304 Stainless Steel Strut Channel Washers | McMaster-Carr

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304 Stainless Steel

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55 Products

Square Strut Channel Washers

Image of ProductInUse. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Square Strut Channel Washers.

Combine these washers with nuts, threaded rods, or bolts to hang strut channel or attach objects to it. They take the pressure off fasteners, protecting mounting surfaces and preventing damage to the channel.

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

		For Channel		Each		Package
	For Rod Dia.	Ht.	Wd.		Each	Pkg. Qty.		Pkg.
304 Stainless Steel



		1/4"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T28	00000	100	3133T281	0000000


		5/16"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T25	0000	100	3133T251	000000
		3/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T14	0000	100	3133T141	000000
		1/2"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T15	0000	100	3133T151	000000
		5/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T26	0000	50	3133T261	000000
		3/4"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T27	0000	25	3133T271	000000
		7/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T29	0000	25	3133T291	000000
		8 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T36	0000	50	3133T361	000000
		10 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T37	0000	50	3133T371	000000
		12 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3133T38	0000	50	3133T381	000000

Wraparound Strut Channel Washers

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Wraparound Strut Channel Washers.

Our most stable washers. Wings reach over the edges of strut channel so washers won’t twist when structures vibrate. They also free up your hands during installation—you don’t have to hold them while you insert a threaded rod and twist on a nut.

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

		For Channel		Each		Package
	For Rod Dia.	Ht.	Wd.		Each	Pkg. Qty.		Pkg.
304 Stainless Steel



		1/4"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1273N4	00000	100	1273N43	0000000


		3/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1273N41	0000	100	1273N413	000000
		1/2"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1273N42	0000	100	1273N423	000000

Tabbed Strut Channel Washers

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Tabbed Strut Channel Washers.

Tabs keep these washers aligned with the channel during and after installation. More stable than square washers, they stay put while you fasten them. Once in place, they’re less likely to rotate if structures vibrate.

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

		For Channel
	For Rod Dia.	Ht.	Wd.		Each
304 Stainless Steel



		1/4"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T21	00000


		5/16"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T29	0000
		3/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T14	0000
		1/2"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T15	0000
		6 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T25	0000
		10 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T26	0000
		12 mm	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3585T27	0000

Slot-Adapting Octagonal Strut Channel Washers

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Slot-Adapting Octagonal Strut Channel Washers.

Convert a strut channel slot into a hole. These octagonal washers nestle inside slotted channel to center threaded rods, bolts, and other hardware. The shape also keeps washers from twisting out of place.

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

		For Channel
	For Rod Dia.	Ht.	Wd.	Pkg. Qty.		Pkg.
304 Stainless Steel



		1/4"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1	3260T34	00000


		3/8"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1	3260T35	0000
		1/2"	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1	3260T36	0000

Slot-Adapting Square Strut Channel Nuts

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Slot-Adapting Square Strut Channel Nuts .

Convert strut channel slots into threaded holes. These nuts cover slotted openings to keep threaded rods, bolts, and other hardware centered.

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

		For Channel
	Thread Size	Ht.	Wd.	Ht.		Each
304 Stainless Steel



		1/4"-20	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1/4"	6246N15	00000


		3/8"-16	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3/8"	6246N16	0000
		1/2"-13	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	1/2"	6246N17	0000

Rectangular Strut Channel Nuts

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Rectangular Strut Channel Nuts.

The most common strut channel nuts, these have serrated grooves that grip the lip inside channel.

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

		For Channel
	Thread Size	Ht.	Wd.	Ht.	Pkg. Qty.		Pkg.
304 Stainless Steel



		8-32	13/32"	13/16"	5/32"	10	3259T771	000000


		10-24	13/32"	13/16"	5/32"	10	3259T772	00000
		10-32	13/32"	13/16"	5/32"	10	3259T773	00000
		1/4"-20	13/32"	13/16"	5/32"	10	3259T774	00000
		1/4"-20	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3/8"	1	3259T775	0000
		3/8"-16	13/16", 1 5/8", 2 7/16", 3 1/4"	1 5/8"	3/8"	1	3259T776	0000
		1/2"-13	1 5/8", 2 7/16", 3 1/4"	1 5/8"	1/2"	1	3259T777	00000

Spring-Loaded Strut Channel Nuts

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Spring-Loaded Strut Channel Nuts.

A built-in spring gives these nuts a push for easy installation. Slide nuts into strut channel and they’ll stay place until you’re ready to fasten with a rod or screw. Like rectangular nuts, these have serrated grooves that grip the lip of the channel.

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

		For Channel
	Thread Size	Ht.	Wd.	Pkg. Qty.		Pkg.
304 Stainless Steel



		10-24	1 5/8"	1 5/8"	1	3259T83	000000


		10-32	13/32"	13/16"	10	3259T401	00000
		1/4"-20	13/32"	13/16"	10	3259T402	00000
		M6 × 1 mm	1 5/8"	1 5/8"	1	3259T211	00000
		M8 × 1.25 mm	1 5/8"	1 5/8"	1	3259T212	00000
		M10 × 1.5 mm	1 5/8"	1 5/8"	1	3259T213	00000

Spring-Loaded Strut Channel Nuts with Stud

Image of Product. Front orientation. Contains Inset. Strut Channel Framing and Fittings. Spring-Loaded Strut Channel Nuts with Stud.

With a built-in spring and threaded stud, these nuts are ready when you are. Slide into strut channel and the spring holds nuts in place until it’s time to secure them. To make installing enclosures and other components easier, attach nuts before mounting them to channel.

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

	Thread		For Channel
	Size	Lg.	Ht.	Wd.		Each
304 Stainless Steel



		1/4"-20	7/8"	1 5/8"	1 5/8"	3580T144	00000


		5/16"-18	7/8"	1 5/8"	1 5/8"	3580T145	0000
		3/8"-16	7/8"	1 5/8"	1 5/8"	3580T146	0000

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)