Foundation Bolts | McMaster-Carr

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153 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	000000000	00000


				10"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				12"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				14"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				24"	3/8"-16	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




						1/2" Diameter

						8"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


						10"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						12"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						14"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						16"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						18"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						24"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




								5/8" Diameter

								8"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


								10"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								12"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								18"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								24"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




										3/4" Diameter

										8"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


										10"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										12"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										14"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										18"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										24"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												1" Diameter

10"												1"-8	4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


12"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
14"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
18"	1"-8	4"										3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
24"	1"-8	4"	3 3/4"									58,000	Not Rated	Not Rated	ASTM A36	000000000	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	000000000	0000


				10"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				12"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				14"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				24"	3/8"-16							2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




												1/2" Diameter

												8"	1/2"-13	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


						10"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						12"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						14"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						16"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						18"	1/2"-13					2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




												5/8" Diameter

												8"	5/8"-11	2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


								10"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								12"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								14"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
								16"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
								18"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
								24"	5/8"-11			2 1/2"	2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												3/4" Diameter

										8"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


										10"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										12"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										14"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										16"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										18"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										24"	3/4"-10	3"	2 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




1" Diameter

12"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


16"	1"-8											4"	3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
18"	1"-8	4"										3 3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
24"	1"-8	4"	3 3/4"									58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


Corrosion-Resistant 18-8 Stainless Steel







												3/8" Diameter

				8"								3/8"-16	2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000


				10"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
				12"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
				14"	3/8"-16							2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000




												1/2" Diameter

												8"	1/2"-13	2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000


						10"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
						12"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
						16"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
						18"	1/2"-13					2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000




												5/8" Diameter

												8"	5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
								12"				5/8"-11	2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000
								18"	5/8"-11			2 1/2"	2"	80,000	Not Rated	Not Rated	—	000000000	00000




												3/4" Diameter

												8"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
												12"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
												14"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
												18"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
										24"	3/4"-10	3"	2 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000




												1" Diameter

												12"	1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000


												18"	1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
24"												1"-8	4"	3 3/4"	80,000	Not Rated	Not Rated	—	000000000	00000

J-Hook

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

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.

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







				3/8" Diameter

				8"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


				10"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				12"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				14"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




						1/2" Diameter

						8"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


						10"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						12"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						16"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						18"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




								5/8" Diameter

								8"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


								10"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								12"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
								18"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




										3/4" Diameter

										8"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


										10"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										12"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
										14"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										18"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										24"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												1" Diameter

												10"	1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


												12"	1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
18"												1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
24"	1"-8											4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


Corrosion-Resistant Hot-Dipped Galvanized Steel







												3/8" Diameter

												8"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


												10"	3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				12"								3/8"-16	2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
				14"	3/8"-16							2.5"	1"	1/2"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000




												1/2" Diameter

												8"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


												10"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
												12"	1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						16"						1/2"-13	2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000
						18"	1/2"-13					2.5"	1 1/4"	5/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												5/8" Diameter

												8"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


												10"	5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
								12"				5/8"-11	2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
								18"	5/8"-11			2.5"	1 1/4"	3/4"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												3/4" Diameter

												8"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	0000


												10"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
												12"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
												14"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										18"		3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
										24"	3/4"-10	3"	1 1/2"	1 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000




												1" Diameter

												10"	1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


												12"	1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
18"												1"-8	4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000
24"	1"-8											4"	3 1/4"	2 1/8"	58,000	Not Rated	Not Rated	ASTM A36	000000000	00000


Corrosion-Resistant 18-8 Stainless Steel







												3/8" Diameter

												8"	3/8"-16	2 1/2"	1"	1/2"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	3/8"-16	2 1/2"	1"	1/2"	80,000	Not Rated	Not Rated	—	000000000	00000
				12"								3/8"-16	2 1/2"	1"	1/2"	80,000	Not Rated	Not Rated	—	000000000	00000
				14"	3/8"-16							2 1/2"	1"	1/2"	80,000	Not Rated	Not Rated	—	000000000	00000




												1/2" Diameter

												8"	1/2"-13	2 1/2"	1 1/4"	5/8"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	1/2"-13	2 1/2"	1 1/4"	5/8"	80,000	Not Rated	Not Rated	—	000000000	00000
												12"	1/2"-13	2 1/2"	1 1/4"	5/8"	80,000	Not Rated	Not Rated	—	000000000	00000
						16"						1/2"-13	2 1/2"	1 1/4"	5/8"	80,000	Not Rated	Not Rated	—	000000000	00000
						18"	1/2"-13					2 1/2"	1 1/4"	5/8"	80,000	Not Rated	Not Rated	—	000000000	00000




												5/8" Diameter

												8"	5/8"-11	2 1/2"	1 1/4"	3/4"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	5/8"-11	2 1/2"	1 1/4"	3/4"	80,000	Not Rated	Not Rated	—	000000000	00000
								12"				5/8"-11	2 1/2"	1 1/4"	3/4"	80,000	Not Rated	Not Rated	—	000000000	00000




												3/4" Diameter

												8"	3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000


												10"	3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000
												12"	3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000
												14"	3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000
												18"	3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000
										24"		3/4"-10	3"	1 1/2"	1 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000




												1" Diameter

												18"	1"-8	4"	3 1/4"	2 1/8"	80,000	Not Rated	Not Rated	—	000000000	00000

Medium-Strength Steel Hold-Down Bolts

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 and have a hook on one end that grabs as the other end is tightened with a nut. Material meets SAE J429 specifications for quality.

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







				1/2"-13 Threads

				4"	Partially Threaded	2"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	000000000	00000


				4 1/2"	Partially Threaded	2"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	000000000	0000
				5"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	000000000	0000
				6"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	000000000	0000
				7"	Partially Threaded	3"	Coarse	1 1/4"	1/2"	63°	120,000	SAE J429	000000000	0000




						5/8"-11 Threads

						5"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	000000000	0000


						6"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	000000000	00000
						7"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	000000000	00000
						8"	Partially Threaded	3"	Coarse	1 1/4"	5/8"	63°	120,000	SAE J429	000000000	00000