M10 Lead Screws | McMaster-Carr

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12 mm

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932 Bearing Bronze

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20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

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18 Products

Selecting Compatible 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, select components that have the same thread direction, size, pitch, and number of thread starts.

Lead screws are 1018 carbon steel for good machinability.

932 bearing bronze nuts have good machinability and wear resistance. Manganese bronze nuts have good strength and wear resistance.

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

For technical drawings and 3-D models, click on a part number.

Lead Screws—Right-Hand Threaded

1018 Carbon Steel
Thread Size	Thread Pitch, mm	Lg., mm	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Thread Fit	Hardness	Tensile Strength, psi	Specifications Met		Each
M10	2	250	1	1:1	2	±0.15 mm per 300 mm	8e	Brinell 150	85,000	DIN 103	0000000	000000
M10	2	500	1	1:1	2	±0.15 mm per 300 mm	8e	Brinell 150	85,000	DIN 103	0000000	00000
M10	2	750	1	1:1	2	±0.15 mm per 300 mm	8e	Brinell 150	85,000	DIN 103	0000000	00000
M10	2	1,750	1	1:1	2	±0.15 mm per 300 mm	8e	Brinell 150	70,000	DIN 103	000000	00000

Round Nuts—Right-Hand Threaded

932 Bearing Bronze
Thread Size	Thread Pitch, mm	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Thread Fit	Hardness	Tensile Strength, psi	Dynamic Thrust Load Cap., lbs.	Specifications Met		Each
M10	2	3/4"	0.75"	1	1:1	2	7H	Brinell 70	Not Rated	670	DIN 103	0000000	000000

Externally Threaded Nuts—Right-Hand Threaded

							External Thread
Thread Size	Thread Pitch, mm	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Size	Lg.	Thread Fit	Hardness	Tensile Strength, psi	Dynamic Thrust Load Cap., lbs.	Specifications Met		Each
Manganese Bronze
M10	2	5/8"	0.68"	1	1:1	2	9/16"-18	3/8"	7H	Brinell 126	75,000	670	DIN 103	0000000	000000

Flange Nuts—Right-Hand Threaded

				Flange
Thread Size	Thread Pitch, mm	Lg.	Dia.	Dia.	Thick.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Bolt Circle Dia.	Thread Fit	Hardness	Tensile Strength, psi	Dynamic Thrust Load Cap., lbs.	Specifications Met		Each
Manganese Bronze
M10	2	5/8"	0.688"	1 39/64"	13/32"	1	1:1	2	1 1/8"	7H	Brinell 126	Not Rated	670	DIN 103	0000000	000000

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, thread pitch, and number of thread starts. 303 and 304 stainless steel lead screws have good corrosion resistance.

Acetal nuts have good wear and corrosion resistance.

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

For technical drawings and 3-D models, click on a part number.

Lead Screws—Right-Hand Threaded

304 Stainless Steel
Thread Size	Thread Pitch, mm	Lg., mm	No. of Thread Starts	Thread Type	Speed Ratio	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
M10	3	250	4	Metric Rounded Trapezoidal	4:1	12	±0.1 mm per 300 mm	Brinell 160	72,000	0000000	000000
M10	3	500	4	Metric Rounded Trapezoidal	4:1	12	±0.1 mm per 300 mm	Brinell 160	72,000	0000000	00000

Round Nuts—Right-Hand Threaded

Acetal Plastic
	Thread Size	Thread Pitch, mm	Lg.	Dia.	No. of Thread Starts	Thread Type	Speed Ratio	Travel Distance per Turn, mm	Hardness	Tensile Strength, psi	Dynamic Thrust Load Cap.		Each
A	M10	3	25/32"	0.866"	4	Metric Rounded Trapezoidal	4:1	12	Durometer 74D	10,000	Not Rated	0000000	000000

Flange Nuts—Right-Hand Threaded

					Flange
	Thread Size	Thread Pitch, mm	Lg.	Dia.	Dia.	Thick.	No. of Thread Starts	Thread Type	Speed Ratio	Travel Distance per Turn, mm	Bolt Circle Dia.	Dynamic Thrust Load Cap., lbs.		Each
Acetal Plastic
F	M10	3	63/64"	0.984"	1 21/32"	25/64"	4	Metric Rounded Trapezoidal	4:1	12	1 11/32"	Not Rated	0000000	000000

Metric Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, size, pitch, and number of thread starts. Class 7e and 7H components are compatible.

Black-oxide carbon steel components have mild corrosion resistance. 932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance. 360 brass components have excellent machinability and good corrosion resistance.

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

For technical drawings and 3-D models, click on a part number.

Lead Screws—Right-Hand Threaded

Black-Oxide Carbon Steel
Thread Size	Thread Pitch, mm	Lg., mm	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Thread Fit	Fastener Strength Grade/Class	Hardness	Specifications Met		Each
M10	2	500	1	1:1	2	7e	Grade 2	Not Rated	ASTM A108, ASTM A193, DIN 103	000000000	000000
M10	2	1,000	1	1:1	2	7e	Grade 2	Not Rated	ASTM A108, ASTM A193, DIN 103	000000000	00000

Flange Nuts—Right-Hand Threaded

Flange nuts move objects along the length of a lead screw. They have a wide machinable flange for custom mounting.

				Flange
Thread Size	Thread Pitch, mm	Ht., mm	Dia., mm	Dia., mm	Thick., mm	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Thread Fit	Hardness		Each
932 Bearing Bronze
M10	2	35	28	48	12	1	1:1	2	7H	Not Rated	000000000	0000000

Square Nuts—Right-Hand Threaded

Square nuts fasten and position lead screw components. Square nuts have large sides, which make them easier to grip with a wrench than hex nuts and keep them from rotating in channels and square holes.

360 Brass
Thread Size	Thread Pitch, mm	Ht., mm	Wd., mm	No. of Thread Starts	Speed Ratio	Travel Distance per Turn, mm	Thread Fit	Hardness		Each
M10	2	20	19	1	1:1	2	7H	Not Rated	000000000	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.

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

For technical drawings and 3-D models, click on a part number.

Ball Screws with Flange Ball Nut—Right-Hand Threaded

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

	Ball Screw			Flange Ball Nut
Thread Size	Lg., mm	Root Dia., mm	Tensile Strength, psi	Lg., mm	Dia., mm	Length Tolerance	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Dynamic Thrust Load Capacity, lbs.	Max. Backlash, mm	Temp. Range, °F		Each
Carbon Steel Ball Screw with Alloy Steel Flange Ball Nut
M10	200	8.6	21,000	28	23	Plus	1	2	±0.210 mm per 300 mm	Rockwell C58	510	0.05	5° to 175°	0000000	0000000
M10	300	8.6	21,000	28	23	Plus	1	2	±0.210 mm per 300 mm	Rockwell C58	510	0.05	5° to 175°	000000	000000

Metric Clamping Lead Screw Collars

Thread these one-piece collars onto a metric lead screw to separate and position components, or use them as an end stop to limit travel. Made of black-oxide steel, they have mild corrosion resistance. Tighten the clamping screws to secure.

To ensure compatibility, please select a collar that has the same thread type, direction, size, pitch, and number of thread starts as your lead screw.

For technical drawings and 3-D models, click on a part number.

Right-Hand Threaded
Thread Size	Thread Pitch, mm	OD, mm	Wd., mm	No. of Thread Starts	Material	Hardness		Each
M10	2	24	9	1	Black-Oxide 1215 Carbon Steel	Brinell 167	0000000	000000

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Selecting Compatible Lead Screws and Nuts

Metric Precision Lead Screws and Nuts

Metric Fast-Travel Ultra-Precision Lead Screws and Nuts

Metric Lead Screws and Nuts

Ball Screws and Nuts

Metric Clamping Lead Screw Collars