Right and Left Hand Threaded Rods

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System of Measurement

Thread Size

Thread Direction

Right Hand and Left Hand

Overall Length

Material

Gender

Threading

Threaded on Both Ends

Length

Thread Length

Hex Size

Rod Shape

Thread Pitch

Component

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

Thread Type

Nut Type

Finish

Travel Length

Usable Left-Hand Thread Length

16 1/2"

17"

Number of Thread Starts

Travel Distance per Turn

Tensile Strength

40,000 psi to 99,999 psi

100,000 psi or greater

Usable Right-Hand Thread Length

340 Products

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 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"	0000000	00000	0000000	000000	00000000	00000


		10-32	3/4"	1/4"	0000000	0000	0000000	00000	00000000	0000
		1/4"-28	3/4"	1/4"	0000000	0000	0000000	00000	00000000	0000
		5/16"-24	3/4"	5/16"	0000000	00000	0000000	00000	———	0
		3/8"-24	3/4"	3/8"	0000000	0000	0000000	00000	———	0
		1/2"-20	3/4"	1/2"	0000000	00000	0000000	00000	———	0


		3" Overall Length



				6-32	1/2"	3/16"	0000000	0000	0000000	00000	00000000	0000


				10-32	3/4"	1/4"	0000000	0000	0000000	00000	00000000	0000
				1/4"-28	3/4"	1/4"	0000000	0000	0000000	00000	00000000	0000
				5/16"-24	3/4"	5/16"	0000000	00000	0000000	00000	00000000	00000
				3/8"-24	1"	3/8"	0000000	00000	0000000	00000	00000000	00000
				1/2"-20	1"	1/2"	0000000	00000	0000000	00000	00000000	00000


				4" Overall Length



						10-32	1"	1/4"	0000000	00000	0000000	00000	0000000	00000


						1/4"-28	1"	1/4"	0000000	00000	0000000	00000	0000000	00000
						5/16"-24	1 1/4"	5/16"	0000000	00000	0000000	00000	0000000	00000
						3/8"-24	1 1/4"	3/8"	0000000	00000	0000000	00000	0000000	00000
						7/16"-20	1 1/4"	7/16"	0000000	00000	0000000	00000	00000000	00000
						1/2"-20	1 1/2"	1/2"	0000000	00000	0000000	00000	0000000	00000
						5/8"-18	1 3/4"	5/8"	0000000	00000	0000000	00000	00000000	00000
						3/4"-16	1 3/4"	3/4"	0000000	00000	0000000	00000	0000000	00000


						6" Overall Length



								10-32	1 3/16"	1/4"	0000000	00000	0000000	00000	0000000	00000


								1/4"-28	1 1/2"	1/4"	0000000	00000	0000000	00000	0000000	00000
								5/16"-24	1 5/8"	5/16"	0000000	00000	0000000	00000	0000000	00000
								3/8"-24	2"	3/8"	00000000	00000	00000000	00000	0000000	00000
								1/2"-20	2"	1/2"	00000000	00000	00000000	00000	0000000	00000
								5/8"-18	2"	5/8"	00000000	00000	00000000	00000	00000000	00000
								3/4"-16	2"	3/4"	00000000	00000	00000000	00000	0000000	00000


								12" Overall Length



										10-32	1 3/16"	1/4"	00000000	00000	00000000	00000	0000000	00000


1/4"-28	1 3/16"									1/4"	00000000	00000	00000000	00000	0000000	00000
5/16"-24	1 5/8"									5/16"	00000000	00000	00000000	00000	0000000	00000
3/8"-24	2"									3/8"	00000000	00000	00000000	00000	0000000	00000
1/2"-20	2"									1/2"	00000000	00000	00000000	00000	0000000	00000
3/4"-16	2"									3/4"	00000000	00000	00000000	000000	0000000	00000


18" Overall Length



										10-32	1 3/16"	1/4"	00000000	00000	00000000	00000	0000000	00000


		1/4"-28								1 1/2"	1/4"	00000000	00000	00000000	00000	0000000	00000
		5/16"-24	1 5/8"							5/16"	00000000	00000	00000000	00000	0000000	00000
		3/8"-24	2"							3/8"	00000000	00000	00000000	00000	0000000	00000
		1/2"-20	2"							1/2"	00000000	00000	00000000	00000	0000000	00000
		3/4"-16	2"							3/4"	00000000	00000	00000000	000000	0000000	00000


		24" Overall Length



										1/4"-28	1 1/2"	1/4"	00000000	00000	———	0	0000000	00000


										5/16"-24	1 5/8"	5/16"	00000000	00000	———	0	0000000	00000
				3/8"-24						2"	3/8"	00000000	00000	———	0	0000000	00000
				1/2"-20	2"					1/2"	00000000	00000	———	0	0000000	00000
				3/4"-16	2"					3/4"	00000000	00000	———	0	0000000	00000


				50 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	0000000	0000	0000000	0000	00000000	0000


										M6 × 1 mm	16 mm	6 mm	0000000	0000	0000000	0000	00000000	0000
										M8 × 1.25 mm	20 mm	8 mm	0000000	0000	0000000	0000	00000000	0000
										M10 × 1.5 mm	20 mm	10 mm	0000000	0000	0000000	0000	———	0
										M16 × 2 mm	20 mm	16 mm	0000000	0000	0000000	00000	———	0


						76 mm Overall Length



										M5 × 0.8 mm	12 mm	5 mm	0000000	0000	0000000	0000	00000000	0000


										M6 × 1 mm	16 mm	6 mm	0000000	0000	0000000	0000	00000000	0000
										M8 × 1.25 mm	20 mm	8 mm	0000000	0000	0000000	00000	00000000	00000
										M10 × 1.5 mm	25 mm	10 mm	0000000	0000	0000000	00000	00000000	00000
										M12 × 1.75 mm	25 mm	12 mm	0000000	0000	0000000	00000	00000000	00000


										100 mm Overall Length



									M6 × 1 mm		25 mm	6 mm	0000000	0000	0000000	00000	00000000	00000


									M8 × 1.25 mm		30 mm	8 mm	0000000	00000	0000000	00000	00000000	00000
									M10 × 1.5 mm		30 mm	10 mm	0000000	00000	0000000	00000	———	0
									M12 × 1.75 mm		40 mm	12 mm	0000000	00000	0000000	00000	———	0
									M14 × 2 mm		40 mm	14 mm	0000000	00000	———	0	———	0
									M20 × 2.5 mm		40 mm	20 mm	0000000	00000	———	0	———	0


150 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	0000000	00000	0000000	00000	00000000	00000


									M6 × 1 mm		40 mm	6 mm	0000000	00000	0000000	00000	00000000	00000
									M8 × 1.25 mm		40 mm	8 mm	0000000	00000	0000000	00000	00000000	00000
									M10 × 1.5 mm		50 mm	10 mm	0000000	00000	0000000	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	0000000	00000	0000000	00000	———	0
									M14 × 2 mm		50 mm	14 mm	0000000	00000	0000000	00000	———	0
									M16 × 2 mm		50 mm	16 mm	0000000	00000	0000000	00000	———	0
		M20 × 2.5 mm							50 mm		20 mm	0000000	00000	0000000	00000	———	0


		305 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	0000000	00000	0000000	00000	———	0


									M8 × 1.25 mm		40 mm	8 mm	0000000	00000	0000000	00000	———	0
									M10 × 1.5 mm		50 mm	10 mm	0000000	00000	0000000	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	0000000	00000	0000000	00000	———	0
									M14 × 2 mm		50 mm	14 mm	0000000	00000	———	0	———	0
				M20 × 2.5 mm					50 mm		20 mm	0000000	00000	———	0	———	0


				455 mm Overall Length



									M5 × 0.8 mm		30 mm	5 mm	0000000	00000	0000000	00000	———	0


									M6 × 1 mm		40 mm	6 mm	0000000	00000	0000000	00000	———	0
									M8 × 1.25 mm		40 mm	8 mm	0000000	00000	0000000	00000	———	0
									M10 × 1.5 mm		50 mm	10 mm	0000000	00000	0000000	00000	———	0
									M12 × 1.75 mm		50 mm	12 mm	0000000	00000	0000000	00000	———	0


						610 mm Overall Length



									M6 × 1 mm		40 mm	6 mm	0000000	00000	———	0	———	0


									M8 × 1.25 mm		40 mm	8 mm	0000000	00000	———	0	———	0
									M10 × 1.5 mm		50 mm	10 mm	0000000	00000	———	0	———	0
									M12 × 1.75 mm		50 mm	12 mm	0000000	00000	———	0	———	0

Internally Threaded Turnbuckle-Style Connecting Rods

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"	0000000	00000


				1/4"-28	3/4"	3/8"	0000000	00000
				5/16"-24	3/4"	1/2"	0000000	00000
				3/8"-24	3/4"	1/2"	0000000	00000
				7/16"-20	3/4"	5/8"	0000000	00000
				1/2"-20	3/4"	5/8"	0000000	00000
				5/8"-18	3/4"	3/4"	0000000	00000
				3/4"-16	3/4"	1"	0000000	00000




						3" Overall Length

						1/4"-28	3/4"	3/8"	0000000	00000


						5/16"-24	3/4"	1/2"	0000000	00000
						3/8"-24	1"	1/2"	0000000	00000
						1/2"-20	1"	5/8"	0000000	00000
						5/8"-18	1"	3/4"	0000000	00000
						3/4"-16	1"	1"	0000000	00000




								4" Overall Length

								10-32	1/2"	5/16"	0000000	00000


								1/4"-28	3/4"	3/8"	0000000	00000
								5/16"-24	3/4"	1/2"	0000000	00000
								3/8"-24	1"	1/2"	0000000	00000
								7/16"-20	1"	5/8"	0000000	00000
								1/2"-20	1"	5/8"	0000000	00000
								5/8"-18	1"	7/8"	0000000	00000
								3/4"-16	1"	1"	0000000	00000




										6" Overall Length

										10-32	1/2"	5/16"	0000000	00000


										1/4"-28	3/4"	3/8"	0000000	00000
										5/16"-24	3/4"	1/2"	0000000	00000
										3/8"-24	1"	1/2"	0000000	00000
										7/16"-20	1"	5/8"	0000000	00000
										1/2"-20	1"	5/8"	0000000	00000
										5/8"-18	1"	7/8"	0000000	00000
3/4"-16										1"	1"	0000000	00000




		12" Overall Length

		1/4"-28	3/4"							3/8"	0000000	00000


		3/8"-24	1"							1/2"	0000000	00000
		7/16"-20	1"							5/8"	00000000	00000
		1/2"-20	1"							5/8"	00000000	00000
		5/8"-18	1"							7/8"	00000000	00000
		3/4"-16	1"							1"	00000000	00000




										18" Overall Length

										3/8"-24	1"	1/2"	00000000	00000


				1/2"-20	1"					5/8"	00000000	00000
				5/8"-18	1"					7/8"	00000000	000000




										50 mm Overall Length

										M5 × 0.8 mm	12 mm	10 mm	0000000	0000


										M8 × 1.25 mm	16 mm	12 mm	0000000	0000
						M10 × 1.5 mm				16 mm	17 mm	0000000	0000




										76 mm Overall Length

										M6 × 1 mm	16 mm	10 mm	0000000	0000


										M8 × 1.25 mm	20 mm	12 mm	0000000	00000
										M10 × 1.5 mm	20 mm	17 mm	0000000	00000
										M12 × 1.75 mm	20 mm	19 mm	0000000	00000




									100 mm Overall Length

									M6 × 1 mm		16 mm	10 mm	0000000	00000


									M8 × 1.25 mm		20 mm	12 mm	0000000	00000
									M10 × 1.5 mm		25 mm	17 mm	0000000	00000
									M14 × 2 mm		25 mm	22 mm	0000000	00000
									M16 × 2 mm		25 mm	24 mm	0000000	00000




												150 mm Overall Length

M8 × 1.25 mm	20 mm											12 mm	0000000	00000


M10 × 1.5 mm	25 mm											17 mm	0000000	00000
M12 × 1.75 mm	25 mm											19 mm	0000000	00000




												305 mm Overall Length

												M10 × 1.5 mm	25 mm	17 mm	0000000	00000


		18-8 Stainless Steel







														2" Overall Length

														1/4"-28	3/4"	3/8"	0000000	00000


				3/8"-24	3/4"									1/2"	0000000	00000




														3" Overall Length

														1/4"-28	3/4"	3/8"	0000000	00000


						3/8"-24	1"							1/2"	0000000	00000
						1/2"-20	1"							5/8"	0000000	00000




														4" Overall Length

														10-32	1/2"	5/16"	0000000	00000


								1/4"-28		3/4"				3/8"	0000000	00000
								5/16"-24		3/4"				1/2"	0000000	00000
								3/8"-24		1"				1/2"	0000000	00000
								1/2"-20		1"				5/8"	0000000	00000
								5/8"-18		1"				7/8"	0000000	00000




														6" Overall Length

														1/4"-28	3/4"	3/8"	0000000	00000


									5/16"-24		3/4"			1/2"	0000000	00000
									1/2"-20		1"			5/8"	0000000	00000
									5/8"-18		1"			7/8"	0000000	00000
									3/4"-16		1"			1"	0000000	00000




														12" Overall Length

3/8"-24	1"													1/2"	0000000	00000


1/2"-20	1"													5/8"	00000000	00000




		50 mm Overall Length

		M5 × 0.8 mm	12 mm											10 mm	0000000	0000


		M6 × 1 mm	16 mm									10 mm		0000000	0000
		M8 × 1.25 mm	16 mm									12 mm	0000000	00000
		M10 × 1.5 mm	16 mm									17 mm	0000000	00000




												76 mm Overall Length

												M6 × 1 mm	16 mm	10 mm	0000000	00000


				M8 × 1.25 mm	20 mm							12 mm	0000000	00000
				M10 × 1.5 mm	20 mm							17 mm	0000000	00000
				M12 × 1.75 mm	20 mm							19 mm	0000000	00000
				M14 × 2 mm	20 mm							22 mm	0000000	00000




												100 mm Overall Length

						M6 × 1 mm	16 mm					10 mm	0000000	00000


						M8 × 1.25 mm	20 mm					12 mm	0000000	00000
						M10 × 1.5 mm	25 mm					17 mm	0000000	00000




												150 mm Overall Length

												M5 × 0.8 mm	12 mm	10 mm	0000000	00000


								M10 × 1.5 mm		25 mm		17 mm	0000000	00000


								Aluminum







														2" Overall Length

									10-32					1/2"	5/16"	00000000	00000


									1/4"-28		3/4"			3/8"	0000000	00000
									5/16"-24		3/4"			1/2"	0000000	00000
									3/8"-24		3/4"			1/2"	0000000	00000
									1/2"-20		3/4"			5/8"	0000000	00000
									3/4"-16		3/4"			1"	0000000	00000




									3" Overall Length

									6-32		1/2"			5/16"	00000000	0000


									10-32		1/2"			5/16"	00000000	00000
									1/4"-28		3/4"			3/8"	0000000	00000
									5/16"-24		3/4"			1/2"	0000000	00000
		3/8"-24							1"		1/2"			0000000	00000
		1/2"-20	1"						5/8"		0000000			00000
		3/4"-16	1"						1"		0000000			00000




									4" Overall Length

									10-32		1/2"			5/16"	00000000	00000


									1/4"-28		3/4"			3/8"	0000000	00000
				5/16"-24					3/4"		1/2"			0000000	00000
				3/8"-24	1"				1/2"		0000000			00000
				1/2"-20	1"				5/8"		0000000			00000
				3/4"-16	1"				1"		0000000			00000




									6" Overall Length

									1/4"-28		3/4"			3/8"	0000000	00000


						5/16"-24	3/4"		1/2"		0000000			00000
						3/8"-24	1"		1/2"		0000000			00000
						1/2"-20	1"		5/8"		0000000			00000
						3/4"-16	1"		1"		0000000			00000




									12" Overall Length

								1/4"-28	3/4"		3/8"			0000000	00000


								5/16"-24	3/4"		1/2"			0000000	00000
								3/8"-24	1"	1/2"	0000000			00000
								1/2"-20	1"	5/8"	0000000			00000




										18" Overall Length

										1/2"-20	1"	5/8"	00000000	00000




												50 mm Overall Length

M10 × 1.5 mm	16 mm											17 mm	0000000	00000




												76 mm Overall Length

												M6 × 1 mm	16 mm	10 mm	0000000	00000


												M8 × 1.25 mm	20 mm	12 mm	0000000	00000




			100 mm Overall Length

			M6 × 1 mm										16 mm	10 mm	0000000	00000


			M8 × 1.25 mm										20 mm	12 mm	00000000	00000




														150 mm Overall Length

														M6 × 1 mm	16 mm	10 mm	00000000	00000


				M10 × 1.5 mm	25 mm									17 mm	00000000	00000




														305 mm Overall Length

														M8 × 1.25 mm	20 mm	12 mm	00000000	00000


														M20 × 2.5 mm	25 mm	30 mm	00000000	00000

Precision Acme Lead Screws and Nuts

Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won’t unexpectedly move when the lead screw is at rest. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.

Lead Screws—Right-Hand and Left-Hand Thread


	Right-Hand-and-Left-Hand Threads

Right-hand-and-left-hand threaded lead screws have right-hand threads on one end and left-hand threads on the other. Use them where you want to drive nuts in opposite directions at the same time, such as for widening and narrowing chutes on packing and assembly lines. Note: A short length of threading at the center of the lead screw is not usable.

Black-Oxide 4140 Alloy Steel—Black-oxide alloy steel lead screws are hard and strong. They have mild corrosion resistance and a dark surface color.

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.

					Usable Thread Lg.
	Thread Size	Lg., ft.	Thread Type	Speed Ratio	Right-Hand	Left-Hand	No. of Thread Starts	Travel Distance per Turn	Accuracy for Travel Distance per Turn	Thread Fit	Hardness	Tensile Strength, psi		Each
Black-Oxide 4140 Alloy Steel



		3/8"-12	3	Acme	1:1	17"	17"	1	0.083"	±0.0003"/1"	Acme Class 2C	Brinell 200	95,000	000000000	0000000


		1/2"-10	3	Acme	1:1	17"	17"	1	0.1"	±0.0003"/1"	Acme Class 2C	Brinell 200	95,000	000000000	000000
		5/8"-8	3	Acme	1:1	16 1/2"	16 1/2"	1	0.125"	±0.0003"/1"	Acme Class 2C	Brinell 200	95,000	000000000	000000
		3/4"-6	3	Acme	1:1	16 1/2"	16 1/2"	1	0.167"	±0.0003"/1"	Acme Class 2C	Brinell 200	95,000	000000000	000000

Self-Reversing Lead Screws and Nuts

A crisscross thread pattern allows you to drive the nut back and forth without changing the lead screw's direction of rotation. When the nut reaches one end of the lead screw, it changes direction and travels back to the other end. Also known as diamond lead screws, they're sometimes used to guide cable and wire as it's spooled on a reel.

Right-Hand and Left-Hand Thread

Image of Attribute. Front orientation. Contains Annotated. Self-Reversing Lead Screws and Nuts.

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.

			Lead Screw			Square Nut
	Screw Dia.	Thread Type	Lg.	Travel Lg.	Hardness	Overall Ht.	Canter Ht.	Hardness	No. of Thread Starts	Travel Distance per Turn	Accuracy for Travel Distance per Turn	Tensile Strength, psi	Dynamic Thrust Load Cap., lb.	Temp., ° F		Each
1144 Carbon Steel Lead Screws with Aluminum Square Nuts



		0.75"	Diamond	16 7/8"	5 13/16"	Rockwell C27	1 7/8"	11/16"	Brinell 60	1	0.75"	±0.007"/1"	130,000	100	-50 to 350	000000000	000000000


		0.75"	Diamond	19 7/8"	8 13/16"	Rockwell C27	1 7/8"	11/16"	Brinell 60	1	0.75"	±0.007"/1"	130,000	100	-50 to 350	000000000	00000000
		1"	Diamond	23 1/2"	11 3/4"	Rockwell C27	2 3/8"	7/8"	Brinell 60	1	1"	±0.005"/1 ft.	130,000	150	-50 to 350	000000000	00000000
		1"	Diamond	29 1/2"	17 3/4"	Rockwell C27	2 3/8"	7/8"	Brinell 60	1	1"	±0.005"/1 ft.	130,000	150	-50 to 350	000000000	00000000