5/8"-10 Shafts | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Thread Size Thread Size	Show

5/8"-10

	Thread Size Thread Size	Hide

	Thread Type Thread Type

Acme

Rounded Acme

	Thread Direction Thread Direction


Right Hand	Left Hand

	Component Component

	Collar
	Lead Screw
	Nut

	Material Material

	Length Length

	Nut Type Nut Type


Flange	Round

Externally Threaded

	Number of Thread Starts Number of Thread Starts

	Travel Distance per Turn Travel Distance per Turn

0.1"

	Threading Threading

	Fully Threaded

	Hardness Hardness

	Tensile Strength Tensile Strength

	Speed Ratio Speed Ratio

1:1

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Thread Fit Thread Fit

Class 2C

	Diameter Diameter

	Width Width

7/16"

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Construction Construction


Two Piece	One Piece

	Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity

	OD OD

1 5/16"

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30 Products

Selecting Compatible Lead Screws and Nuts

Operating with less backlash (play) than 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. All components are corrosion resistant for use in harsh environments. To ensure compatibility, select components that have the same thread type and thread size.

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

303 Stainless Steel
Thread Size	Lg.	No. of Thread Starts	Thread Type	Speed Ratio	Travel Distance per Turn	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
5/8"-10	3 ft.	1	Rounded Acme	1:1	0.1"	±0.0006" per in.	Brinell 160	90,000	00000000	0000000
5/8"-10	6 ft.	1	Rounded Acme	1:1	0.1"	±0.0006" per in.	Brinell 160	90,000	00000000	000000

Flange Nuts—Right-Hand Threaded

Flange nuts with wear-compensating internal O-ring or wear-compensating spring maintain a tight fit even when their threads begin to wear.

				Flange
	Thread Size	Lg.	Dia.	Dia.	Thick.	No. of Thread Starts	Thread Type	Speed Ratio	Travel Distance per Turn	Bolt Circle Dia.	Tensile Strength, psi	Dynamic Thrust Load Cap., lbs.		Each
Acetal Plastic
B	5/8"-10	1 1/2"	0.875"	1 1/2"	3/16"	1	Rounded Acme	1:1	0.1"	1 3/16"	9,700	220	00000000	000000
Acetal Plastic with Wear-Compensating Spring
C	5/8"-10	2"	1.063"	1 51/64"	17/64"	1	Rounded Acme	1:1	0.1"	1 3/8"	9,700	35	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 and size.

Carbon steel lead screws and flanges have good machinability. Black-oxide alloy steel lead screws are hard and strong. They have mild corrosion resistance. 303 and 304 stainless steel lead screws and flanges have good corrosion resistance.

Cast iron nuts have good machinability and high strength. 932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance. PET plastic nuts are lightweight and corrosion resistant.

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

Right-Hand Threads

1018 Carbon Steel
Thread Size	Lg.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Accuracy for Travel Distance per Turn	Thread Fit	Hardness	Tensile Strength, psi		Each
5/8"-10	3 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 126	64,000	000000000	000000
5/8"-10	6 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 126	64,000	000000000	00000
Black-Oxide 4140 Alloy Steel
5/8"-10	3 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 271	125,000	000000000	00000
5/8"-10	6 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 271	125,000	000000000	000000
304 Stainless Steel
5/8"-10	3 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 150	72,000	000000000	00000
5/8"-10	6 ft.	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 150	72,000	000000000	000000

Lead Screws—Left-Hand Threaded

Left-Hand Threads

1018 Carbon Steel
Thread Size	Lg., ft.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Accuracy for Travel Distance per Turn	Thread Fit	Hardness	Tensile Strength, psi		Each
5/8"-10	3	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 126	64,000	000000000	000000
5/8"-10	6	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 126	64,000	000000000	00000
Black-Oxide 4140 Alloy Steel
5/8"-10	3	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 271	125,000	000000000	00000
5/8"-10	6	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 271	125,000	000000000	000000
304 Stainless Steel
5/8"-10	3	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 150	72,000	000000000	00000
5/8"-10	6	1	1:1	0.1"	±0.009" per ft.	Class 2C	Brinell 150	72,000	000000000	000000

Round Nuts—Right-Hand Threaded

Cast Iron
Thread Size	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Thread Fit	Hardness	Dynamic Thrust Load Cap., lbs.	Temperature Range, °F		Each
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Brinell 217	Not Rated	__	000000000	000000
932 Bearing Bronze
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Brinell 65	2,000	__	00000000	00000
PET Plastic
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Not Rated	1,000	15° to 175°	00000000	00000

Round Nuts—Left-Hand Threaded

Cast Iron
Thread Size	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Thread Fit	Hardness	Dynamic Thrust Load Cap., lbs.	Temperature Range, °F		Each
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Brinell 217	Not Rated	__	000000000	000000
932 Bearing Bronze
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Brinell 65	2,000	__	00000000	00000
PET Plastic
5/8"-10	1 1/4"	1.859"	1	1:1	0.1"	Class 2C	Not Rated	1,000	15° to 175°	00000000	00000

Externally Threaded Nuts—Right-Hand Threaded

Combine externally threaded nuts with a flange to create a custom flange nut.

						External Thread
Thread Size	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Size	Lg.	Thread Fit	Hardness	Dynamic Thrust Load Cap., lbs.	Temperature Range, °F		Each
673 Bronze
5/8"-10	1"	1.125"	1	1:1	0.1"	15/16"-16	1/2"	Class 2C	Brinell 70	Not Rated	__	000000000	000000
PET Plastic
5/8"-10	1"	1.125"	1	1:1	0.1"	15/16"-16	1/2"	Class 2C	Not Rated	1,000	15° to 175°	000000000	00000

Externally Threaded Nuts—Left-Hand Threaded

Combine externally threaded nuts with a flange to create a custom flange nut.

						External Thread
Thread Size	Lg.	Dia.	No. of Thread Starts	Speed Ratio	Travel Distance per Turn	Size	Lg.	Thread Fit	Hardness	Dynamic Thrust Load Cap., lbs.		Each
673 Bronze
5/8"-10	1"	1.125"	1	1:1	0.1"	15/16"-16	1/2"	Class 2C	Brinell 70	Not Rated	000000000	000000

Flanges

Thread onto an externally threaded acme nut to create a custom flange nut.

1215 Carbon Steel
Flange Thread Size	Flange Dia.	Flange Thick.	Bolt Circle Dia.	Flange Hardness		Each
15/16"-16	2 5/8"	17/32"	2 3/32"	Not Rated	000000000	000000
303 Stainless Steel
15/16"-16	2 5/8"	17/32"	2 3/32"	Brinell 140	0000000	00000

Clamping Acme Lead Screw Collars

Thread these one-piece collars onto an Acme lead screw to separate and position components, or use them as an end stop to limit travel. Tighten the clamping screw to secure.

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

Black-oxide carbon steel collars have mild corrosion resistance. 303 stainless steel collars have good corrosion resistance.

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

Right-Hand Threaded
Thread Size	OD	Wd.	No. of Thread Starts	Hardness		Each
Black-Oxide 1215 Carbon Steel
5/8"-10	1 5/16"	7/16"	1	Brinell 167	0000000	000000
303 Stainless Steel
5/8"-10	1 5/16"	7/16"	1	Brinell 228	0000000	00000

Two-Piece Clamping Acme Lead Screw Collars

Mount these two-piece collars anywhere on an Acme lead screw without removing components. Use them to separate and position components or as an end stop to limit travel. Made of black-oxide steel, they have mild corrosion resistance. Tighten the clamping screw to secure.

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

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

Right-Hand Threaded
Thread Size	OD	Wd.	No. of Thread Starts	Material	Hardness		Each
5/8"-10	1 5/16"	7/16"	1	Black-Oxide 1215 Carbon Steel	Brinell 167	0000000	000000

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Selecting Compatible Lead Screws and Nuts

Ultra-Precision Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

Clamping Acme Lead Screw Collars

Two-Piece Clamping Acme Lead Screw Collars