90° Angle Fiberglass | McMaster-Carr

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104 Products

About Composites

Compare our offering of composites to find the right material for you.

Structural FRP Fiberglass 90° Angles

A lightweight alternative to wood in structural applications, these FRP fiberglass 90° angles are strong. They're made of fiberglass reinforced polyester.

	Outside				Inside								2 ft. Long		5 ft. Long		10 ft. Long		20 ft. Long
	Wd.	Wd. Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Color	Temp. Range, ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Hardness	For Use Outdoors		Each		Each		Each		Each
1/8" Thick Wall (-0.013" to 0.013")



		1"	-0.094" to 0.094"	1"	-0.094" to 0.094"	7/8"	7/8"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K17	00000	8542K51	000000	8542K21	000000	8542K41	000000


		1 1/4"	-0.094" to 0.094"	1 1/4"	-0.094" to 0.094"	1 1/8"	1 1/8"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K18	00000	8542K67	00000	8542K77	00000	8542K42	00000


		3/16" Thick Wall (-0.019" to 0.019")



				3/4"	-0.094" to 0.094"	1"	-0.094" to 0.094"	9/16"	13/16"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K19	00000	8542K66	00000	8542K76	00000	8542K43	00000


				1 1/2"	-0.094" to 0.094"	1 1/2"	-0.094" to 0.094"	1 5/16"	1 5/16"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K81	00000	8542K11	00000	8542K16	00000	8542K44	000000


				1/4" Thick Wall (-0.025" to 0.025")



						1 1/2"	-0.094" to 0.094"	1 1/2"	-0.094" to 0.094"	1 1/4"	1 1/4"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K31	00000	8542K62	00000	8542K52	00000	8542K45	000000


						2"	-0.094" to 0.094"	2"	-0.094" to 0.094"	1 3/4"	1 3/4"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K32	00000	8542K55	00000	8542K25	000000	8542K46	000000
						3"	-0.094" to 0.094"	3"	-0.094" to 0.094"	2 3/4"	2 3/4"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K33	00000	8542K56	00000	8542K26	000000	8542K47	000000
						4"	-0.094" to 0.094"	4"	-0.094" to 0.094"	3 3/4"	3 3/4"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K34	00000	8542K57	000000	8542K27	000000	8542K48	000000


						3/8" Thick Wall (-0.038" to 0.038")



								3"	-0.094" to 0.094"	3"	-0.094" to 0.094"	2 5/8"	2 5/8"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K35	00000	8542K12	000000	8542K22	000000	8542K49	000000


								4"	-0.094" to 0.094"	4"	-0.094" to 0.094"	3 5/8"	3 5/8"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K36	00000	8542K13	000000	8542K23	000000	8542K82	000000
								6"	-0.094" to 0.094"	6"	-0.094" to 0.094"	5 5/8"	5 5/8"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K37	00000	8542K15	000000	8542K29	000000	8542K59	000000


								1/2" Thick Wall (-0.050" to 0.050")



										4"	-0.094" to 0.094"	4"	-0.094" to 0.094"	3 1/2"	3 1/2"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K38	00000	8542K14	000000	8542K24	000000	8542K61	000000


										6"	-0.094" to 0.094"	6"	-0.094" to 0.094"	5 1/2"	5 1/2"	Green	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	8542K39	000000	8542K68	000000	8542K69	000000	8542K83	00000000

Arc-Resistant GPO3 Fiberglass 90° Angles

Because these GPO3 fiberglass 90° angles are arc and track resistant, they are often used for electrical applications in humid environments. They offer better electrical insulation properties than FRP fiberglass. Made of fiberglass-reinforced polyester, they're also called polyester-grade industrial laminate.

	Outside				Inside									3 ft. Long		5 ft. Long		6 ft. Long
	Wd.	Wd. Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Straightness Tolerance	Color	Temp. Range, ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Hardness	For Use Outdoors		Each		Each		Each
UL 94 V-0







				1/8" Thick Wall (-0.020" to 0.020")

				1"	-0.062" to 0.062"	1"	-0.062" to 0.062"	7/8"	7/8"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K735	000000	———	0


				1 1/4"	-0.062" to 0.062"	1 1/4"	-0.062" to 0.062"	1 1/8"	1 1/8"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K736	00000	———	0
				1 1/2"	-0.062" to 0.062"	1 1/2"	-0.062" to 0.062"	1 3/8"	1 3/8"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K737	00000	———	0




						3/16" Thick Wall (-0.020" to 0.020")

						1 1/4"	-0.062" to 0.062"	1 1/4"	-0.062" to 0.062"	1 1/16"	1 1/16"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K738	00000	———	0


						1 1/2"	-0.062" to 0.062"	1 1/2"	-0.062" to 0.062"	1 5/16"	1 5/16"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K739	00000	———	0
						2"	-0.062" to 0.062"	2"	-0.062" to 0.062"	1 13/16"	1 13/16"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K742	000000	———	0
						2 1/4"	-0.062" to 0.062"	1 1/2"	-0.062" to 0.062"	2 1/16"	1 5/16"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K743	00000	———	0
						2 1/2"	-0.062" to 0.062"	1 1/4"	-0.062" to 0.062"	2 5/16"	1 1/16"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K744	000000	———	0
						2 9/16"	-0.063" to 0.063"	1 5/8"	-0.032" to 0.032"	2 3/8"	1 7/16"	0.050"/1 ft.	Red	—	15,000 to 17,000	8.2 to 12	Barcol 40 (Hard)	No	8522K13	000000	———	0	8522K23	000000
						4"	-0.063" to 0.063"	1 5/8"	-0.032" to 0.032"	3 13/16"	1 7/16"	0.050"/1 ft.	Red	—	15,000 to 17,000	8.2 to 12	Barcol 40 (Hard)	No	8522K14	00000	———	0	8522K24	000000




								1/4" Thick Wall (-0.020" to 0.020")

								1 1/2"	-0.062" to 0.062"	1 1/2"	-0.062" to 0.062"	1 1/4"	1 1/4"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K745	00000	———	0


								2"	-0.063" to 0.063"	2"	-0.032" to 0.032"	1 3/4"	1 3/4"	0.050"/1 ft.	Red	—	15,000 to 17,000	8.2 to 12	Barcol 40 (Hard)	No	8522K15	00000	———	0	8522K25	00000
								2 3/4"	-0.062" to 0.062"	2"	-0.062" to 0.062"	2 1/2"	1 3/4"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K746	000000	———	0
								3"	-0.063" to 0.063"	2 3/4"	-0.032" to 0.032"	2 3/4"	2 1/2"	0.050"/1 ft.	Red	—	15,000 to 17,000	8.2 to 12	Barcol 40 (Hard)	No	8522K16	00000	———	0	8522K26	000000
								3"	-0.062" to 0.062"	3"	-0.062" to 0.062"	2 3/4"	2 3/4"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K747	000000	———	0




										3/8" Thick Wall (-0.025" to 0.025")

										1 3/4"	-0.062" to 0.062"	2"	-0.062" to 0.062"	1 3/8"	1 5/8"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K748	000000	———	0


										3"	-0.062" to 0.062"	3"	-0.062" to 0.062"	2 5/8"	2 5/8"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	8522K749	000000	———	0




												1/2" Thick Wall (-0.025" to 0.025")

												6"	-0.062" to 0.062"	3"	-0.062" to 0.062"	5 1/2"	2 1/2"	0.050"/1 ft.	Red	-50 to 265	10,000 to 15,000	8.2 to 12	Rockwell M95 (Hard)	No	———	0	———	0	8522K75	000000

Flame-Retardant FRP Fiberglass 90° Angles

These lightweight FRP fiberglass 90° angles, which are made with a flame-retardant resin, meet NFPA 101 Class A. An alternative to wood in structural applications, they're strong and lightweight.

	Outside				Inside									5 ft. Long		10 ft. Long
	Wd.	Wd. Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Straightness Tolerance	Color	Temp. Range, ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Hardness	For Use Outdoors		Each		Each
NFPA 101 Class A







				1/8" Thick Wall (-0.013" to 0.013")

				1"	-0.094" to 0.094"	1"	-0.094" to 0.094"	7/8"	7/8"	0.050"/1 ft.	Gray	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	9944T44	000000	9944T45	000000




						1/4" Thick Wall (-0.025" to 0.025")

						1 1/2"	-0.094" to 0.094"	1 1/2"	-0.094" to 0.094"	1 1/4"	1 1/4"	0.050"/1 ft.	Gray	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	9944T46	00000	9944T47	000000


						2"	-0.094" to 0.094"	2"	-0.094" to 0.094"	1 3/4"	1 3/4"	0.050"/1 ft.	Gray	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	9944T48	00000	9944T49	000000
						3"	-0.094" to 0.094"	3"	-0.094" to 0.094"	2 3/4"	2 3/4"	0.050"/1 ft.	Gray	-60 to 140	7,000 to 30,000	4 to 25	Barcol 45 (Hard)	Yes	9944T51	000000	9944T52	000000

Multipurpose Flame-Retardant Garolite G-10/FR4 Angles

A good all-around choice, these Garolite G-10/FR4 angles are strong, machinable, and electrically insulating. They're made of flame-retardant epoxy resin with fiberglass fabric reinforcement. Garolite G-10/FR4 is also called epoxy-grade industrial laminate and phenolic.

	Outside				Inside		Temp.							36"
	Wd.	Wd. Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Min.	Max., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Hardness	For Use Outdoors	Mil. Spec.		Each
1/16" Thick Wall (-0.028" to 0.028")







				Yellow

				1"	-0.063" to 0.063"	1"	-0.063" to 0.063"	15/16"	15/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T31	0000000


				1 1/2"	-0.063" to 0.063"	1 1/2"	-0.063" to 0.063"	1 7/16"	1 7/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T32	000000
				2"	-0.063" to 0.063"	2"	-0.063" to 0.063"	1 15/16"	1 15/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T33	000000


				1/8" Thick Wall (-0.028" to 0.028")







								Yellow

								1"	-0.063" to 0.063"	1"	-0.063" to 0.063"	7/8"	7/8"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T11	000000


								1 1/2"	-0.063" to 0.063"	1 1/2"	-0.063" to 0.063"	1 3/8"	1 3/8"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T14	000000
								2"	-0.063" to 0.063"	2"	-0.063" to 0.063"	1 7/8"	1 7/8"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T17	000000


								3/16" Thick Wall (-0.028" to 0.028")







												Yellow

												1"	-0.063" to 0.063"	1"	-0.063" to 0.063"	13/16"	13/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T12	000000


												1 1/2"	-0.063" to 0.063"	1 1/2"	-0.063" to 0.063"	1 5/16"	1 5/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T15	000000
												2"	-0.063" to 0.063"	2"	-0.063" to 0.063"	1 13/16"	1 13/16"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T18	000000


												1/4" Thick Wall (-0.028" to 0.028")







																Yellow

																1"	-0.063" to 0.063"	1"	-0.063" to 0.063"	3/4"	3/4"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T13	000000


																1 1/2"	-0.063" to 0.063"	1 1/2"	-0.063" to 0.063"	1 1/4"	1 1/4"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T16	000000
2"																-0.063" to 0.063"	2"	-0.063" to 0.063"	1 3/4"	1 3/4"	Not Rated	265	32,000 to 40,000	5.5 to 9.5	Rockwell M100 (Extra Hard)	No	MIL-I-24768/27	7300T19	000000

Corner Strut Channel Brackets

Style 3

The most common strut channel brackets. They create stronger connections than surface brackets and are less likely to twist or sway.

Fiberglass—Pair with fiberglass strut channel for a structure that won’t transmit electrical current. When conductivity isn’t a concern, fiberglass is also good for areas exposed to chemicals and salt water.

			Lg.
	Material	Shape	(A)	(B)	Thk.	Hole Dia.	Fasteners Included		Each
Style 3







				For 1 5/8" Channel Width

				Gray Fiberglass	90° Angle	4"	4"	1/4"	3/8"	No	33125T112	000000

Arc-Resistant Garolite G-9 Angles

Machine these angles into arc barriers, switch mounts, and components for circuit breakers and electrical equipment. They resist carrying electric currents in dry or humid areas, even when exposed to sudden electric discharge. Strong, they’re also good for making terminal boards and other structural parts. They won’t crack if hit, and they resist breaking while carrying heavy loads. Meets UL 94 V-0 for flame retardance.

Garolite G-9 is also known as electrical-grade Garolite, melamine-grade industrial laminate, phenolic, and Bakelite.

	Outside				Inside		Temp.							36"
	Wd.	Wd. Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Min.	Max., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Hardness	For Use Outdoors	Flammability Rating		Each
1/8" Thick Wall (-0.03" to 0.03")







				Gray

				1"	-0.125" to 0.125"	1"	-0.125" to 0.125"	7/8"	7/8"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N111	0000000


				1 1/2"	-0.187" to 0.187"	1 1/2"	-0.187" to 0.187"	1 3/8"	1 3/8"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N112	000000
				2"	-0.25" to 0.25"	2"	-0.25" to 0.25"	1 7/8"	1 7/8"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N113	000000


				3/16" Thick Wall (-0.04" to 0.04")







								Gray

								1"	-0.125" to 0.125"	1"	-0.125" to 0.125"	13/16"	13/16"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N114	000000


								1 1/2"	-0.187" to 0.187"	1 1/2"	-0.187" to 0.187"	1 5/16"	1 5/16"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N115	000000
								2"	-0.25" to 0.25"	2"	-0.25" to 0.25"	1 13/16"	1 13/16"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N116	000000


								1/4" Thick Wall (-0.05" to 0.05")







												Gray

												1"	-0.125" to 0.125"	1"	-0.125" to 0.125"	3/4"	3/4"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N117	000000


												1 1/2"	-0.187" to 0.187"	1 1/2"	-0.187" to 0.187"	1 1/4"	1 1/4"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N118	000000
												2"	-0.25" to 0.25"	2"	-0.25" to 0.25"	1 3/4"	1 3/4"	Not Rated	280	30,000 to 37,000	5.5 to 7	Rockwell M120 (Extra Hard)	Yes	UL 94 V-0	6780N119	000000