Self Locking Hooks | McMaster-Carr

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60 Products

Eye Hooks with Load-Locking Latch—For Lifting


Without Handle	With Handle

For a more secure connection than standard hooks, the latch locks closed when a load is applied.

Note: Capacities are for vertical lifting only.

For Grade 100 Chain—High-strength hooks for Grade 100 chain are approximately 20% stronger than hooks for Grade 80 chain.

With Handle—Hooks with a handle give you a spot to grab the hook and direct the load, keeping your hand out of harm’s way.

	Hooks														Replacement Trigger Kits for Hooks
				Hook		Eye
	For Straight-Link Chain Trade Size	Wt. Cap., lb.	Safety Factor	Opening Wd.	Usable Lg.	ID	Thk.	Fabrication	Latch Type	Max. Temp., ° F	With Handle	Specs. Met		Each		Each
For Grade 100 Chain







				Silver Powder-Coated Alloy Steel

				1/4", 9/32", 5/16"	5,700	4:1	1 1/2"	5 5/16"	1 1/8"	3/8"	Forged	Locking	390	No	ASME B30.10	000000	0000000	0000000	000000


				3/8"	8,800	4:1	1 13/16"	6 9/16"	1 5/16"	1/2"	Forged	Locking	390	No	ASME B30.10	000000	000000	0000000	00000
				1/2"	15,000	4:1	2 1/4"	8 1/4"	1 5/8"	11/16"	Forged	Locking	390	No	ASME B30.10	000000	000000	0000000	00000
				5/8"	18,000	5:1	2 25/32"	10 11/16"	2"	1 11/16"	Forged	Locking	390	Yes	ASME B30.10	0000000	000000	00000000	000000
				5/8"	22,600	4:1	2 5/8"	10 1/16"	2 3/16"	7/8"	Forged	Locking	390	No	ASME B30.10	000000	000000	0000000	00000
				3/4"	28,000	5:1	3 11/32"	12"	2 3/4"	2"	Forged	Locking	390	Yes	ASME B30.10	0000000	00000000	00000000	000000
				7/8"	34,000	5:1	3 11/16"	13 1/2"	3 1/8"	2 7/16"	Forged	Locking	390	Yes	ASME B30.10	0000000	00000000	00000000	000000


				For Grade 80 Chain







								Red Powder-Coated Alloy Steel

								7/32"	2,100	4:1	1 3/8"	4 5/16"	13/16"	7/16"	Forged	Locking	400	No	ASME B30.10	000000	00000	0000000	00000


								9/32", 5/16"	4,500	4:1	1 11/16"	5 3/8"	15/16"	1/2"	Forged	Locking	400	No	ASME B30.10	000000	00000	0000000	00000
								3/8"	7,100	4:1	2 3/16"	6 5/8"	1 3/8"	9/16"	Forged	Locking	400	No	ASME B30.10	000000	000000	0000000	00000
								1/2"	12,000	4:1	2 11/16"	8 1/16"	1 9/16"	13/16"	Forged	Locking	400	No	ASME B30.10	000000	000000	0000000	00000

Clevis Hooks with Load-Locking Latch—For Lifting

Image of Product. Front orientation. Hooks. For Lifting, Clevis, Load-Locking Latch.

For a more secure connection than standard hooks, the latch locks closed when a load is applied.

Note: Capacities are for vertical lifting only.

For Grade 100 Chain—High-strength hooks for Grade 100 chain are approximately 20% stronger than hooks for Grade 80 chain.

	Hooks													Replacement Trigger Kits for Hooks
				Hook
	For Straight-Link Chain Trade Size	Wt. Cap., lb.	Safety Factor	Opening Wd.	Usable Lg.	Pin Dia.	Clevis Inside Wd.	Fabrication	Latch Type	Max. Temp., ° F	Specs. Met		Each		Each
For Grade 100 Chain







				Silver Powder-Coated Alloy Steel

				1/4", 9/32"	4,300	4:1	1 1/2"	4 1/2"	3/8"	3/8"	Forged	Locking	390	ASME B30.10	000000	0000000	0000000	000000


				5/16"	5,700	4:1	1 1/2"	4 1/2"	3/8"	3/8"	Forged	Locking	390	ASME B30.10	000000	000000	0000000	00000
				3/8"	8,800	4:1	1 13/16"	5 1/2"	1/2"	7/16"	Forged	Locking	390	ASME B30.10	000000	000000	0000000	00000
				1/2"	15,000	4:1	2 1/4"	6 13/16"	11/16"	9/16"	Forged	Locking	390	ASME B30.10	000000	000000	0000000	00000
				5/8"	22,600	4:1	2 5/8"	8 1/4"	13/16"	11/16"	Forged	Locking	390	ASME B30.10	000000	000000	0000000	00000


				For Grade 80 Chain







								Red Powder-Coated Alloy Steel

								7/32"	2,100	4:1	1 3/8"	3 11/16"	5/16"	1/4"	Forged	Locking	400	ASME B30.10	0000000	00000	0000000	00000


								9/32", 5/16"	4,500	4:1	1 11/16"	4 13/16"	3/8"	3/8"	Forged	Locking	400	ASME B30.10	0000000	00000	0000000	00000
								3/8"	7,100	4:1	2 3/16"	5 11/16"	1/2"	1/2"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000
								1/2"	12,000	4:1	2 11/16"	7 1/16"	5/8"	9/16"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000

Eye Hooks with Load-Locking Latch and Swivel—For Lifting

Image of Product. Front orientation. Hooks. Eye, Load-Locking Latch, Swivels without Ball Bearings, For Lifting.

These have a latch that locks closed when a load is applied for a more secure connection than standard hooks. They rotate for easy positioning before a load is applied.

Note: Capacities are for vertical lifting only.

For Grade 100 Chain—High-strength hooks for Grade 100 chain are approximately 20% stronger than hooks for Grade 80 chain. They are powder-coated steel, so they resist some corrosion.

	Hooks													Replacement Trigger Kits for Hooks
				Hook		Eye
	For Straight-Link Chain Trade Size	Wt. Cap., lb.	Safety Factor	Opening Wd.	Usable Lg.	ID	Thk.	Fabrication	Latch Type	Max. Temp., ° F	Specs. Met		Each		Each
For Grade 100 Chain







				Yellow Powder-Coated Alloy Steel

				7/32"	3,300	4:1	1 1/8"	5 7/8"	1 5/16"	7/16"	Forged	Locking	400	ASME B30.10	0000000	0000000	0000000	000000


				9/32", 5/16"	5,700	4:1	1 1/2"	7 3/16"	1 1/2"	1/2"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000
				3/8"	8,800	4:1	1 11/16"	8 5/8"	1 11/16"	9/16"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000
				1/2"	15,000	4:1	2 1/8"	11"	1 7/8"	3/4"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000
				5/8"	22,600	4:1	2 3/8"	13 1/2"	2 3/8"	7/8"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000


				For Grade 80 Chain







								Black-Painted Alloy Steel

								9/32"	4,500	4:1	1 5/16"	7 1/8"	1 3/8"	1/2"	Forged	Locking	400	ASME B30.10	0000000	000000	00000000	00000


								3/8"	7,100	4:1	1 3/4"	8 9/16"	1 5/8"	5/8"	Forged	Locking	400	ASME B30.10	0000000	000000	00000000	00000
								1/2"	12,000	4:1	2"	10 9/16"	1 7/8"	3/4"	Forged	Locking	400	ASME B30.10	0000000	000000	00000000	00000
								5/8"	18,100	4:1	2 11/32"	12 5/8"	2 5/16"	15/16"	Forged	Locking	400	ASME B30.10	0000000	000000	00000000	00000

Eye Hooks with Load-Locking Latch and Ball Bearing Swivel—For Lifting


	Without Handle	With Handle

For a more secure connection than standard hooks, these hooks have a latch that locks closed when a load is lifted. A ball-bearing swivel allows them to rotate under a load. These hooks are made for Grade 100 chain, so they are approximately 20% stronger than hooks for Grade 80 chain. Made of powder-coated steel, they resist some corrosion.

Note: Capacities are for vertical lifting only.

With Handle—Hooks with a handle give you a spot to grab the hook and direct the load, keeping your hand out of harm’s way.

	Hooks														Replacement Trigger Kits for Hooks
				Hook		Eye
	For Straight-Link Chain Trade Size	Wt. Cap., lb.	Safety Factor	Opening Wd.	Usable Lg.	ID	Thk.	Fabrication	Latch Type	Max. Temp., ° F	With Handle	Specs. Met		Each		Each
For Grade 100 Chain







				Silver Powder-Coated Alloy Steel

				7/32"	2,500	5:1	1 1/8"	6 1/8"	1 1/2"	1/2"	Forged	Locking	390	No	ASME B30.10	0000000	0000000	00000000	000000


				1/4", 5/16"	4,500	5:1	1 7/16"	7 1/2"	1 3/4"	5/8"	Forged	Locking	390	No	ASME B30.10	0000000	000000	0000000	00000
				3/8"	7,000	5:1	1 13/16"	8 7/8"	2"	3/4"	Forged	Locking	390	No	ASME B30.10	0000000	000000	0000000	00000
				1/2"	12,000	5:1	2 3/16"	11 1/16"	2 1/2"	1"	Forged	Locking	390	No	ASME B30.10	0000000	000000	0000000	00000
				5/8"	18,000	5:1	2 19/32"	12 7/8"	2 3/4"	1 1/8"	Forged	Locking	390	No	ASME B30.10	0000000	00000000	0000000	00000
				5/8"	18,000	5:1	2 25/32"	14 7/16"	2 3/4"	1 1/8"	Forged	Locking	390	Yes	ASME B30.10	0000000	00000000	00000000	000000
				3/4"	28,000	5:1	3 9/32"	15 7/16"	3 1/16"	1 1/4"	Forged	Locking	390	Yes	ASME B30.10	0000000	00000000	00000000	000000
				7/8"	34,000	5:1	3 21/32"	19 1/16"	4 1/16"	1 1/2"	Forged	Locking	390	Yes	ASME B30.10	0000000	00000000	00000000	000000

Clevis Hooks with Load-Locking Latch and Ball-Bearing Swivel—For Lifting

Image of Product. Front orientation. Hooks. Load-Locking Latch, Clevis, Ball Bearing Swivels, For Lifting.

Rotate these hooks for easy positioning before lifting your load. They have a latch that locks when a load is applied for a more secure connection than standard hooks.

Note: Capacities are for vertical lifting only.

	Hooks													Replacement Trigger Kits for Hooks
				Hook
	For Straight-Link Chain Trade Size	Wt. Cap., lb.	Safety Factor	Opening Wd.	Usable Lg.	Pin Dia.	Clevis Inside Wd.	Fabrication	Latch Type	Max. Temp., ° F	Specs. Met		Each		Each
For Grade 80 Chain







				Yellow Powder-Coated Alloy Steel

				7/32"	2,100	4:1	1 1/8"	5 13/16"	5/16"	1/4"	Forged	Locking	400	ASME B30.10	0000000	0000000	0000000	000000


				9/32", 5/16"	4,500	4:1	1 3/8"	7 1/8"	3/8"	3/8"	Forged	Locking	400	ASME B30.10	0000000	000000	0000000	00000