Double Eye Bolts | McMaster-Carr

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114 Products

Eye-to-Eye Turnbuckles—Not for Lifting

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

Forged Galvanized Steel Body with Forged Galvanized Steel Fittings

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

Galvanized steel is mildly corrosion resistant.

Oval Eye—Oval eyes provide more room to attach connectors.

Turnbuckles											Jam Nuts
Wt. Cap., lb.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Eye Inside Lg.	Thread Size	Specs. Met		Each		Each



	500	8"	4"	12"	Round	1/2"	—	1/4"-20	ASTM F1145 Type 1	2999T51	000000	3000T752	00000


	800	9"	4 1/2"	13 1/2"	Round	5/8"	—	5/16"-18	ASTM F1145 Type 1	2999T52	00000	3000T753	0000
	1,200	11 1/2"	6"	17 1/2"	Round	3/4"	—	3/8"-16	ASTM F1145 Type 1	2999T53	00000	3000T754	0000
	2,200	13"	6"	19"	Round	1"	—	1/2"-13	ASTM F1145 Type 1	2999T54	00000	3000T755	0000
	2,200	16"	9"	25"	Round	1"	—	1/2"-13	ASTM F1145 Type 1	2999T55	00000	3000T755	0000
	2,200	19"	12"	31"	Round	1"	—	1/2"-13	ASTM F1145 Type 1	2999T56	00000	3000T755	0000
	3,500	13 1/2"	6"	19 1/2"	Round	1 1/4"	—	5/8"-11	ASTM F1145 Type 1	2999T57	00000	3000T756	0000
	3,500	17"	9"	26"	Round	1 1/4"	—	5/8"-11	ASTM F1145 Type 1	2999T58	00000	3000T756	0000
	3,500	20 1/2"	12"	32 1/2"	Round	1 1/4"	—	5/8"-11	ASTM F1145 Type 1	2999T59	00000	3000T756	0000
	5,200	14 3/4"	6"	20 3/4"	Round	1 1/2"	—	3/4"-10	ASTM F1145 Type 1	2999T61	00000	3000T757	0000
	5,200	18"	9"	27"	Round	1 1/2"	—	3/4"-10	ASTM F1145 Type 1	2999T62	00000	3000T757	0000


	5,200	21 3/4"	12"	33 3/4"	Round	1 1/2"	—	3/4"-10	ASTM F1145 Type 1	2999T63	00000	3000T757	0000
	5,200	27 3/4"	18"	45 3/4"	Round	1 1/2"	—	3/4"-10	ASTM F1145 Type 1	2999T64	000000	3000T757	0000
	7,200	19"	6"	25"	Oval	1 1/4"	2 3/8"	7/8"-9	ASTM F1145 Type 1	2999T481	00000	3000T758	00000
	7,200	22 1/2"	12"	34 1/2"	Round	1 3/4"	—	7/8"-9	ASTM F1145 Type 1	2999T65	000000	3000T758	00000
	7,200	30 13/16"	18"	50 9/16"	Oval	1 1/4"	2 3/8"	7/8"-9	ASTM F1145 Type 1	2999T66	00000	3000T758	00000
	10,000	19 3/4"	6"	23"	Round	2"	—	1"-8	ASTM F1145 Type 1	2999T67	000000	3000T759	00000
	10,000	25"	12"	37"	Round	2"	—	1"-8	ASTM F1145 Type 1	2999T68	000000	3000T759	00000
	10,000	31"	18"	49"	Round	2"	—	1"-8	ASTM F1145 Type 1	2999T69	000000	3000T759	00000

Cast Zinc Alloy Body with Zinc-Plated Steel Fittings

Zinc-plated steel is mildly corrosion resistant.

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	3010T14	00000


Not Rated	4 1/2"	1 5/8"	6 1/8"	Round	5/16"	3/16"-24	3010T15	0000
Not Rated	6"	2 3/8"	8 3/8"	Round	7/16"	1/4"-20	3010T17	0000
Not Rated	6 3/4"	2 3/4"	9 1/2"	Round	9/16"	5/16"-18	3010T18	0000
Not Rated	7 3/4"	3"	10 3/4"	Round	5/8"	3/8"-16	3010T19	0000

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

Forged 316 Stainless Steel Body with 316 Stainless Steel Fittings

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

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

Oval Eye—Oval eyes provide more room to attach connectors.

Turnbuckles											Right-Hand Jam Nuts		Left-Hand Jam Nuts
Wt. Cap., lb.	Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Eye Inside Lg.	Thread Size	Specs. Met		Each		Each		Each



	500	8"	4"	12"	Oval	5/16"	3/4"	1/4"-20	ASTM F1145 Type 1	3022T31	000000	3022T722	00000	3022T712	00000


	800	9 1/4"	4 1/2"	13 3/4"	Oval	7/16"	15/16"	5/16"-18	ASTM F1145 Type 1	3022T32	00000	3022T723	0000	3022T713	0000
	1,200	11 1/2"	6"	17 1/2"	Oval	1/2"	1 1/8"	3/8"-16	ASTM F1145 Type 1	3022T33	00000	3022T724	0000	3022T714	0000
	2,200	13"	6"	19"	Oval	3/4"	1 7/16"	1/2"-13	ASTM F1145 Type 1	3022T34	000000	3022T725	0000	3022T715	0000
	3,500	14 1/2"	6"	20 1/2"	Oval	7/8"	1 3/4"	5/8"-11	ASTM F1145 Type 1	3022T35	000000	3022T726	0000	3022T716	0000
	5,200	16 1/4"	6"	22 1/4"	Oval	1"	2 1/16"	3/4"-10	ASTM F1145 Type 1	3022T36	000000	3022T727	00000	3022T717	00000

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

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

Turnbuckles									Right-Hand Jam Nuts		Left-Hand Jam Nuts
Wt. Cap., lb.	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	30315T57	000000	3022T721	00000	3022T73	00000


	400	6 1/2"	3"	9 1/2"	Round	7/16"	1/4"-20	30315T52	00000	3022T722	0000	3022T712	0000
	800	8 1/4"	4"	12 1/4"	Round	1/2"	5/16"-18	30315T53	00000	3022T723	0000	3022T713	0000
	1,200	11"	6"	17 1/2"	Round	5/8"	3/8"-16	30315T54	00000	3022T724	0000	3022T714	0000
	2,200	12"	6"	18"	Round	3/4"	1/2"-13	30315T15	00000	3022T725	0000	3022T715	0000
	2,800	15 1/2"	8"	23 1/2"	Round	7/8"	5/8"-11	30315T56	000000	3022T726	0000	3022T716	0000
	3,500	19"	10"	29"	Round	1 1/8"	3/4"-10	30315T771	000000	3022T727	00000	3022T717	00000

Eye-to-Eye Ball Bearing Swivels—For Lifting

Use in critical applications to adjust the position of a fitting or an object under load and minimize twisting and knotting. The bearings are permanently lubricated and sealed to keep out debris.

Note: Swivels are for vertical lifting only.

		Eye
	Lg.	Thk.	ID	Wt. Cap., lb.	Specs. Met		Each
Alloy Steel



		3 5/16"	1/4"	1/4"	1,000	ASME B30.26	33575T661	0000000


		4 9/16"	5/16"	3/8"	1,500	ASME B30.26	33575T662	000000
		5 9/16"	1/2"	5/8"	3,000	ASME B30.26	33575T663	000000
		7 1/8"	3/4"	7/8"	6,000	ASME B30.26	33575T664	000000
		10 1/2"	1"	1 1/4"	10,000	ASME B30.26	33575T665	000000

Eye-to-Eye Swivels—Not for Lifting

Rotating for easy positioning before a load is applied, these minimize twisting and knotting of rope and chain.

Galvanized Steel—Galvanized steel swivels have a thick coating for corrosion resistance.

316 Stainless Steel—316 stainless steel swivels have excellent resistance to salt water and chemicals. They’re more corrosion resistant than hot-dipped galvanized steel swivels.

		Eye
	Lg.	Thk.	Inside Lg. (A)	Inside Lg. (B)	ID	Wt. Cap., lb.	Fabrication	Specs. Met		Each
Galvanized Steel



		3"	1/4"	3/4"	1"	3/4"	800	Forged	—	3552T141	000000


		3 5/8"	5/16"	3/4"	1 1/4"	1"	1,200	Forged	Fed. Spec. RR-C-271	3552T15	00000
		4 5/16"	3/8"	7/8"	1 1/2"	1 1/4"	2,200	Forged	Fed. Spec. RR-C-271	3552T16	00000
		5 3/8"	1/2"	1 3/16"	2"	1 1/2"	3,600	Forged	Fed. Spec. RR-C-271	3552T17	00000
		6 5/8"	5/8"	1 1/2"	2 3/8"	1 3/4"	5,200	Forged	Fed. Spec. RR-C-271	3552T18	00000
		7 3/8"	3/4"	1 5/8"	2 5/8"	2"	7,000	Forged	Fed. Spec. RR-C-271	3552T19	000000


		316 Stainless Steel



				1 5/8"	3/16"	9/16"	9/16"	1/2"	300	Cast	—	3714T91	00000


				2 1/8"	1/4"	5/8"	5/8"	9/16"	600	Cast	—	3714T92	00000
				2 15/16"	5/16"	7/8"	7/8"	3/4"	1,000	Cast	—	3714T93	00000
				3 3/4"	3/8"	7/8"	7/8"	15/16"	1,900	Cast	—	3714T94	00000
				4 15/16"	1/2"	1 3/8"	1 3/8"	1 5/16"	2,700	Cast	—	3714T95	00000
				6 1/16"	5/8"	1 3/4"	1 3/4"	1 1/2"	4,600	Cast	—	3714T96	00000

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.

Forged Steel Body with Galvanized Steel Fittings

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

Galvanized steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size	Features		Each



1,000	8"	3"	11"	Round	3/8"	1/4"-28	Jam Nuts	4361N12	000000


1,600	9"	3 3/4"	12 3/4"	Round	1/2"	5/16"-24	Jam Nuts	4361N13	00000
2,800	10"	4 1/4"	14 1/4"	Round	5/8"	3/8"-24	Jam Nuts	4361N14	00000

Forged Steel Body with Forged Galvanized Steel Fittings

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

Galvanized steel is mildly corrosion resistant.

Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size	Features		Each



5,900	14"	5"	19"	Round	7/8"	5/8"-18	Jam Nuts	4361N16	000000

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

Cast 316 Stainless Steel Body with 316 Stainless Steel Fittings

316 stainless steel has good corrosion resistance.

Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size	Features		Each



1,200	11 1/2"	6 1/4"	17 3/4"	Round	1/2"	5/16"-18	Jam Nuts	3082T19	000000


2,200	12"	6 1/4"	18 1/4"	Round	5/8"	3/8"-16	Jam Nuts	3082T27	00000

316 Stainless Steel Body with 316 Stainless Steel Fittings

316 stainless steel has good corrosion resistance.

Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Thread Size	Features		Each



400	6"	2 1/4"	8 1/4"	Round	5/16"	10-32	Jam Nuts	3082T11	000000


1,000	7 1/2"	3 1/4"	10 3/4"	Round	3/8"	1/4"-28	Jam Nuts	3082T12	00000
1,600	8 1/2"	4 1/8"	12 5/8"	Round	1/2"	5/16"-24	Jam Nuts	3082T13	00000
2,800	9 5/8"	4 3/8"	14"	Round	5/8"	3/8"-24	Jam Nuts	3082T14	00000
4,200	12 1/2"	3"	15 1/2"	Round	3/4"	1/2"-20	Jam Nuts	3082T15	000000
5,900	15"	5 3/4"	20 3/4"	Round	7/8"	5/8"-18	Jam Nuts	3082T16	000000

Eye-to-Eye Turnbuckles—For Lifting

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

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

Forged Galvanized Steel Body with Forged Galvanized Steel Fittings

Retracted Lg.	Max. Adjustment	Extended Lg.	Eye Shape	Eye ID	Eye Inside Lg.	Thread Size	Specs. Met		Each



800	10"	4 1/2"	14 1/2"	Oval	7/16"	15/16"	5/16"-18	ASME B30.26, ASTM F1145 Type 1	2999T92	000000


1,200	12 1/4"	6"	18 1/4"	Oval	1/2"	1 1/8"	3/8"-16	ASME B30.26, ASTM F1145 Type 1	2999T93	00000
2,200	14 3/4"	6"	20 3/4"	Oval	11/16"	1 7/16"	1/2"-13	ASME B30.26, ASTM F1145 Type 1	2999T94	00000
2,200	21"	12"	33"	Oval	11/16"	1 7/16"	1/2"-13	ASME B30.26, ASTM F1145 Type 1	2999T95	00000
5,200	18 1/2"	6"	24 1/2"	Oval	1"	2 1/16"	3/4"-10	ASME B30.26, ASTM F1145 Type 1	2999T96	000000
5,200	25"	12"	37"	Oval	1"	2 1/16"	3/4"-10	ASME B30.26, ASTM F1145 Type 1	2999T97	000000
5,200	31"	18"	49"	Oval	1"	2 1/16"	3/4"-10	ASME B30.26, ASTM F1145 Type 1	2999T98	000000

Eye-to-Eye Ball Bearing Swivels—Not for Lifting

Adjust the position of a fitting or an object under load and minimize twisting and knotting. The bearings are permanently lubricated and sealed to keep out debris. They have excellent resistance to salt water and chemicals.

		Eye
	Lg.	Thk.	ID	Wt. Cap., lb.		Each
316 Stainless Steel



		2 1/4"	1/4"	5/16"	1,100	8928T41	000000