150mm Long Lead Screws | McMaster-Carr

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29 Products

Metric Fast-Travel Ultra-Precision Lead Screws and Nuts

Image of ProductInUse. Front orientation. Contains Inset. Precision Lead Screws and Nuts. Metric Fast-Travel Ultra-Precision Lead Screws and Nuts.

Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start. Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these lead screws and nuts provide increased nut life and more reliable movement in automated systems. To ensure compatibility, select components that have the same thread size and number of thread starts.

Lead Screw—Right-Hand Thread

303 Stainless Steel—303 stainless steel lead screws have good corrosion resistance.

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.

	Lg., mm	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
303 Stainless Steel



	M4 × 1.25 mm	150	Metric Rounded Trapezoidal	8:1	8	10	±0.089 mm/300 mm	Brinell 160	90,000	97783A140	000000

Lead Screw with One Machinable End—Right-Hand Thread

Image of Product. Front orientation. Precision Lead Screws and Nuts. Metric Fast-Travel Ultra-Precision Lead Screws and Nuts, Lead Screw with One Machinable End—Right-Hand Thread.

Lead screws with one machinable end let you create your own custom connection to suit your application.

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.

				End, mm
	Thread Size	Lg., mm	Thread Type	Dia.	Lg.	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
17-4 PH Stainless Steel



		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	7	25	2:1	2	0.75	±0.15 mm/300 mm	Rockwell C35	145,000	4537N121	0000000


		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	7	25	4:1	4	1.5	±0.15 mm/300 mm	Rockwell C35	145,000	4537N122	000000
		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	7	25	8:1	8	3	±0.15 mm/300 mm	Rockwell C35	145,000	4537N123	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7	25	2:1	2	1	±0.15 mm/300 mm	Rockwell C35	145,000	4537N124	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7	25	6:1	6	3	±0.15 mm/300 mm	Rockwell C35	145,000	4537N125	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7	25	12:1	12	6	±0.15 mm/300 mm	Rockwell C35	145,000	4537N126	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	7	25	4:1	4	4	±0.15 mm/300 mm	Rockwell C35	145,000	4537N127	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	7	25	8:1	8	8	±0.15 mm/300 mm	Rockwell C35	145,000	4537N128	000000

Lead Screw with One Coupling End—Right-Hand Thread

Lead screws with one coupling end connect directly with your shaft without extra machining. Torque down the locknut once inserted.

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.

				End, mm
	Thread Size	Lg., mm	Thread Type	Dia.	Lg.	For Shaft Dia.	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
17-4 PH Stainless Steel



		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	6.5	15	2	2:1	2	0.75	±0.15 mm/300 mm	Rockwell C35	145,000	4537N141	0000000


		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	6.5	15	2	4:1	4	1.5	±0.15 mm/300 mm	Rockwell C35	145,000	4537N142	000000
		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	6.5	15	2	8:1	8	3	±0.15 mm/300 mm	Rockwell C35	145,000	4537N143	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7.5	15.5	3	2:1	2	1	±0.15 mm/300 mm	Rockwell C35	145,000	4537N144	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7.5	15.5	3	6:1	6	3	±0.15 mm/300 mm	Rockwell C35	145,000	4537N145	000000
		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7.5	15.5	3	12:1	12	6	±0.15 mm/300 mm	Rockwell C35	145,000	4537N146	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	8.5	15.5	4	4:1	4	4	±0.15 mm/300 mm	Rockwell C35	145,000	4537N147	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	8.5	15.5	4	8:1	8	8	±0.15 mm/300 mm	Rockwell C35	145,000	4537N148	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	9.5	15.5	5	4:1	4	4	±0.15 mm/300 mm	Rockwell C35	145,000	4537N149	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	9.5	15.5	5	8:1	8	8	±0.15 mm/300 mm	Rockwell C35	145,000	4537N151	000000

Ball Screws and Nuts

Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread direction and size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.

Ball Screws with Flange Ball Nut—Right-Hand Threaded

Root diameter indicates the diameter the ball screw will be after machining away the threads.

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

		Ball Screw			Flange Ball Nut, mm
	Thread Size	Lg., mm	Root Dia., mm	Tensile Strength, psi	Lg.	Dia.	Lg. Tolerance Type	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Dynamic Thrust Load Cap., lb.	Max. Backlash, mm	Temp. Range, ° F		Each
Carbon Steel Ball Screw with Alloy Steel Flange Ball Nut



		M6	150	5.3	21,000	21	13	Plus	1	1	±0.210 mm/300 mm	Rockwell C58	150	0.05	5 to 175	6624K66	0000000


		M8	150	6.6	21,000	28	20	Plus	1	2	±0.210 mm/300 mm	Rockwell C58	470	0.05	5 to 175	6624K67	000000

Metric Ultra-Precision Lead Screws and Nuts

Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these provide increased nut life and more reliable movement in automated systems. 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, select components that have the same thread size, thread type, thread size, thread pitch, and number of thread starts.

Lead Screw—Right-Hand Thread

303 Stainless Steel—303 stainless steel lead screws have good corrosion resistance.

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.

	Lg., mm	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
303 Stainless Steel



	M4 × 0.3 mm	150	Metric Rounded Trapezoidal	1:1	1	0.3	±0.089 mm/300 mm	Brinell 160	90,000	7549K54	000000

Lead Screw with One Machinable End—Right-Hand Thread

Image of Product. Front orientation. Precision Lead Screws and Nuts. Metric Ultra-Precision Lead Screws and Nuts, Lead Screw with One Machinable End—Right-Hand Thread.

Lead screws with one machinable end let you create your own custom connection to suit your application.

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.

				End, mm
	Thread Size	Lg., mm	Thread Type	Dia.	Lg.	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
17-4 PH Stainless Steel



		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	7	25	1:1	1	0.375	±0.15 mm/300 mm	Rockwell C35	145,000	90500A140	0000000


		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7	25	1:1	1	0.5	±0.15 mm/300 mm	Rockwell C35	145,000	90500A150	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	7	25	1:1	1	1	±0.15 mm/300 mm	Rockwell C35	145,000	90500A160	000000

Lead Screw with One Coupling End—Right-Hand Thread

Image of Product. Front orientation. Precision Lead Screws and Nuts. Metric Ultra-Precision Lead Screws and Nuts, Lead Screw with One Coupling End—Right-Hand Thread.

Lead screws with one coupling end connect directly with your shaft without extra machining. Torque down the locknut once inserted.

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.

				End, mm
	Thread Size	Lg., mm	Thread Type	Dia.	Lg.	For Shaft Dia.	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
17-4 PH Stainless Steel



		M2 × 0.4 mm	150	Metric Rounded Trapezoidal	6.5	15	2	1:1	1	0.375	±0.15 mm/300 mm	Rockwell C35	145,000	90500A170	0000000


		M3 × 0.5 mm	150	Metric Rounded Trapezoidal	7.5	15.5	3	1:1	1	0.5	±0.15 mm/300 mm	Rockwell C35	145,000	90500A180	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	8.5	15.5	4	1:1	1	1	±0.15 mm/300 mm	Rockwell C35	145,000	90500A190	000000
		M4 × 1 mm	150	Metric Rounded Trapezoidal	9.5	15.5	5	1:1	1	1	±0.15 mm/300 mm	Rockwell C35	145,000	90500A210	000000