M22 Rods | McMaster-Carr

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32 Products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications, from mounting I-beams to suspending light fixtures.

High-Strength Steel

Image of Product. Front orientation. Threaded Rods. Threaded Rods.

With a tensile strength of 150,000 psi, these rods are strong enough to stabilize steel frameworks and structural supports, such as I-beams. They are about 25% stronger than medium-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also high-strength steel.

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

	Hardness	Specs. Met		Each
Steel





	M22 × 2.5 mm
	50 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	000000
	100 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000
	150 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000
	200 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000
	300 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000
	500 mm	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000
	1 m	150,000 psi	ISO Class 10.9	Rockwell C32	DIN 976	0000000	00000

Medium-Strength Steel

With tensile strengths from 110,000 psi to 125,000 psi, these rods are strong enough for most industrial applications, such as anchoring machinery and connecting pipe flanges. They are about twice as strong as low-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also medium-strength steel.

Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.

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

	Hardness	Specs. Met		Each
Zinc-Plated Steel





	M22 × 2.5 mm
	1 m	110,000 psi	ISO Class 8.8	Rockwell C20	DIN 975	000000000	000000

	Steel





					M22 × 1.5 mm
					150 mm	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 976	000000000	00000
					300 mm	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 975	000000000	00000
					1 m	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 976	000000000	000000



							M22 × 2.5 mm
							300 mm	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 976	000000000	00000
							1 m	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 976	000000000	00000
							2 m	125,000 psi	ASTM Grade B7	Rockwell C35	ASTM A193, DIN 976	000000000	000000

Low-Strength Steel

With a tensile strength of 50,000 psi or 60,000 psi, these rods are often used to suspend light fixtures, cable trays, and conduit from ceilings. They're about half the strength of medium-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also low-strength steel.

Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.

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

	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel





	M22 × 2.5 mm
	300 mm	50,000 psi	Rockwell B49	DIN 976	1	000000000	000000
	1 m	50,000 psi	Rockwell B49	DIN 976	1	000000000	00000

	Steel





					M22 × 1.5 mm
					150 mm	50,000 psi	Rockwell B49	DIN 976	1	000000000	00000
					300 mm	50,000 psi	Rockwell B49	DIN 976	1	000000000	00000
					1 m	50,000 psi	Rockwell B49	DIN 976	1	000000000	00000



							M22 × 2.5 mm
							1 m	50,000 psi	Rockwell B49	DIN 976	1	000000000	00000

Extreme-Strength Steel

Our strongest threaded rods have a tensile strength of 170,000 psi to hold up in your most demanding high-stress applications. They're about 20% stronger than high-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also extreme-strength steel.

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

	Hardness	Specs. Met		Each
Steel





	M22 × 2.5 mm
	1	170,000 psi	ISO Class 12.9	Rockwell C39	DIN 976	00000000	0000000

Stainless Steel

More corrosion resistant than steel rods and comparable in strength to low-strength steel.

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

	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel





	M22 × 2.5 mm
	300 mm	70,000 psi	Not Rated	DIN 976	1	000000000	000000
	1 m	70,000 psi	Not Rated	DIN 976	1	000000000	000000
	2 m	70,000 psi	Not Rated	DIN 976	1	000000000	000000

Coupling Nuts

Also known as extension nuts, these are commonly used to connect lengths of threaded rod and join threaded parts.

Low-Strength Steel

Rated Grade 2 or lower, these are about half as strong as medium-strength steel coupling nuts. Use them with threaded rods that have a comparable strength rating to avoid stripping threads during installation.

Zinc-Plated Steel—A step up from plain steel, the zinc plating withstands occasional exposure to moisture.

Black-Oxide Steel—A dark, matte coating creates a finished look. Nuts offer minimal corrosion resistance, so they're best for dry environments.

							Each
	Thread Size	Lg., mm	Wd., mm	Threading	Specs. Met		1-9	10-Up
Zinc-Plated Steel


		M22 × 2.5 mm	66	32	Fully Threaded	DIN 6334	000000000	000000	000000

		Black-Oxide Steel


				M22 × 2.5 mm	66	32	Fully Threaded	DIN 6334	000000000	00000	00000

Medium-Strength Steel

These Grade 5 or Class 8 nuts are about twice as strong as low-strength steel coupling nuts. Use them with threaded rods that have a comparable strength rating to avoid stripping threads during installation.

Zinc-Plated Steel—A step up from plain steel, the zinc plating withstands occasional exposure to moisture.

								Each
	Thread Size	Lg., mm	Wd., mm	Fastener Strength Grade/Class	Threading	Specs. Met		1-9	10-Up
Zinc-Plated Steel


		M22 × 2.5 mm	66	32	ISO Class 8	Fully Threaded	ASME B18.2.2, DIN 6334	000000000	000000	000000

Corrosion-Resistant Stainless Steel

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

								Each
	Thread Size	Lg., mm	Wd., mm	Threading	Min. Thread Lg., mm	Specs. Met		1-9	10-Up
18-8 Stainless Steel


		M22 × 2.5 mm	66	32	Fully Threaded	__	ASME B18.2.2, DIN 6334	000000000	000000	000000
		M22 × 2.5 mm	132	30	Partially Threaded	22	__	000000000	000000	000000

Threaded on Both Ends Setup Studs

Known as setup studs, these studs withstand sideways forces better than fully threaded studs because they have a strong unthreaded middle. The unthreaded middle also makes more contact with unthreaded holes, creating better alignment than a fully threaded stud.

Black-Oxide Steel

Image of Product. Front orientation. Contains Annotated. Setup Studs.

Black-oxide steel studs resist rusting in dry environments.

DIN 6379—Studs that meet DIN standards meet dimensional and material requirements.

	Thread, mm
	Lg. (A)	Lg. (B)	Lg., mm	Tensile Strength, psi	Specs. Met		Each
M22 × 2.5 mm


		45	31	100	100,000	DIN 6379	000000000	000000
		122	31	200	100,000	DIN 6379	000000000	00000
		180	31	315	100,000	DIN 6379	000000000	00000