L-Bolts | McMaster-Carr

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130 Products

Hook Anchors for Concrete

Fasten everything from signposts to support beams. Install these anchors in wet concrete during construction, with their threads sticking out of the surface. Designed for permanent installations, you'd have to cut these anchors out to remove them.

L-Hook

Steel—Best for dry environments since moisture will cause these anchors to rust.

Corrosion-Resistant Hot-Dipped Galvanized Steel—Combines the strength of steel with the rust resistance of stainless steel. These anchors are an economical alternative to 18-8 stainless steel in wet and outdoor environments, but they’ll corrode or pit when exposed to salt water and chemicals. They must be used with other hot-dipped galvanized fasteners.

Corrosion-Resistant 18-8 Stainless Steel—The choice for wet and outdoor environments, these anchors resist rust. However, they’ll corrode or pit when exposed to salt water and chemicals.

						Ultimate Strength
	Lg.	Thread Size	Min. Thread Lg.	Hook Lg.	Tensile Strength, psi	Pull-Out	Shear	Specs. Met		Each
Steel







				3/8" Diameter

				8"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A110	00000


				10"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A120	0000
				12"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A130	0000
				14"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A140	0000
				24"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A710	0000




						1/2" Diameter

						8"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A210	0000


						10"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A220	0000
						12"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A230	0000
						14"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A720	0000
						16"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A245	0000
						18"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A250	0000
						24"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A730	0000




								5/8" Diameter

								8"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A310	0000


								10"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A320	0000
								12"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A330	0000
								18"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A350	0000
								24"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91587A740	00000




										3/4" Diameter

										8"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A410	0000


										10"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A420	0000
										12"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A430	0000
										14"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A440	0000
										18"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A450	00000
										24"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A460	00000




												1" Diameter

10"												1"-8	4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A620	00000


12"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A630	00000
14"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A640	00000
18"	1"-8	4"										3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91587A650	00000
24"	1"-8	4"	3 3/4"									58,000	Not Rated	Not Rated	ASTM A36	91587A660	00000


Corrosion-Resistant Hot-Dipped Galvanized Steel







												3/8" Diameter

				8"								3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A100	0000


				10"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A110	0000
				12"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A120	0000
				14"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A130	0000
				24"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A510	0000




												1/2" Diameter

												8"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A150	0000


						10"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A155	0000
						12"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A160	0000
						14"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A520	0000
						16"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A165	0000
						18"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A170	0000




												5/8" Diameter

												8"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A250	0000


								10"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A255	0000
								12"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A260	0000
								14"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A540	00000
								16"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A550	00000
								18"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A265	00000
								24"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	91603A560	00000




												3/4" Diameter

										8"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A300	0000


										10"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A305	0000
										12"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A310	00000
										14"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A315	00000
										16"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A530	00000
										18"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A320	00000
										24"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A325	00000




1" Diameter

12"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A410	00000


16"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A570	00000
18"	1"-8	4"										3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	91603A430	00000
24"	1"-8	4"	3 3/4"									58,000	Not Rated	Not Rated	ASTM A36	91603A440	00000


Corrosion-Resistant 18-8 Stainless Steel







												3/8" Diameter

				8"								3/8"-16	2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A110	00000


				10"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A120	00000
				12"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A130	00000
				14"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A140	00000




												1/2" Diameter

												8"	1/2"-13	2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A210	00000


						10"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A220	00000
						12"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A230	00000
						16"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A240	00000
						18"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A250	00000




												5/8" Diameter

												8"	5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A310	00000


												10"	5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A320	00000
								12"				5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A330	00000
								18"	5/8"-11			2 1/2"	2"	80,000	Not Rated	Not Rated	—	91615A350	00000




												3/4" Diameter

												8"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A410	00000


												10"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A420	00000
												12"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A430	00000
												14"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A440	00000
										18"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A450	00000
										24"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	91615A460	00000




												1" Diameter

												12"	1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	91615A530	00000


												18"	1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	91615A550	00000
24"												1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	91615A560	00000

Hold-Down Bolts with Nut and Washer

Everything you need to clamp parts in place. Turn the nut to pull the hooked end of these bolts tight against your equipment. Since they’re quick to install, these bolts are often used for frequently changing setups.

Low-Strength Steel

About half the strength of medium-strength bolts, these bolts are best for holding batteries and other lightweight equipment.

Zinc-Plated Steel—The plating on these bolts helps prevent rust, so they can handle occasional exposure to moisture.

Round Hook—A versatile shape for holding flat, curved, or angled edges. These bolts hold parts securely even if they’re not perfectly lined up with the bolt hole.

Flat Hook—Designed to sit flush against flat surfaces, these bolts won’t rotate and scuff your material.

					Hook
	Lg.	Threading	Thread Lg.	Thread Spacing	Lg.	Thk.	Angle	Tensile Strength, psi	Pkg. Qty.		Pkg.
Zinc-Plated Steel with Round Hook







				1/4"-20

				5"	Partially Threaded	2 1/4"	Coarse	3/4"	1/4"	60°	60,000	2	98760A109	00000


				8"	Partially Threaded	3 7/8"	Coarse	3/4"	1/4"	90°	60,000	2	98760A160	00000
				9 1/4"	Partially Threaded	2 3/4"	Coarse	11/16"	1/4"	55°	60,000	2	98760A111	0000
				10"	Partially Threaded	3 13/16"	Coarse	3/4"	1/4"	90°	60,000	2	98760A170	00000
				10"	Partially Threaded	3 13/16"	Coarse	3/4"	1/4"	30°	60,000	2	98760A180	00000




						5/16"-18

						6 3/4"	Partially Threaded	2 1/4"	Coarse	3/4"	5/16"	60°	60,000	2	98760A110	0000


						10 5/16"	Partially Threaded	8"	Coarse	9/16"	5/16"	60°	60,000	2	98760A112	0000


						Zinc-Plated Steel with Flat Hook







										1/4"-20

										4 3/4"	Partially Threaded	2 3/4"	Coarse	1/2"	5/32"	45°	60,000	2	98760A120	0000


										9"	Partially Threaded	2 3/4"	Coarse	1/2"	5/32"	45°	60,000	2	98760A121	0000




												5/16"-18

												5 7/8"	Partially Threaded	2 9/16"	Coarse	5/16"	5/32"	20°	60,000	1	98760A118	0000


												10 5/16"	Partially Threaded	8"	Coarse	1/2"	5/32"	45°	60,000	2	98760A122	00000




														3/8"-16

														10"	Partially Threaded	2 3/4"	Coarse	1/2"	5/32"	45°	60,000	1	98760A123	0000

Hold-Down Bolts

Use the hooked end of these bolts to clamp equipment in place. Add a nut or knob to tighten. Since they’re quick to install, these bolts are often used for frequently changing setups.

Medium-Strength Steel

Round Hook

Made from steel comparable to Grade 5 steel, these bolts are suitable for most work-holding applications. They’re often used to hold sieve-shaker screens in place. Material meets SAE J429 specifications for quality.

Steel—Best for dry environments since these bolts will rust from moisture.

Round Hook—A versatile shape for holding flat, curved, or angled edges. These bolts hold parts securely even if they’re not perfectly lined up with the bolt hole.

					Hook
	Lg.	Threading	Thread Lg.	Thread Spacing	Lg.	Thk.	Angle	Tensile Strength, psi	Specs. Met		Each
Steel with Round Hook







				1/2"-13

				4"	Partially Threaded	2"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	91592A185	00000


				4 1/2"	Partially Threaded	2"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	91592A190	0000
				5"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	91592A195	0000
				6"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	91592A200	0000
				7"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	91592A205	0000




						5/8"-11

						5"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	91592A295	0000


						6"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	91592A300	0000
						7"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	91592A305	0000
						8"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	91592A310	0000

Corrosion-Resistant Stainless Steel

Round Hook

18-8 Stainless Steel—Our most corrosion resistant hold-down bolts. These bolts stand up to washdowns, mild chemicals, and the outdoors, but they’re not as strong as steel bolts. They don’t have a coating, so they won’t shed flakes into your equipment.

Round Hook—A versatile shape for holding flat, curved, or angled edges. These bolts hold parts securely even if they’re not perfectly lined up with the bolt hole.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

					Hook
	Lg.	Threading	Thread Lg.	Thread Spacing	Lg.	Thk.	Angle	Tensile Strength, psi	Pkg. Qty.		Pkg.
18-8 Stainless Steel with Round Hook







				1/4"-20

				2"	Partially Threaded	1"	Coarse	3/4"	1/4"	60°	70,000	5	94501A111	00000


				4"	Partially Threaded	2"	Coarse	1 1/4"	1/4"	60°	70,000	5	94501A112	0000
				6"	Partially Threaded	2"	Coarse	1 1/4"	1/4"	60°	70,000	5	94501A113	0000
				8"	Partially Threaded	3"	Coarse	1 1/4"	1/4"	60°	70,000	5	94501A114	0000
				10"	Partially Threaded	4"	Coarse	1 1/4"	1/4"	60°	70,000	5	94501A115	00000
				12"	Partially Threaded	4"	Coarse	1 1/4"	1/4"	60°	70,000	5	94501A116	00000




						5/16"-18

						2"	Partially Threaded	3/4"	Coarse	13/16"	5/16"	60°	70,000	5	94501A117	0000


						4"	Partially Threaded	2"	Coarse	1 1/4"	5/16"	60°	70,000	5	94501A118	0000
						6"	Partially Threaded	2"	Coarse	1 1/4"	5/16"	60°	70,000	5	94501A119	00000
						8"	Partially Threaded	3"	Coarse	1 1/4"	5/16"	60°	70,000	5	94501A121	00000
						10"	Partially Threaded	4"	Coarse	1 1/4"	5/16"	60°	70,000	5	94501A122	00000
						12"	Partially Threaded	4"	Coarse	1 1/4"	5/16"	60°	70,000	5	94501A123	00000




								1/2"-13

								2"	Partially Threaded	1/2"	Coarse	3/4"	1/2"	60°	70,000	1	94501A124	0000


								4"	Partially Threaded	1 3/4"	Coarse	1 1/2"	1/2"	60°	70,000	1	94501A125	0000
								6"	Partially Threaded	2"	Coarse	1 1/2"	1/2"	60°	70,000	1	94501A126	0000
								8"	Partially Threaded	3"	Coarse	1 1/2"	1/2"	60°	70,000	1	94501A127	0000
								10"	Partially Threaded	4"	Coarse	1 1/2"	1/2"	60°	70,000	1	94501A128	0000
								12"	Partially Threaded	4"	Coarse	1 1/2"	1/2"	60°	70,000	1	94501A129	0000




										M6 × 1 mm

										50 mm	Partially Threaded	21 mm	Coarse	19 mm	6 mm	60°	70,000	1	94501A131	0000


										100 mm	Partially Threaded	38 mm	Coarse	31 mm	6 mm	60°	70,000	1	94501A132	0000
										150 mm	Partially Threaded	50 mm	Coarse	31 mm	6 mm	60°	70,000	1	94501A133	0000
										200 mm	Partially Threaded	76 mm	Coarse	31 mm	6 mm	60°	70,000	1	94501A134	0000
										250 mm	Partially Threaded	101 mm	Coarse	31 mm	6 mm	60°	70,000	1	94501A135	0000
										300 mm	Partially Threaded	101 mm	Coarse	31 mm	6 mm	60°	70,000	1	94501A136	0000




												M8 × 1.25 mm

50 mm	Partially Threaded											12 mm	Coarse	21 mm	8 mm	60°	70,000	1	94501A137	0000


100 mm	Partially Threaded											50 mm	Coarse	21 mm	8 mm	60°	70,000	1	94501A138	0000
150 mm	Partially Threaded	50 mm										Coarse	31 mm	8 mm	60°	70,000	1	94501A139	0000
200 mm	Partially Threaded	76 mm	Coarse									31 mm	8 mm	60°	70,000	1	94501A141	0000
250 mm	Partially Threaded	101 mm	Coarse									31 mm	8 mm	60°	70,000	1	94501A142	0000
300 mm	Partially Threaded	101 mm	Coarse									31 mm	8 mm	60°	70,000	1	94501A143	0000