Aluminum Turnbuckles | McMaster-Carr

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144 Products

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.

Note: Capacities listed are for straight or in-line pull only.

Extruded Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

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	30125T101	00000


40	4 1/4"	1 11/16"	5 15/16"	Round	1/4"	10-24	30125T201	0000
50	4 3/4"	1 15/16"	6 11/16"	Round	5/16"	12-24	30125T301	0000
90	5 1/2"	2 1/8"	7 5/8"	Round	3/8"	1/4"-20	30125T401	0000
100	6 1/2"	2 9/16"	9 1/16"	Round	1/2"	5/16"-18	30125T501	0000
200	7 1/2"	3 1/8"	10 5/8"	Round	5/8"	3/8"-16	30125T601	0000

Eye-to-Eye Turnbuckles—Not for Lifting

Note: Capacities listed are for straight or in-line pull only.

Cast Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

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	3003T14	00000


30	4"	1 1/2"	5 1/2"	Round	5/16"	10-24	3003T15	0000
50	4 1/2"	1 7/8"	6 3/8"	Round	3/8"	12-24	3003T16	0000
60	5 1/2"	2 1/8"	7 5/8"	Round	7/16"	1/4"-20	3003T17	0000
90	6 3/4"	2 1/2"	9 1/4"	Round	9/16"	5/16"-18	3003T18	0000
100	7 1/2"	3"	10 1/2"	Round	11/16"	3/8"-16	3003T19	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

18-8 stainless steel has good corrosion resistance.

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	30095T71	00000


30	4"	1 1/2"	5 1/2"	Round	5/16"	10-24	30095T44	0000
50	4 1/2"	1 7/8"	6 3/8"	Round	3/8"	12-24	30095T81	0000
60	5 1/2"	2 1/8"	7 5/8"	Round	7/16"	1/4"-20	30095T54	00000
90	6 3/4"	2 1/2"	9 1/4"	Round	9/16"	5/16"-18	30095T91	00000
100	7 1/2"	3"	10 1/2"	Round	11/16"	3/8"-16	30095T64	00000

Hook-to-Hook Turnbuckles—Not for Lifting

Note: Capacities listed are for straight or in-line pull only.

Cast Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size	Specs. Met		Each



30	3 3/8"	1 1/4"	4 5/8"	1/4"	8-32	ASTM F1145 Type 1	3003T144	00000


30	4"	1 5/8"	5 5/8"	9/32"	10-24	ASTM F1145 Type 1	3003T154	0000
50	4 1/2"	1 7/8"	6 3/8"	5/16"	12-24	ASTM F1145 Type 1	3003T164	0000
60	5 1/2"	2 1/8"	7 5/8"	3/8"	1/4"-20	ASTM F1145 Type 1	3003T174	0000
90	6 3/4"	2 1/2"	9 1/4"	7/16"	5/16"-18	ASTM F1145 Type 1	3003T184	0000
100	7 1/2"	3"	10 1/2"	17/32"	3/8"-16	ASTM F1145 Type 1	3003T194	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size	Specs. Met		Each



30	3 1/2"	1 1/4"	4 3/4"	1/4"	8-32	ASTM F1145 Type 1	30095T73	00000


30	4"	1 1/2"	5 1/2"	5/16"	10-24	ASTM F1145 Type 1	30095T46	0000
50	4 1/2"	1 7/8"	6 3/8"	5/16"	12-24	ASTM F1145 Type 1	30095T83	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	1/4"-20	ASTM F1145 Type 1	30095T56	00000
90	6 3/4"	2 1/2"	9 1/4"	7/16"	5/16"-18	ASTM F1145 Type 1	30095T93	00000
100	7 1/2"	3"	10 1/2"	9/16"	3/8"-16	ASTM F1145 Type 1	30095T66	00000

Closed-Body Hook-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.

Note: Capacities listed are for straight or in-line pull only.

Extruded Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size		Each



40	4 1/8"	1 11/16"	5 13/16"	1/4"	Round	1/4"	10-24	30125T202	00000


50	4 5/8"	1 15/16"	6 9/16"	5/16"	Round	5/16"	12-24	30125T302	0000
90	5 3/8"	2 1/8"	7 1/2"	3/8"	Round	3/8"	1/4"-20	30125T402	0000
100	6 3/8"	2 9/16"	8 15/16"	1/2"	Round	1/2"	5/16"-18	30125T502	0000
200	7 5/8"	3 1/8"	10 3/4"	5/8"	Round	5/8"	3/8"-16	30125T602	0000

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

Image of Attribute. Front orientation. Contains Annotated.

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

Note: Capacities listed are for straight or in-line pull only.

Extruded Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Thread Size		Each



40	4 1/4"	1 11/16"	5 15/16"	1/4"	10-24	30125T203	00000


50	4 3/4"	1 15/16"	6 11/16"	5/16"	12-24	30125T303	0000
90	5 1/2"	2 1/8"	7 5/8"	3/8"	1/4"-20	30125T403	0000
100	6 1/2"	2 9/16"	9 1/16"	1/2"	5/16"-18	30125T503	0000
200	7 1/2"	3 1/8"	10 5/8"	5/8"	3/8"-16	30125T603	0000

Hook-to-Eye Turnbuckles—Not for Lifting

Note: Capacities listed are for straight or in-line pull only.

Cast Aluminum Body with Zinc-Plated Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

Zinc-plated steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size	Specs. Met		Each



30	3 1/2"	1 1/4"	4 3/4"	1/4"	Round	1/4"	8-32	ASTM F1145 Type 1	3003T142	00000


30	4"	1 1/2"	5 1/2"	5/16"	Round	5/16"	10-24	ASTM F1145 Type 1	3003T152	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	Round	3/8"	12-24	ASTM F1145 Type 1	3003T162	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	Round	7/16"	1/4"-20	ASTM F1145 Type 1	3003T172	0000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	Round	9/16"	5/16"-18	ASTM F1145 Type 1	3003T182	0000
100	7 1/2"	3"	10 1/2"	9/16"	Round	11/16"	3/8"-16	ASTM F1145 Type 1	3003T192	0000

Cast Aluminum Body with 18-8 Stainless Steel Fittings

Aluminum is lightweight and has good corrosion resistance.

18-8 stainless steel has good corrosion resistance.

Retracted Lg.	Max. Adjustment	Extended Lg.	Hook Opening Wd.	Eye Shape	Eye ID	Thread Size	Specs. Met		Each



30	3 1/2"	1 1/4"	4 3/4"	1/4"	Round	1/4"	8-32	ASTM F1145 Type 1	30095T72	00000


30	4"	1 1/2"	5 1/2"	5/16"	Round	5/16"	10-24	ASTM F1145 Type 1	30095T45	0000
50	4 1/2"	1 7/8"	6 3/8"	3/8"	Round	3/8"	12-24	ASTM F1145 Type 1	30095T82	0000
60	5 1/2"	2 1/8"	7 5/8"	7/16"	Round	7/16"	1/4"-20	ASTM F1145 Type 1	30095T55	00000
90	6 3/4"	2 1/2"	9 1/4"	1/2"	Round	9/16"	5/16"-18	ASTM F1145 Type 1	30095T92	00000
100	7 1/2"	3"	10 1/2"	9/16"	Round	11/16"	3/8"-16	ASTM F1145 Type 1	30095T65	00000

Internally Threaded Turnbuckle-Style Connecting Rods

Similar to turnbuckles, these rods have right-hand threads on one end and left-hand threads on the other so you can make a linkage that adjusts for tension. Add right- and left-hand threaded rod ends to build your linkages. Rods have a hex-shaped body so you can adjust them with a wrench.

Note: The end with the left-hand threads is marked with a groove.

Aluminum—Aluminum rods are lightweight and have good corrosion resistance.

	Thread Size	Thread Lg.	Hex Size		Each
Aluminum







				2" Overall Length

				10-32	1/2"	5/16"	8419K126	000000


				1/4"-28	3/4"	3/8"	8419K11	00000
				5/16"-24	3/4"	1/2"	8419K12	00000
				3/8"-24	3/4"	1/2"	8419K13	00000
				1/2"-20	3/4"	5/8"	8419K14	00000
				3/4"-16	3/4"	1"	8419K15	00000




						3" Overall Length

						6-32	1/2"	5/16"	8419K129	0000


						10-32	1/2"	5/16"	8419K131	00000
						1/4"-28	3/4"	3/8"	8419K22	00000
						5/16"-24	3/4"	1/2"	8419K23	00000
						3/8"-24	1"	1/2"	8419K24	00000
						1/2"-20	1"	5/8"	8419K25	00000
						3/4"-16	1"	1"	8419K26	00000




								4" Overall Length

								10-32	1/2"	5/16"	8419K135	00000


								1/4"-28	3/4"	3/8"	8419K33	00000
								5/16"-24	3/4"	1/2"	8419K34	00000
								3/8"-24	1"	1/2"	8419K35	00000
								1/2"-20	1"	5/8"	8419K36	00000
								3/4"-16	1"	1"	8419K37	00000




										6" Overall Length

										1/4"-28	3/4"	3/8"	8419K61	00000


										5/16"-24	3/4"	1/2"	8419K62	00000
										3/8"-24	1"	1/2"	8419K63	00000
										1/2"-20	1"	5/8"	8419K64	00000
										3/4"-16	1"	1"	8419K65	00000




												12" Overall Length

1/4"-28	3/4"											3/8"	8419K71	00000


5/16"-24	3/4"											1/2"	8419K72	00000
3/8"-24	1"	1/2"										8419K73	00000
1/2"-20	1"	5/8"	8419K74									00000




		18" Overall Length

		1/2"-20	1"									5/8"	8419K153	00000




												50 mm Overall Length

				M10 × 1.5 mm								16 mm	17 mm	8419K84	00000




												76 mm Overall Length

												M6 × 1 mm	16 mm	10 mm	8419K91	00000


												M8 × 1.25 mm	20 mm	12 mm	8419K92	00000




						100 mm Overall Length

						M6 × 1 mm	16 mm							10 mm	8419K99	00000


						M8 × 1.25 mm	20 mm							12 mm	8419K101	00000




														150 mm Overall Length

														M6 × 1 mm	16 mm	10 mm	8419K108	00000


								M10 × 1.5 mm						25 mm	17 mm	8419K111	00000




														305 mm Overall Length

														M8 × 1.25 mm	20 mm	12 mm	8419K118	00000


														M20 × 2.5 mm	25 mm	30 mm	8419K124	00000

Turnbuckle-Style Connecting Rods

Note: The end with the left-hand threads is marked with a groove.

Aluminum—Aluminum rods are lightweight and have good corrosion resistance.

				Aluminum
	Thread Size	Thread Lg.	Hex Size		Each
2" Overall Length



		6-32	1/2"	3/16"	8420K163	00000


		10-32	3/4"	1/4"	8420K164	0000
		1/4"-28	3/4"	1/4"	8420K165	0000


		3" Overall Length



				6-32	1/2"	3/16"	8420K169	0000


				10-32	3/4"	1/4"	8420K171	0000
				1/4"-28	3/4"	1/4"	8420K172	0000
				5/16"-24	3/4"	5/16"	8420K173	00000
				3/8"-24	1"	3/8"	8420K174	00000
				1/2"-20	1"	1/2"	8420K175	00000


				4" Overall Length



						10-32	1"	1/4"	8420K11	00000


						1/4"-28	1"	1/4"	8420K13	00000
						5/16"-24	1 1/4"	5/16"	8420K15	00000
						3/8"-24	1 1/4"	3/8"	8420K17	00000
						7/16"-20	1 1/4"	7/16"	8420K177	00000
						1/2"-20	1 1/2"	1/2"	8420K19	00000
						5/8"-18	1 3/4"	5/8"	8420K178	00000
						3/4"-16	1 3/4"	3/4"	8420K22	00000


						6" Overall Length



								10-32	1 3/16"	1/4"	8420K61	00000


								1/4"-28	1 1/2"	1/4"	8420K63	00000
								5/16"-24	1 5/8"	5/16"	8420K65	00000
								3/8"-24	2"	3/8"	8420K67	00000
								1/2"-20	2"	1/2"	8420K69	00000
								5/8"-18	2"	5/8"	8420K182	00000
								3/4"-16	2"	3/4"	8420K72	00000


								12" Overall Length



										10-32	1 3/16"	1/4"	8420K23	00000


										1/4"-28	1 3/16"	1/4"	8420K25	00000
										5/16"-24	1 5/8"	5/16"	8420K27	00000
3/8"-24										2"	3/8"	8420K29	00000
1/2"-20	2"									1/2"	8420K32	00000
3/4"-16	2"									3/4"	8420K34	00000


18" Overall Length



										10-32	1 3/16"	1/4"	8420K81	00000


		1/4"-28								1 1/2"	1/4"	8420K83	00000
		5/16"-24	1 5/8"							5/16"	8420K85	00000
		3/8"-24	2"							3/8"	8420K87	00000
		1/2"-20	2"							1/2"	8420K89	00000
		3/4"-16	2"							3/4"	8420K92	00000


		24" Overall Length



										1/4"-28	1 1/2"	1/4"	8420K43	00000


										5/16"-24	1 5/8"	5/16"	8420K45	00000
				3/8"-24						2"	3/8"	8420K47	00000
				1/2"-20	2"					1/2"	8420K49	00000
				3/4"-16	2"					3/4"	8420K52	00000


				50 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	8420K101	0000


										M6 × 1 mm	16 mm	6 mm	8420K102	0000
										M8 × 1.25 mm	20 mm	8 mm	8420K103	0000


										76 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	8420K109	0000


										M6 × 1 mm	16 mm	6 mm	8420K111	0000
										M8 × 1.25 mm	20 mm	8 mm	8420K112	00000
										M10 × 1.5 mm	25 mm	10 mm	8420K113	00000
										M12 × 1.75 mm	25 mm	12 mm	8420K114	00000


										100 mm Overall Length



								M6 × 1 mm	25 mm			6 mm	8420K119	00000


								M8 × 1.25 mm	30 mm			8 mm	8420K121	00000


								150 mm Overall Length



M5 × 0.8 mm												30 mm	5 mm	8420K127	00000


M6 × 1 mm	40 mm											6 mm	8420K128	00000
M8 × 1.25 mm	40 mm											8 mm	8420K129	00000