Turnbuckle-Style Threaded Connecting Rods

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332 Products

Internally Threaded Turnbuckle-Style Connecting Rods

Similar to turnbuckles, these rods have right-hand threads on one end and left-hand threads on the other so you can make a linkage that adjusts for tension. Add right- and left-hand threaded rod ends to build your linkages. Rods have a hex-shaped body so you can adjust them with a wrench.

Note: The end with the left-hand threads is marked with a groove.

Carbon Steel—Carbon steel rods generally handle higher loads than aluminum and stainless steel rods.

18-8 Stainless Steel—18-8 stainless steel rods have good corrosion and chemical resistance.

Aluminum—Aluminum rods are lightweight and have good corrosion resistance.

	Thread Size	Thread Lg.	Hex Size		Each
Carbon Steel







				2" Overall Length

				10-32	1/2"	5/16"	8415N56	00000


				1/4"-28	3/4"	3/8"	8415N57	00000
				5/16"-24	3/4"	1/2"	8415N58	00000
				3/8"-24	3/4"	1/2"	8415N59	00000
				7/16"-20	3/4"	5/8"	8415N61	00000
				1/2"-20	3/4"	5/8"	8415N62	00000
				5/8"-18	3/4"	3/4"	8415N63	00000
				3/4"-16	3/4"	1"	8415N64	00000




						3" Overall Length

						1/4"-28	3/4"	3/8"	8415N67	00000


						5/16"-24	3/4"	1/2"	8415N68	00000
						3/8"-24	1"	1/2"	8415N69	00000
						1/2"-20	1"	5/8"	8415N72	00000
						5/8"-18	1"	3/4"	8415N73	00000
						3/4"-16	1"	1"	8415N74	00000




								4" Overall Length

								10-32	1/2"	5/16"	8415N76	00000


								1/4"-28	3/4"	3/8"	8415N77	00000
								5/16"-24	3/4"	1/2"	8415N78	00000
								3/8"-24	1"	1/2"	8415N79	00000
								7/16"-20	1"	5/8"	8415N81	00000
								1/2"-20	1"	5/8"	8415N82	00000
								5/8"-18	1"	7/8"	8415N83	00000
								3/4"-16	1"	1"	8415N84	00000




										6" Overall Length

										10-32	1/2"	5/16"	8415N86	00000


										1/4"-28	3/4"	3/8"	8415N87	00000
										5/16"-24	3/4"	1/2"	8415N88	00000
										3/8"-24	1"	1/2"	8415N89	00000
										7/16"-20	1"	5/8"	8415N91	00000
										1/2"-20	1"	5/8"	8415N92	00000
										5/8"-18	1"	7/8"	8415N93	00000
3/4"-16										1"	1"	8415N94	00000




		12" Overall Length

		1/4"-28	3/4"							3/8"	8415N97	00000


		3/8"-24	1"							1/2"	8415N99	00000
		7/16"-20	1"							5/8"	8415N101	00000
		1/2"-20	1"							5/8"	8415N102	00000
		5/8"-18	1"							7/8"	8415N103	00000
		3/4"-16	1"							1"	8415N104	00000




										18" Overall Length

										3/8"-24	1"	1/2"	8415N107	00000


				1/2"-20	1"					5/8"	8415N109	00000
				5/8"-18	1"					7/8"	8415N111	000000




										50 mm Overall Length

										M5 × 0.8 mm	12 mm	10 mm	8415N11	0000


										M8 × 1.25 mm	16 mm	12 mm	8415N13	0000
						M10 × 1.5 mm				16 mm	17 mm	8415N14	0000




										76 mm Overall Length

										M6 × 1 mm	16 mm	10 mm	8415N21	0000


										M8 × 1.25 mm	20 mm	12 mm	8415N22	00000
										M10 × 1.5 mm	20 mm	17 mm	8415N23	00000
										M12 × 1.75 mm	20 mm	19 mm	8415N24	00000




									100 mm Overall Length

									M6 × 1 mm		16 mm	10 mm	8415N29	00000


									M8 × 1.25 mm		20 mm	12 mm	8415N31	00000
									M10 × 1.5 mm		25 mm	17 mm	8415N32	00000
									M14 × 2 mm		25 mm	22 mm	8415N34	00000
									M16 × 2 mm		25 mm	24 mm	8415N35	00000




												150 mm Overall Length

M8 × 1.25 mm	20 mm											12 mm	8415N39	00000


M10 × 1.5 mm	25 mm											17 mm	8415N41	00000
M12 × 1.75 mm	25 mm											19 mm	8415N42	00000




												305 mm Overall Length

												M10 × 1.5 mm	25 mm	17 mm	8415N49	00000


		18-8 Stainless Steel







														2" Overall Length

														1/4"-28	3/4"	3/8"	8416N57	00000


				3/8"-24	3/4"									1/2"	8416N59	00000




														3" Overall Length

														1/4"-28	3/4"	3/8"	8416N67	00000


						3/8"-24	1"							1/2"	8416N69	00000
						1/2"-20	1"							5/8"	8416N72	00000




														4" Overall Length

														10-32	1/2"	5/16"	8416N76	00000


								1/4"-28		3/4"				3/8"	8416N77	00000
								5/16"-24		3/4"				1/2"	8416N78	00000
								3/8"-24		1"				1/2"	8416N79	00000
								1/2"-20		1"				5/8"	8416N82	00000
								5/8"-18		1"				7/8"	8416N83	00000




														6" Overall Length

														1/4"-28	3/4"	3/8"	8416N87	00000


									5/16"-24		3/4"			1/2"	8416N88	00000
									1/2"-20		1"			5/8"	8416N92	00000
									5/8"-18		1"			7/8"	8416N93	00000
									3/4"-16		1"			1"	8416N94	00000




														12" Overall Length

3/8"-24	1"													1/2"	8416N99	00000


1/2"-20	1"													5/8"	8416N102	00000




		50 mm Overall Length

		M5 × 0.8 mm	12 mm											10 mm	8416N11	0000


		M6 × 1 mm	16 mm									10 mm		8416N12	0000
		M8 × 1.25 mm	16 mm									12 mm	8416N13	00000
		M10 × 1.5 mm	16 mm									17 mm	8416N14	00000




												76 mm Overall Length

												M6 × 1 mm	16 mm	10 mm	8416N21	00000


				M8 × 1.25 mm	20 mm							12 mm	8416N22	00000
				M10 × 1.5 mm	20 mm							17 mm	8416N23	00000
				M12 × 1.75 mm	20 mm							19 mm	8416N24	00000
				M14 × 2 mm	20 mm							22 mm	8416N25	00000




												100 mm Overall Length

						M6 × 1 mm	16 mm					10 mm	8416N29	00000


						M8 × 1.25 mm	20 mm					12 mm	8416N31	00000
						M10 × 1.5 mm	25 mm					17 mm	8416N32	00000




												150 mm Overall Length

												M5 × 0.8 mm	12 mm	10 mm	8416N37	00000


								M10 × 1.5 mm		25 mm		17 mm	8416N41	00000


								Aluminum







														2" Overall Length

									10-32					1/2"	5/16"	8419K126	00000


									1/4"-28		3/4"			3/8"	8419K11	00000
									5/16"-24		3/4"			1/2"	8419K12	00000
									3/8"-24		3/4"			1/2"	8419K13	00000
									1/2"-20		3/4"			5/8"	8419K14	00000
									3/4"-16		3/4"			1"	8419K15	00000




									3" Overall Length

									6-32		1/2"			5/16"	8419K129	0000


									10-32		1/2"			5/16"	8419K131	00000
									1/4"-28		3/4"			3/8"	8419K22	00000
									5/16"-24		3/4"			1/2"	8419K23	00000
		3/8"-24							1"		1/2"			8419K24	00000
		1/2"-20	1"						5/8"		8419K25			00000
		3/4"-16	1"						1"		8419K26			00000




									4" Overall Length

									10-32		1/2"			5/16"	8419K135	00000


									1/4"-28		3/4"			3/8"	8419K33	00000
				5/16"-24					3/4"		1/2"			8419K34	00000
				3/8"-24	1"				1/2"		8419K35			00000
				1/2"-20	1"				5/8"		8419K36			00000
				3/4"-16	1"				1"		8419K37			00000




									6" Overall Length

									1/4"-28		3/4"			3/8"	8419K61	00000


						5/16"-24	3/4"		1/2"		8419K62			00000
						3/8"-24	1"		1/2"		8419K63			00000
						1/2"-20	1"		5/8"		8419K64			00000
						3/4"-16	1"		1"		8419K65			00000




									12" Overall Length

								1/4"-28	3/4"		3/8"			8419K71	00000


								5/16"-24	3/4"		1/2"			8419K72	00000
								3/8"-24	1"	1/2"	8419K73			00000
								1/2"-20	1"	5/8"	8419K74			00000




										18" Overall Length

										1/2"-20	1"	5/8"	8419K153	00000




												50 mm Overall Length

M10 × 1.5 mm	16 mm											17 mm	8419K84	00000




												76 mm Overall Length

												M6 × 1 mm	16 mm	10 mm	8419K91	00000


												M8 × 1.25 mm	20 mm	12 mm	8419K92	00000




			100 mm Overall Length

			M6 × 1 mm										16 mm	10 mm	8419K99	00000


			M8 × 1.25 mm										20 mm	12 mm	8419K101	00000




														150 mm Overall Length

														M6 × 1 mm	16 mm	10 mm	8419K108	00000


				M10 × 1.5 mm	25 mm									17 mm	8419K111	00000




														305 mm Overall Length

														M8 × 1.25 mm	20 mm	12 mm	8419K118	00000


														M20 × 2.5 mm	25 mm	30 mm	8419K124	00000

Turnbuckle-Style Connecting Rods

Note: The end with the left-hand threads is marked with a groove.

Carbon Steel—Carbon steel rods handle higher loads than aluminum and 18-8 stainless steel rods.

18-8 Stainless Steel—18-8 stainless steel rods are corrosion resistant and stand up to chemicals.

Aluminum—Aluminum rods are lightweight and have good corrosion resistance.

				Carbon Steel		18-8 Stainless Steel		Aluminum
	Thread Size	Thread Lg.	Hex Size		Each		Each		Each
2" Overall Length



		6-32	1/2"	3/16"	8421N73	00000	8422N73	000000	8420K163	00000


		10-32	3/4"	1/4"	8421N74	0000	8422N74	00000	8420K164	0000
		1/4"-28	3/4"	1/4"	8421N75	0000	8422N75	00000	8420K165	0000
		5/16"-24	3/4"	5/16"	8421N76	00000	8422N76	00000	———	0
		3/8"-24	3/4"	3/8"	8421N77	0000	8422N77	00000	———	0
		1/2"-20	3/4"	1/2"	8421N78	00000	8422N78	00000	———	0


		3" Overall Length



				6-32	1/2"	3/16"	8421N79	0000	8422N79	00000	8420K169	0000


				10-32	3/4"	1/4"	8421N81	0000	8422N81	00000	8420K171	0000
				1/4"-28	3/4"	1/4"	8421N82	0000	8422N82	00000	8420K172	0000
				5/16"-24	3/4"	5/16"	8421N83	00000	8422N83	00000	8420K173	00000
				3/8"-24	1"	3/8"	8421N84	00000	8422N84	00000	8420K174	00000
				1/2"-20	1"	1/2"	8421N85	00000	8422N85	00000	8420K175	00000


				4" Overall Length



						10-32	1"	1/4"	8421N87	00000	8422N87	00000	8420K11	00000


						1/4"-28	1"	1/4"	8421N88	00000	8422N88	00000	8420K13	00000
						5/16"-24	1 1/4"	5/16"	8421N89	00000	8422N89	00000	8420K15	00000
						3/8"-24	1 1/4"	3/8"	8421N91	00000	8422N91	00000	8420K17	00000
						7/16"-20	1 1/4"	7/16"	8421N92	00000	8422N92	00000	8420K177	00000
						1/2"-20	1 1/2"	1/2"	8421N93	00000	8422N93	00000	8420K19	00000
						5/8"-18	1 3/4"	5/8"	8421N94	00000	8422N94	00000	8420K178	00000
						3/4"-16	1 3/4"	3/4"	8421N95	00000	8422N95	00000	8420K22	00000


						6" Overall Length



								10-32	1 3/16"	1/4"	8421N97	00000	8422N97	00000	8420K61	00000


								1/4"-28	1 1/2"	1/4"	8421N98	00000	8422N98	00000	8420K63	00000
								5/16"-24	1 5/8"	5/16"	8421N99	00000	8422N99	00000	8420K65	00000
								3/8"-24	2"	3/8"	8421N101	00000	8422N101	00000	8420K67	00000
								1/2"-20	2"	1/2"	8421N103	00000	8422N103	00000	8420K69	00000
								5/8"-18	2"	5/8"	8421N104	00000	8422N104	00000	8420K182	00000
								3/4"-16	2"	3/4"	8421N105	00000	8422N105	00000	8420K72	00000


								12" Overall Length



										10-32	1 3/16"	1/4"	8421N107	00000	8422N107	00000	8420K23	00000


1/4"-28	1 3/16"									1/4"	8421N108	00000	8422N108	00000	8420K25	00000
5/16"-24	1 5/8"									5/16"	8421N109	00000	8422N109	00000	8420K27	00000
3/8"-24	2"									3/8"	8421N111	00000	8422N111	00000	8420K29	00000
1/2"-20	2"									1/2"	8421N113	00000	8422N113	00000	8420K32	00000
3/4"-16	2"									3/4"	8421N115	00000	8422N115	000000	8420K34	00000


18" Overall Length



										10-32	1 3/16"	1/4"	8421N116	00000	8422N116	00000	8420K81	00000


		1/4"-28								1 1/2"	1/4"	8421N117	00000	8422N117	00000	8420K83	00000
		5/16"-24	1 5/8"							5/16"	8421N118	00000	8422N118	00000	8420K85	00000
		3/8"-24	2"							3/8"	8421N119	00000	8422N119	00000	8420K87	00000
		1/2"-20	2"							1/2"	8421N122	00000	8422N122	00000	8420K89	00000
		3/4"-16	2"							3/4"	8421N124	00000	8422N124	000000	8420K92	00000


		24" Overall Length



										1/4"-28	1 1/2"	1/4"	8421N126	00000	———	0	8420K43	00000


										5/16"-24	1 5/8"	5/16"	8421N127	00000	———	0	8420K45	00000
				3/8"-24						2"	3/8"	8421N128	00000	———	0	8420K47	00000
				1/2"-20	2"					1/2"	8421N131	00000	———	0	8420K49	00000
				3/4"-16	2"					3/4"	8421N133	00000	———	0	8420K52	00000


				50 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	8421N11	0000	8422N11	0000	8420K101	0000


										M6 × 1 mm	16 mm	6 mm	8421N12	0000	8422N12	0000	8420K102	0000
										M8 × 1.25 mm	20 mm	8 mm	8421N13	0000	8422N13	0000	8420K103	0000
										M10 × 1.5 mm	20 mm	10 mm	8421N14	0000	8422N14	0000	———	0
										M16 × 2 mm	20 mm	16 mm	8421N17	0000	8422N17	00000	———	0


						76 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	8421N19	0000	8422N19	0000	8420K109	0000


										M6 × 1 mm	16 mm	6 mm	8421N21	0000	8422N21	0000	8420K111	0000
										M8 × 1.25 mm	20 mm	8 mm	8421N22	0000	8422N22	00000	8420K112	00000
										M10 × 1.5 mm	25 mm	10 mm	8421N23	0000	8422N23	00000	8420K113	00000
										M12 × 1.75 mm	25 mm	12 mm	8421N24	0000	8422N24	00000	8420K114	00000


										100 mm Overall Length



									M6 × 1 mm		25 mm	6 mm	8421N29	0000	8422N29	00000	8420K119	00000


									M8 × 1.25 mm		30 mm	8 mm	8421N31	00000	8422N31	00000	8420K121	00000
									M10 × 1.5 mm		30 mm	10 mm	8421N32	00000	8422N32	00000	———	0
									M12 × 1.75 mm		40 mm	12 mm	8421N33	00000	8422N33	00000	———	0
									M14 × 2 mm		40 mm	14 mm	8421N34	00000	———	0	———	0
									M20 × 2.5 mm		40 mm	20 mm	8421N36	00000	———	0	———	0


150 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	8421N37	00000	8422N37	00000	8420K127	00000


									M6 × 1 mm		40 mm	6 mm	8421N38	00000	8422N38	00000	8420K128	00000
									M8 × 1.25 mm		40 mm	8 mm	8421N39	00000	8422N39	00000	8420K129	00000
									M10 × 1.5 mm		50 mm	10 mm	8421N41	00000	8422N41	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	8421N42	00000	8422N42	00000	———	0
									M14 × 2 mm		50 mm	14 mm	8421N43	00000	8422N43	00000	———	0
									M16 × 2 mm		50 mm	16 mm	8421N44	00000	8422N44	00000	———	0
		M20 × 2.5 mm							50 mm		20 mm	8421N45	00000	8422N45	00000	———	0


		305 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	8421N46	00000	8422N46	00000	———	0


									M8 × 1.25 mm		40 mm	8 mm	8421N48	00000	8422N48	00000	———	0
									M10 × 1.5 mm		50 mm	10 mm	8421N49	00000	8422N49	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	8421N51	00000	8422N51	00000	———	0
									M14 × 2 mm		50 mm	14 mm	8421N52	00000	———	0	———	0
				M20 × 2.5 mm					50 mm		20 mm	8421N54	00000	———	0	———	0


				455 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	8421N55	00000	8422N55	00000	———	0


									M6 × 1 mm		40 mm	6 mm	8421N56	00000	8422N56	00000	———	0
									M8 × 1.25 mm		40 mm	8 mm	8421N57	00000	8422N57	00000	———	0
									M10 × 1.5 mm		50 mm	10 mm	8421N58	00000	8422N58	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	8421N59	00000	8422N59	00000	———	0


						610 mm Overall Length



									M6 × 1 mm		40 mm	6 mm	8421N65	00000	———	0	———	0


									M8 × 1.25 mm		40 mm	8 mm	8421N66	00000	———	0	———	0
									M10 × 1.5 mm		50 mm	10 mm	8421N67	00000	———	0	———	0
									M12 × 1.75 mm		50 mm	12 mm	8421N68	00000	———	0	———	0