7/8"-9 Shoulder Bolts | McMaster-Carr

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37 Products

Steel Hex-Drive Shoulder Screws

Our strongest standard-fit shoulder screws. With the highest tensile strength, they withstand stress and mechanical loads that would break other materials, such as aluminum, nickel, and stainless steel. However, they do sacrifice corrosion resistance.

Black-Oxide Alloy Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

				Head						Each
	Shoulder Lg.	Thread Size	Thread Lg.	Dia.	Ht.	Drive Size	Tensile Strength, psi	Specs. Met		1-4	5-Up
Black-Oxide Alloy Steel







				1 1/4" Diameter Shoulder (-0.004" to -0.002" Tolerance)

				1 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	000000	000000


				1 3/4"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				2 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				3"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				3 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				4"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				5"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000
				6"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	140,000	ASME B18.3	000000000	00000	00000

Stainless Steel Hex-Drive Shoulder Screws

These screws hold up against moisture and chemicals better than their steel counterparts, but they aren't as strong.

Check out our Made-to-Order Stainless Steel Hex-Drive Shoulder Screws if you don't see the shoulder length you need.

Highly Corrosion-Resistant Black-Oxide 316 Stainless Steel—Combines a finished appearance with the rust resistance of 316 stainless steel. Even if the coating wears off, these screws will hold up against corrosive agents in most environments, including salt water and most chemicals.

				Head							Each
	Shoulder Lg.	Thread Size	Thread Lg.	Dia.	Ht.	Drive Size	Tensile Strength, psi	Specs. Met	Material Certificate Form		1-4	5-Up
Highly Corrosion-Resistant Black-Oxide 316 Stainless Steel







				1 1/4" Diameter Shoulder (-0.004" to -0.002" Tolerance)

				1"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	0000000	0000000


				1 1/4"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	—	00000000	000000	000000
				1 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				1 3/4"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	—	00000000	000000	000000
				2 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				3"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				3 1/2"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				4"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				5"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000
				6"	7/8"-9	1 1/8"	1 3/4"	3/4"	5/8"	70,000	ASME B18.3	Digital	00000000	000000	000000

Made-to-Order Same-Size Thread Stainless Steel Hex-Drive Shoulder Screws

Harness superior holding power with custom-shoulder-length screws that also won't rust. These are ideal for replacing fasteners in older machines or for testing prototypes. Threads that match the shoulder diameter give them a tighter hold than screws with a standard thread diameter. Use them in thicker materials and larger holes.

18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

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

				Head						Each
	Choose a Shoulder Length	Thread Size	Thread Lg.	Dia.	Ht.	Drive Size	Tensile Strength, psi	Material Certificate Form		1-4	5-9	10-Up
18-8 Stainless Steel







				7/8" Diameter Shoulder (-0.004" to -0.002" Tolerance)

				0.50" to 1.99"	7/8"-9	1"	1 5/16"	5/8"	1/2"	70,000	Digital	000000000	000000	000000	000000


				2.00" to 3.99"	7/8"-9	1"	1 5/16"	5/8"	1/2"	70,000	Digital	000000000	000000	00000	00000

Rotating Eyebolts—For Lifting

Unlike conventional eyebolts, you can rotate the eye 360° to match the angle of your load.

Note: Capacities listed are for vertical lifting only. Eyebolts with shoulder can be used for angular lifting up to 45°, but the capacities will be significantly reduced. For angular lifting, we recommend Hoist Rings.

Warning: Never use to lift people or items over people.

Powder-Coated Steel

Powder-coated steel eyebolts are impact resistant, but less corrosion resistant than stainless steel eyebolts. They include a removable key for tightening the bolt.

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread							With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Color	Overall Lg.		Each
Closed Eye



		7/8"-9	1 5/32"	1 5/32"	1 9/16"	5,050	Fully Threaded	Pink	4 1/8"	00000000	0000000

Eyebolts—For Lifting

Also known as machinery eyebolts.

Warning: Never use to lift people or items over people.

Steel

Closed Eye

With Shoulder

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread							With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Specs. Met	Threading	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/4"	2 1/4"	1 11/16"	7,000	ASTM A489	Fully Threaded	6 1/4"	0000000	000000


		7/8"-9	3"	3"	1 11/16"	7,000	—	Fully Threaded	7"	00000000	00000
		7/8"-9	4"	4"	1 11/16"	7,000	—	Fully Threaded	8"	00000000	00000
		7/8"-9	5"	5"	1 11/16"	7,000	—	Fully Threaded	9"	00000000	00000

Zinc-Plated Steel

Closed Eye

With Shoulder

Zinc-plated steel eyebolts offer good corrosion resistance.

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread						With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/4"	2 1/4"	1 11/16"	7,000	Fully Threaded	6"	00000000	000000


		7/8"-9	3"	3"	1 11/16"	7,000	Fully Threaded	7"	00000000	00000
		7/8"-9	4"	4"	1 11/16"	7,000	Fully Threaded	8"	00000000	00000
		7/8"-9	5"	5"	1 11/16"	7,000	Fully Threaded	9"	00000000	00000

Eyebolts with Nuts—For Lifting

Also known as nut eyebolts, these are designed for through-hole applications.

Warning: Never use to lift people or items over people.

Galvanized Steel

Closed Eye

With Shoulder

Galvanized steel eyebolts have a hot-dipped finish for more corrosion resistance than zinc-plated steel.

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread						Nuts		With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Number Included	Type	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/2"	5"	1 3/4"	7,000	Partially Threaded	1	Hex	9 1/4"	0000000	000000


		7/8"-9	4"	8"	1 3/4"	7,000	Partially Threaded	1	Hex	12 1/8"	0000000	00000

316 Stainless Steel

Closed Eye

With Shoulder

316 stainless steel eyebolts are the most corrosion resistant.

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread						Nuts			With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Number Included	Type	No. of Washers Included	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/2"	5"	1 3/4"	7,125	Partially Threaded	1	Hex	1	8 5/8"	0000000	0000000

Low-Temperature Eyebolts—For Lifting

These eyebolts retain their strength in temperatures as low as -40° F.

Warning: Never use to lift people or items over people.

Steel

Closed Eye

With Shoulder

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread								With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Specs. Met	Threading	Min. Temp., ° F	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/4"	2 1/4"	1 11/16"	7,000	ASTM F541	Fully Threaded	-40	6"	0000000	0000000

Low-Visibility Eyebolts—For Lifting

The matte black-oxide finish won't reflect light, allowing the eyebolts to blend into the background.

Warning: Never use to lift people or items over people.

Black-Oxide Steel

Closed Eye,

With

Shoulder

Black-oxide steel eyebolts are more corrosion resistant than zinc-plated steel.

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread							With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Appearance	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/4"	2 1/4"	1 11/16"	7,000	Fully Threaded	Dull	6"	0000000	000000

Nylon-Coated Eyebolts—For Lifting

Route wire and cable through the smooth eye without snagging.

Warning: Never use to lift people or items over people.

Nylon-Coated Steel

Closed Eye

With Shoulder

Closed Eye—Closed eyes are stronger than bent-closed eyes.

	Thread							With Shoulder
	Size	Lg.	Shank Lg.	Eye Dia.	Vert. Cap., lb.	Threading	Temp. Range, ° F	Overall Lg.		Each
Closed Eye



		7/8"-9	2 1/4"	2 1/4"	1 11/16"	7,000	Fully Threaded	30 to 275	6"	0000000	000000