24" Springs | McMaster-Carr

Stretch up to three times their original length with lasting elasticity. These latex rubber springs extend much farther than traditional extension springs, tie downs, and shock cords. Plus, unlike metal springs, they keep their elasticity even after repeated use. All have a non-locking carabiner with a spring-loaded latch at each end for ease of installation. They’re often used in automotive assembly lines, conveyor systems, and safety mechanisms. Do not use them to hold overhead loads.

Minimum Load—The amount of force required to start extending the spring.

Maximum Load—The amount of force required to fully extend the spring.

			Load					Carabiner
Lg.	OD	Extended Lg. @ Max. Load	Min.	Max., lb.	Spring Rate, lbf/in	Material	Sleeve Material	Lg.	Opening Wd.	Material	Temp. Range, ° F		Each
24"	1.75"	60"	Not Rated	30	0.92	Latex	Polypropylene Fabric	2"	5/16"	Steel	30 to 130	8433K52	000000
24"	1.75"	60"	Not Rated	47	1.31	Latex	Polypropylene Fabric	2"	5/16"	Steel	30 to 130	8433K53	00000
24"	1.75"	60"	Not Rated	77	2.14	Latex	Polypropylene Fabric	2"	5/16"	Steel	30 to 130	8433K54	00000

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing. These winding rods help you safely increase and decrease the tension on the springs that hold the door. Their ends are machined to fit snugly into the springs' tensioning holes, giving you good control and preventing these rods from slipping out as you tension. Use these rods in pairs. For better leverage and easier winding, choose longer rods.

		Step
Dia.	Lg.	Dia.	Lg.	Material		Pair
5/8"	24"	1/2"	1 1/4"	Steel	6166N12	000000

Wear-Resistant 1095 Spring Steel Strips

Also known as blue-tempered steel, this 1095 spring steel has a higher carbon content than 1075 spring steel for better wear resistance. It’s often used for spring clips, washers, and other parts that are under continual stress. These sheets and strips are hardened for increased abrasion and impact resistance.

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

	Wd.	Lg., ft.	Fabrication	Heat Treatment	Yield Strength	Hardness	Mechanical Finish	Specs. Met		Each
0.004" Thick (-0.0004" to 0.0004" Tolerance)



		6"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K121	000000


		0.005" Thick (-0.001" to 0.001" Tolerance)



				6"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K128	00000


				0.008" Thick (-0.001" to 0.001" Tolerance)



						6"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K154	00000


						0.01" Thick (-0.001" to 0.001" Tolerance)



								12 3/8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K11	00000


								0.015" Thick (-0.001" to 0.001" Tolerance)



										8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K202	00000


										10"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K203	00000
										12 3/8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K12	00000


										0.02" Thick (-0.001" to 0.001" Tolerance)



												8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K243	00000


												10"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K244	00000
												12 3/8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K13	00000


												0.025" Thick (-0.001" to 0.001" Tolerance)



														6"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K274	00000


														8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K275	00000
														10"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K276	00000
														12 3/8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K14	00000


														0.028" Thick (-0.001" to 0.001" Tolerance)



6"	2															Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K287	00000


8"	2															Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K288	00000


0.03" Thick (-0.002" to 0.002" Tolerance)



		6"	2													Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K291	00000


		8"	2													Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K292	00000


		0.032" Thick (-0.002" to 0.002" Tolerance)



				6"	2											Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K308	00000


				8"	2	Cold Worked	Hardened									Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K309	00000
				10"	2	Cold Worked	Hardened									Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K311	00000
				12 3/8"	2	Cold Worked	Hardened									Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K15	00000


				0.035" Thick (-0.002" to 0.002" Tolerance)



						6"	2	Cold Worked	Hardened							Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K322	00000


						8"	2	Cold Worked	Hardened							Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K323	00000
						12 3/8"	2	Cold Worked	Hardened							Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K16	00000


						0.042" Thick (-0.002" to 0.002" Tolerance)



								4"	2	Cold Worked	Hardened					Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K337	00000


								6"	2	Cold Worked	Hardened					Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K338	00000
								12 3/8"	2	Cold Worked	Hardened					Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K17	00000


								0.05" Thick (-0.002" to 0.002" Tolerance)



										3"	2	Cold Worked	Hardened			Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K354	00000


										4"	2	Cold Worked	Hardened			Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K355	00000
										12 3/8"	2	Cold Worked	Hardened			Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K18	00000


										0.062" Thick (-0.002" to 0.002" Tolerance)



												2 1/2"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K372	00000


												3"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9075K373	00000
												12 3/8"	2	Cold Worked	Hardened	Not Rated	Rockwell C48 to Rockwell C51 (Extra Hard)	Polished	ASTM A684	9072K19	00000

Formable 1095 Spring Steel Sheets

These sheets are annealed to soften their temper, so they can be formed into shape and then heat treated for spring properties. They’re made from 1095 spring steel, which is more wear resistant than 1075 spring steel because of its higher carbon content. These sheets are often made into parts that will be used under continual stress, such as spring clips and washers.

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

	Lg.	Fabrication	Heat Treatment	Yield Strength	Hardness	Max. Hardness After Heat Treatment	Specs. Met		Each
0.015" Thick (-0.002" to 0.002" Tolerance)



	8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K675	000000


	0.015" Thick (-0.001" to 0.001" Tolerance)



			24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B88 (Medium)	Not Rated	ASTM A684	9043K115	00000


			0.02" Thick (-0.002" to 0.002" Tolerance)



					8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K676	00000


					24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K631	00000


					0.025" Thick (-0.002" to 0.002" Tolerance)



							8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K24	00000


							24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K632	00000


							0.032" Thick (-0.002" to 0.002" Tolerance)



									8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K25	00000


									24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K633	00000


									0.035" Thick (-0.002" to 0.002" Tolerance)



											8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K26	00000


											24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K634	00000


											0.042" Thick (-0.002" to 0.002" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K27	00000


													24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K635	00000


													0.05" Thick (-0.002" to 0.002" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K28	00000


													24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K636	00000


	0.062" Thick (-0.003" to 0.003" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K29	00000


			24"	24"									Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K637	00000


			0.065" Thick (-0.002" to 0.002" Tolerance)



													24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K638	00000


					0.072" Thick (-0.003" to 0.003" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K31	00000


													24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K639	00000


													0.078" Thick (-0.002" to 0.002" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K678	00000


													24"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K641	00000


													0.083" Thick (-0.003" to 0.003" Tolerance)



													8"	24"	Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K32	00000


													0.094" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K33	00000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K643	00000


											0.109" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K34	00000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K644	00000


											0.125" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K35	00000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K645	00000


											0.134" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K679	00000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K646	000000


					0.156" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K681	00000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K647	000000


							0.187" Thick (-0.003" to 0.003" Tolerance)



											8"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K36	000000


											24"	24"			Cold Worked	Annealed	Not Rated	Rockwell B90 (Medium)	Not Rated	ASTM A684	9043K648	000000

High-Strength 1075 Spring Steel Strips

Create high-strength parts that compress and extend without losing shape, such as springs, shims, and clips. Also known as scaleless steel, this 1075 spring steel comes hardened for extra wear and fatigue resistance. However, you’ll need to cut it to shape since it’s too hard to form. For more complex shaping, consider annealed 1075 spring steel sheets, or 1050 for the tightest bends.

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

	Lg., ft.	Fabrication	Heat Treatment	Yield Strength	Hardness		Each
0.094" Thick (-0.002" to 0.002" Tolerance)



	2"	2	Cold Worked	Hardened	Not Rated	Rockwell C45 (Hard)	9074K187	000000


	2 1/2"	2	Cold Worked	Hardened	Not Rated	Rockwell C45 (Hard)	9074K188	00000


	1/8" Thick (-0.002" to 0.002" Tolerance)



			1 1/4"	2	Cold Worked	Hardened	Not Rated	Rockwell C45 (Hard)	9074K197	00000


			1 1/2"	2	Cold Worked	Hardened	Not Rated	Rockwell C45 (Hard)	9074K198	00000

Multipurpose Formable 1050 Spring Steel Sheets

Containing more carbon than low-carbon steel—but less than 1095 spring steel—1050 spring steel is easily formed into parts such as washers, brackets, and springs before being hardened for use. It resists stress, so it won’t snap when formed or twisted. Because it has a lower carbon content than 1095 spring steel, it’s not as wear resistant.

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

	Wd.	Lg.	Fabrication	Heat Treatment	Yield Strength, psi	Hardness	Max. Hardness After Heat Treatment	Specs. Met		Each
0.025" Thick (-0.003" to 0.003" Tolerance)



		8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N12	000000


		0.032" Thick (-0.003" to 0.003" Tolerance)



				8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N22	00000


				0.035" Thick (-0.003" to 0.003" Tolerance)



						8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N32	00000


						0.042" Thick (-0.003" to 0.003" Tolerance)



								8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N42	00000


								0.05" Thick (-0.003" to 0.003" Tolerance)



										8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N52	00000


										0.062" Thick (-0.003" to 0.003" Tolerance)



												8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N62	00000


												0.072" Thick (-0.003" to 0.003" Tolerance)



														8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N72	00000


														0.083" Thick (-0.003" to 0.003" Tolerance)



																8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N82	00000


																0.094" Thick (-0.003" to 0.003" Tolerance)



																		8"	24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N92	000000


																		0.109" Thick (-0.003" to 0.003" Tolerance)



	8"																		24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N112	000000


	1/8" Thick (-0.003" to 0.003" Tolerance)



		8"	24"																	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N115	000000


		0.187" Thick (-0.003" to 0.003" Tolerance)



				8"																24"	Cold Worked	Annealed	38,000	Rockwell B74	Rockwell C58	ASTM A682, ASTM A684	5582N118	000000

High-Strength 1075 Spring Steel Sheets

Form high-strength springs, shims, and clips. 1075 spring steel is easier to shape than 1095 because it’s alloyed with less carbon. For more complex forming, consider 1050 spring steel instead. Once made into a part and heat treated, 1075 continues to hold its shape when compressed and extended, but not as well as 1095.

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

	Wd.	Lg.	Fabrication	Heat Treatment	Yield Strength, psi	Hardness	Max. Hardness After Heat Treatment	Specs. Met		Each
0.015" Thick (-0.003" to 0.003" Tolerance)



		8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K82	000000


		0.02" Thick (-0.003" to 0.003" Tolerance)



				8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K84	00000


				0.025" Thick (-0.003" to 0.003" Tolerance)



						8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K41	00000


						0.032" Thick (-0.003" to 0.003" Tolerance)



								8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K42	00000


								0.035" Thick (-0.003" to 0.003" Tolerance)



										8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K43	00000


										0.042" Thick (-0.003" to 0.003" Tolerance)



												8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K44	00000


												0.05" Thick (-0.003" to 0.003" Tolerance)



														8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K45	00000


														0.062" Thick (-0.003" to 0.003" Tolerance)



																8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K46	00000


																0.072" Thick (-0.003" to 0.003" Tolerance)



																		8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K47	00000


																		0.083" Thick (-0.003" to 0.003" Tolerance)



	8"																		24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K48	00000


	0.094" Thick (-0.003" to 0.003" Tolerance)



		8"	24"																	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K49	00000


		0.109" Thick (-0.003" to 0.003" Tolerance)



				8"																24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K51	00000


				0.125" Thick (-0.003" to 0.003" Tolerance)



																				8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K52	00000


						0.187" Thick (-0.003" to 0.003" Tolerance)



																				8"	24"	Cold Worked	Annealed	50,000	Rockwell B90 (Medium)	Rockwell C64	ASTM A684	9071K53	000000