Collection: Leadscrew - Nuts

7 Products in this selection
This category includes various types of nuts leadscrew.
  • An expanded range may be available on special order. Please enquire.
Leadscrew - Nuts
Small Parts & Bearings

Additional resources:

A more comprehensive listing may be found on the MBA Minibearings main store at Leadscrew - Nuts.
Screw Outside Diameter Number of Threads Per Inch Number of Starts Lead External Nut Mounting Thread Direction Indicative
Image
Screw Outside Diameter
6.350
mm
Number of Threads Per Inch
16
Number of Starts
1
Lead
1.5875
mm
External Nut Mounting Thread
9/16-18
Direction
Right Hand
Nuts Leadscrew - 6.35 mm - 16 - 1  - Bronze
Material: Bronze   
Category: Leadscrew - Nuts - Imperial
Part Number: AR201RS (Each) Nuts Leadscrew - 6.35 mm - 16 - 1 Imperial - Bronze
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $54.56 AUD
Regular price $136.54 AUD Sale price $54.56 AUD
Each
Screw Outside Diameter Number of Threads Per Inch Number of Starts Lead Indicative
Image
Screw Outside Diameter
6.350
mm
Number of Threads Per Inch
16
Number of Starts
1
Lead
1.5875
mm
Nuts Leadscrew - 6.35 mm - 16 - 1  - Bronze
Material: Bronze    External Nut Mounting Thread: 9/16-18    Direction: Right Hand   
Category: Leadscrew - Nuts - Imperial
Part Number: AR201RS (Each) Nuts Leadscrew - 6.35 mm - 16 - 1 Imperial - Bronze
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $54.56 AUD
Regular price $136.54 AUD Sale price $54.56 AUD
Each
Screw Outside Diameter
6.350
mm
Number of Threads Per Inch
16
Number of Starts
1
Lead
1.600
mm
External Nut Mounting Thread
48
Direction
15.875 / 12.700
Nuts Leadscrew - 6.35 mm - 16 - 1
Overall Length: 20 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: HB21SN-25161 (Each) Nuts Leadscrew - 6.35 mm - 16 - 1 Imperial
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $26.00 AUD
Regular price $49.40 AUD Sale price $26.00 AUD
Each
Screw Outside Diameter
6.350
mm
Number of Threads Per Inch
16
Number of Starts
1
Lead
1.600
mm
Nuts Leadscrew - 6.35 mm - 16 - 1
External Nut Mounting Thread: 48    Direction: 15.875 / 12.700    Overall Length: 20 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: HB21SN-25161 (Each) Nuts Leadscrew - 6.35 mm - 16 - 1 Imperial
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $26.00 AUD
Regular price $49.40 AUD Sale price $26.00 AUD
Each
Screw Outside Diameter
9.525
mm
Number of Threads Per Inch
12
Number of Starts
1
Lead
2.1167
mm
External Nut Mounting Thread
9/16-18
Direction
Right Hand
Nuts Leadscrew - 9.525 mm - 12 - 1  - Plastic
Material: Plastic    Overall Length: 15.75 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: AR222RS (PK-4) Nuts Leadscrew - 9.525 mm - 12 - 1 Imperial - Plastic
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
Regular price $927.23 AUD
Regular price Sale price $927.23 AUD
Per 4
Screw Outside Diameter
9.525
mm
Number of Threads Per Inch
12
Number of Starts
1
Lead
2.1167
mm
Nuts Leadscrew - 9.525 mm - 12 - 1  - Plastic
Material: Plastic    External Nut Mounting Thread: 9/16-18    Direction: Right Hand    Overall Length: 15.75 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: AR222RS (PK-4) Nuts Leadscrew - 9.525 mm - 12 - 1 Imperial - Plastic
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
Regular price $927.23 AUD
Regular price Sale price $927.23 AUD
Per 4
View the product page first if you are unsure.
Screw Outside Diameter
15.875
mm
Number of Threads Per Inch
8
Number of Starts
1
Lead
3.175
mm
External Nut Mounting Thread
15/16-16
Direction
Right Hand
Nuts Leadscrew - 15.875 mm - 8 - 1  - Bronze
Material: Bronze    Overall Length: 25.40 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: AR204RS (Each) Nuts Leadscrew - 15.875 mm - 8 - 1 Imperial - Bronze
1 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $140.41 AUD
Regular price $168.49 AUD Sale price $140.41 AUD
Each
Screw Outside Diameter
15.875
mm
Number of Threads Per Inch
8
Number of Starts
1
Lead
3.175
mm
Nuts Leadscrew - 15.875 mm - 8 - 1  - Bronze
Material: Bronze    External Nut Mounting Thread: 15/16-16    Direction: Right Hand    Overall Length: 25.40 mm   
Category: Leadscrew - Nuts - Imperial
Part Number: AR204RS (Each) Nuts Leadscrew - 15.875 mm - 8 - 1 Imperial - Bronze
1 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $140.41 AUD
Regular price $168.49 AUD Sale price $140.41 AUD
Each
View the product page first if you are unsure.
Screw Outside Diameter
18.000
mm
Number of Threads Per Inch
4
Number of Starts
Right Hand
Lead
40.00
mm
External Nut Mounting Thread
27 +/-0.15
Direction
Right Hand
Nuts Leadscrew - 18x4 - Right Hand - Carbon Manganese Steel S300 Pb
Material: Carbon Manganese Steel S300 Pb   
Category: Leadscrew - Nuts - Metric
Part Number: KSM184-OUK (Each) Nuts Leadscrew - 18x4 mm - Right Hand Metric - Carbon Manganese Steel S300 Pb
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each
Screw Outside Diameter
18.000
mm
Number of Threads Per Inch
4
Number of Starts
Right Hand
Lead
40.00
mm
Nuts Leadscrew - 18x4 - Right Hand - Carbon Manganese Steel S300 Pb
Material: Carbon Manganese Steel S300 Pb    External Nut Mounting Thread: 27 +/-0.15    Direction: Right Hand   
Category: Leadscrew - Nuts - Metric
Part Number: KSM184-OUK (Each) Nuts Leadscrew - 18x4 mm - Right Hand Metric - Carbon Manganese Steel S300 Pb
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each
Screw Outside Diameter
20.000
mm
Number of Threads Per Inch
4
Number of Starts
Left Hand
Lead
35
mm
External Nut Mounting Thread
30

+/- 0.15
Direction
590
Nuts Leadscrew - 20x4 mm - Left Hand

Category: Leadscrew - Nuts - Metric
Part Number: VKM204LH (Each) Nuts Leadscrew - 20x4 mm - Left Hand Metric
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Each
Screw Outside Diameter
20.000
mm
Number of Threads Per Inch
4
Number of Starts
Left Hand
Lead
35
mm
Nuts Leadscrew - 20x4 mm - Left Hand
External Nut Mounting Thread: 30 +/- 0.15    Direction: 590   
Category: Leadscrew - Nuts - Metric
Part Number: VKM204LH (Each) Nuts Leadscrew - 20x4 mm - Left Hand Metric
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Each
Screw Outside Diameter
20.000
mm
Number of Threads Per Inch
4
Number of Starts
Right Hand
Lead
45.00
mm
External Nut Mounting Thread
30 +/-0.15
Direction
Right Hand
Nuts Leadscrew - 20x4 - Right Hand - Carbon Manganese Steel S300 Pb
Material: Carbon Manganese Steel S300 Pb   
Category: Leadscrew - Nuts - Metric
Part Number: KSM204-OUK (Each) Nuts Leadscrew - 20x4 mm - Right Hand Metric - Carbon Manganese Steel S300 Pb
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each
Screw Outside Diameter
20.000
mm
Number of Threads Per Inch
4
Number of Starts
Right Hand
Lead
45.00
mm
Nuts Leadscrew - 20x4 - Right Hand - Carbon Manganese Steel S300 Pb
Material: Carbon Manganese Steel S300 Pb    External Nut Mounting Thread: 30 +/-0.15    Direction: Right Hand   
Category: Leadscrew - Nuts - Metric
Part Number: KSM204-OUK (Each) Nuts Leadscrew - 20x4 mm - Right Hand Metric - Carbon Manganese Steel S300 Pb
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each