 1/8"	5/16"	3/16"-24	0000000	0000
Not Rated	6"	2 3/8"	8 3/8"	7/16"	1/4"-20	0000000	0000
Not Rated	6 3/4"	2 3/4"	9 1/2"	9/16"	5/16"-18	0000000	0000
Not Rated	7 3/4"	3"	10 3/4"	5/8"	3/8"-16	0000000	0000

Cast Aluminum Body with Zinc-Plated Steel Fittings

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	1/4"	8-32	00000000	00000
30	4"	1 1/2"	5 1/2"	5/16"	10-24	00000000	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	12-24	00000000	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	1/4"-20	00000000	0000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	5/16"-18	00000000	0000
100	7 1/2"	3"	10 1/2"	9/16"	3/8"-16	00000000	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each
30	3 1/2"	1 1/4"	4 3/4"	1/4"	8-32	00000000	00000
30	4"	1 1/2"	5 1/2"	5/16"	10-24	00000000	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	12-24	00000000	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	1/4"-20	00000000	00000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	5/16"-18	00000000	00000
100	7 1/2"	3"	10 1/2"	9/16"	3/8"-16	00000000	00000

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

Turnbuckles								Right-Hand Jam Nuts		Left-Hand Jam Nuts
Capacity, lbs.	Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each		Each		Each
100	5 1/2"	2 1/2"	8"	5/16"	10-24	00000000	000000	00000000	00000	0000000	00000
200	6 1/2"	3"	9 1/2"	3/8"	1/4"-20	00000000	00000	00000000	000	00000000	000
400	8 1/4"	4"	12 1/4"	7/16"	5/16"-18	00000000	00000	00000000	0000	00000000	0000
700	11 1/2"	6"	17 1/2"	1/2"	3/8"-16	00000000	00000	00000000	0000	00000000	0000
1,000	12"	6"	18"	5/8"	1/2"-13	00000000	00000	00000000	0000	00000000	0000
1,600	15 3/4"	8"	23 3/4"	5/8"	5/8"-11	00000000	000000	00000000	0000	00000000	0000
2,000	19 1/2"	10"	29 1/2"	1 1/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Clevis-to-Eye Turnbuckles—Not for Lifting

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.

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

Round Eye

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.	Eye Shape	Eye ID	Thread Size		Each		Each		Each
300	5 1/2"	2 1/2"	8"	3/16"	Cotter Ring	5/16"	Round	3/8"	10-24	000000000	000000	00000000	00000	0000000	00000
400	6 1/2"	3"	9 1/2"	1/4"	Cotter Ring	3/8"	Round	7/16"	1/4"-20	000000000	00000	00000000	000	00000000	000
800	8 1/4"	4"	12 1/4"	5/16"	Cotter Ring	3/8"	Round	1/2"	5/16"-18	000000000	00000	00000000	0000	00000000	0000
1,200	11 1/2"	6"	17 1/2"	3/8"	Cotter Ring	7/16"	Round	5/8"	3/8"-16	000000000	00000	00000000	0000	00000000	0000
2,200	12"	6"	18"	7/16"	Cotter Ring	9/16"	Round	3/4"	1/2"-13	000000000	00000	00000000	0000	00000000	0000
2,800	15 3/4"	8"	23 3/4"	5/8"	Cotter Ring	11/16"	Round	7/8"	5/8"-11	000000000	000000	00000000	0000	00000000	0000
3,500	19 1/2"	10"	29 1/2"	3/4"	Cotter Ring	3/4"	Round	1 1/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Unthreaded Stub-to-Stub Turnbuckles—Not for Lifting

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

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.

Cast 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
300	5 1/4"	2 1/2"	7 3/4"	3/16"	11/16"	10-24	000000000	000000	00000000	00000	0000000	00000
400	9 1/4"	3"	12 1/4"	1/4"	2"	1/4"-20	000000000	00000	00000000	000	00000000	000
800	10 3/4"	4"	14 3/4"	5/16"	2 1/8"	5/16"-18	000000000	00000	00000000	0000	00000000	0000
1,200	13 1/4"	6"	19 1/4"	3/8"	2 1/2"	3/8"-16	000000000	00000	00000000	0000	00000000	0000
2,200	14 1/2"	6"	20 1/2"	1/2"	3"	1/2"-13	000000000	00000	00000000	0000	00000000	0000
2,800	16 1/4"	8"	24 1/4"	5/8"	3 1/4"	5/8"-11	000000000	000000	00000000	0000	00000000	0000
3,500	18 3/4"	10"	28 3/4"	3/4"	3 3/8"	3/4"-10	000000000	000000	00000000	0000	00000000	0000

Turnbuckle Bodies—Not for Lifting

316 stainless steel bodies 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.

Cast 316 Stainless Steel
Thread Size	Max. Adjustment	Overall Lg.	Capacity, lbs.		Each
10-24	2 1/2"	3 5/16"	300	00000000	00000
1/4"-20	3"	4"	400	00000000	0000
5/16"-18	4"	5 1/8"	800	00000000	00000
3/8"-16	6"	7 1/2"	1,200	00000000	00000
1/2"-13	6"	7 7/16"	2,200	00000000	00000
5/8"-11	8"	9 15/16"	2,800	00000000	00000
3/4"-10	10"	12 1/8"	3,500	00000000	000000