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5/64" (2.00 mm) KERK® LEAD SCREW ASSEMBLIES

   

Part Number Construction

Micro Series Lead Screw / Nut Assemblies

Lead screw rolling and nut molding is brought to a new level of precision in our micro-sized parts. Manufactured of premium grade 303 stainless steel, Kerk Micro Series Lead Screw Assemblies provide exceptional performance, long life, and require no maintenance. High accuracy threads with superior uniformity deliver precise motion and reduce noise and vibration. Nut configurations of self-lubricating acetal and kerkite High Performance Composite Polymers. This rembarkable product line is an enabling technology, opening up a whole new range of designs. The Micro Series allows the miniaturization of products, reduced power consumption, and weight reduction without sacrificing performance or reliability. Developed in response to growing demands in many markets. Haydon Kerk Motion Solutions has offered micro screws on a custom basis for more than 10 years. Now available as a standard product, customers can get quicker, cost effective deliveries. The Micro Series lead screws are available as stand-alone components or integrated into high performance Haydon linear actuators.

Haydon Kerk Micro Lead Screw

Lead Screw Size List

 

Nominal Lead Screw Diameter: 5/64" (2.00 mm)
 
 Micro Series Lead Screws
Diameter Diameter
Code
Lead Lead
Code
Left
Hand
Avail.
Outside Diameter
(For Reference)
Root Diameter
(For Reference)
Efficiency
%
Inches mm in mm In mm in mm
5/64 2 008 0.012 0.30 0012   0.079 2.01 0.068 1.73 24**
0.016 0.40 0016   0.075 1.91 0.058 1.47 30**
0.020 0.50 0020   0.077 1.96 0.057 1.45 36**
0.039 1.00 0039   0.079 2.01 0.059 1.50 52**
0.079 2.00 0079   0.077 1.96 0.057 1.45 66**

*Listed lead screw efficiencies are theoretical values based on Kerkote® TFE coated lead screws.

** Listed efficiencies for Micro screws are theoretical values based on non-coated lead screws.

Shaded areas have been translated from their designed inch or mm dimension to an equivalent mm or inch dimension.

 Micro Series Nut Styles 
 

 

BFW Nut Style 

Screw Ø

Nut Ø

Nut Length

Nut Flats

Dynamic Load

Drag Torque

   

A
in.
(mm)

B
in.
(mm)

C
in.
(mm)

D
in.
(mm)


lbs (Kg)

oz-in (NM))

BFWB Barrel Mount

5/64
(2)

0.22
(5.5)
0.32
(8)
0.20
(5.08)
10
(4.5)
Free Wheeling

 Barrel Nut StyleMicro Screw Barrel Style Nut

 


BFW Nut Style

Screw Ø

Nut Ø

Nut Length

Flange Height

Flange Width

Flange Thickness

Slot Width

Bolt Circle Ø

Dynamic Load

Drag Torque



A
in.
(mm)

B
in.
(mm)

C
in.
(mm)

D1
in.
(mm)

D
in.
(mm)

E
in.
(mm)

F
in.
(mm)

G
in.
(mm)


lbs
(Kg)

 oz-in
(NM)

BFWR

Rectangular Flange 5/64
(2)
0.22
(5.5)
0.32
(8)
0.22
(5.5)
0.47
(11.9)
0.08
(2.0)
0.07
(1.8)
0.35
(9.0)
10
(4.5)

Free Wheeling

ZBMR Rectangular Flange 5/64
(2)
0.22
(5.5) 
0.32
(8)
0.22
(5.5)
0.47
(11.9) 
0.08
(2.0) 
0.07
(1.8)
 
0.35
(9.0) 
1
(.45)
 0.5
(.0035)

 Rectangular Nut StyleMicro Screw Flange Nut