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Lead Screws, Nuts

Lead screws and nuts are mechanical components used to convert rotational motion into linear motion. A lead screw resembles a threaded rod with a helical groove, while the nut is a component that engages with the threads of the lead screw. As the lead screw rotates, the nut moves along its length, translating the rotational motion into linear movement. These components find widespread use in various applications such as CNC machines, 3D printers, robotics, and positioning systems. They are available in different materials, thread profiles, and sizes to accommodate specific requirements for load capacity, speed, precision, and environmental conditions. Overall, lead screws and nuts are essential for facilitating precise and controlled linear motion in mechanical systems. To select lead screws and nuts from MISUMI, navigate our website, browse the relevant section, use filters to narrow options by size and material, compare products based on specifications, availability, and place your order.

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Brand	(1) (0) THK (0)
CAD	2D 3D
Days to Ship	All 5 Day(s) or Less 8 Day(s) or Less 10 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less Others

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[Clean & Pack]Lead Screws - Both Ends Stepped

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□
·Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post-assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

Shaft Shape	Nominal of Thread D(Ø)	Thread Position	Thread Pitch(mm)	Shaft Material	Shaft Surface Treatment	Type	Tolerance of Central Part (Incomplete Threaded Portion)	Screw Nut Shape	Screw Nut Material	Screw Nut Outer Dia. D(Ø)	Screw Nut Length L(mm)
Both Ends Stepped	16	Right-Hand Thread / Left-Hand Thread	(3)	-	-	Lead Screw	-	-	-	-	-

Days to Ship: 12 Day(s) or more

12 Day(s) or more


Brand
Product Series
From
Days to Ship
Shaft Shape
Nominal of Thread D(Ø)
Thread Position
Thread Pitch(mm)
Shaft Material
Shaft Surface Treatment
Type
Tolerance of Central Part (Incomplete Threaded Portion)
Screw Nut Shape
Screw Nut Material
Screw Nut Outer Dia. D(Ø)
Screw Nut Length L(mm)

	You can add up to 6 items per a category to the compare list.Compare
Brand	MISUMI
Product Series	[Clean & Pack]Lead Screws - Both Ends Stepped
From
Days to Ship	12 Day(s) or more
Shaft Shape	Both Ends Stepped
Nominal of Thread D(Ø)	16
Thread Position	Right-Hand Thread / Left-Hand Thread
Thread Pitch(mm)	(3)
Shaft Material	-
Shaft Surface Treatment	-
Type	Lead Screw
Tolerance of Central Part (Incomplete Threaded Portion)	-
Screw Nut Shape	-
Screw Nut Material	-
Screw Nut Outer Dia. D(Ø)	-
Screw Nut Length L(mm)	-

Configure

Specification/Dimensions

Shaft Shape
- Straight
- One End Stepped
- One End Double Stepped
- Both Ends Stepped
- One End Stepped, One End Double Stepped
- Both Ends Double Stepped
Larger Image

Clear

Nominal of Thread D(Ø)
8

10

12

14

16

18

20

22

25

28

32

36

40

45

50
Drawing

Clear

Thread Position
- Right-Hand Thread
- Left-Hand Thread
- Right and Left-Hand Thread
- Precision Right and Left-Hand Thread
Clear

Thread Pitch(mm)
1.5

2

3

(3)

4

5

(5)

6

8
Clear

Shaft Material
- Steel
- Stainless Steel
Clear

Shaft Surface Treatment
- Not Provided
- Low Temperature Black Chrome Plating
- Black Oxide
Clear

Type
- Lead Screw
- Screw Nuts
Clear

Tolerance of Central Part (Incomplete Threaded Portion)
- Not Provided
- Provided (h7)
Clear

Screw Nut Shape
- Straight
- Round Flanged
Larger Image

Clear

Screw Nut Material
- Zinc Alloy
Clear

Screw Nut Outer Dia. D(Ø)
22

28

32

36

44

52

58

68
Drawing

Clear

Screw Nut Length L(mm)
22

26

30

31

35

40

45

49

50

56

60

70

80
Drawing

Clear

Related Categories to Lead Screws, Nuts

FAQ Lead Screws, Nuts

Question: How do lead screws and ball screws differ in their applications and efficiency?: Answer: Lead screws and ball screws differ in their applications and efficiency due to design variations. Lead screws, using a threaded shaft and nut, suit low-speed, low-precision tasks like manual adjustments. They typically exhibit lower efficiency due to higher friction. In contrast, ball screws integrate ball bearings between the screw and nut, enhancing efficiency, precision, and speed. Consequently, ball screws find favor in high-precision, high-speed applications such as CNC machining, robotics, and aerospace systems where smooth, precise motion is critical, offering superior performance compared to lead screws.
Question: What should be considered when choosing the size of a lead screw for a specific application?: Answer: When choosing a lead screw size for an application, consider factors like load capacity, speed, and precision requirements. Determine the necessary length, pitch, and lead based on travel distance and desired linear speed. Ensure proper end support and mounting arrangements to prevent instability. Also, consider environmental conditions, material choice, coating, and acceptable backlash levels. By carefully weighing these aspects, you can select the appropriate lead screw size to ensure optimal performance and reliability for your specific application.
Question: What are the advantages of using a 30-degree trapezoidal lead screw with a double-end step?: Answer: Using a 30-degree trapezoidal lead screw with a double-end step offers numerous benefits. These include enhanced load capacity, improved stability, reduced backlash for precise positioning, increased efficiency due to smoother operation, and versatility allowing for flexible design options utilizing both ends. Overall, this configuration provides strength, stability, precision, and adaptability, making it ideal for a wide range of industrial and mechanical applications requiring reliable and precise linear motion.
Question: What are the different types of lead screws?: Answer: Lead screws come in various configurations based on thread design, number of starts, and material:
Thread design: Acme threads are the most common, offering a good balance of strength and efficiency. Other options include buttress threads for high axial loads and metric threads for international standards.
Number of starts: A single-start lead screw translates one rotation into the distance of one thread (pitch). Multi-start screws (double, triple, etc.) have multiple threads that move simultaneously, resulting in faster linear travel per rotation.
Material: Lead screws are typically made from steel or stainless steel for strength and durability. Polymer options can be used for lighter weight and corrosion resistance in some applications.
Question: What factors should be considered when selecting a lead screw for high-load applications?: Answer: When selecting a lead screw for high-load applications, factors such as load capacity, material strength, diameter, pitch, nut design, and lubrication must be considered. The lead screw should withstand the anticipated load without deformation, requiring a material with high tensile strength and a robust nut design. A larger diameter and coarser pitch help distribute the load effectively, minimizing deflection. Proper lubrication reduces friction and wear, prolonging the lead screw's lifespan under high-load conditions, ensuring reliable performance in demanding applications.

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Lead Screws, Nuts

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Specification/Dimensions

Shaft Shape

Nominal of Thread D(Ø)

Thread Position

Thread Pitch(mm)

Shaft Material

Shaft Surface Treatment

Type

Tolerance of Central Part (Incomplete Threaded Portion)

Screw Nut Shape

Screw Nut Material

Screw Nut Outer Dia. D(Ø)

Screw Nut Length L(mm)

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FAQ Lead Screws, Nuts

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