.

NORTH AMERICA

EUROPE

ASIA

CENTRAL & SOUTH AMERICA

AFRICA & MIDDLE EAST

Pacific Rim

 
0 Items Total: $0.00
×
 
Main View
side view
top view
3D
2D
Quantity
 

Add

Enter your details and we'll get started right away.

Most quotes are generated and emailed instantly. Large-volume requests are reviewed by our team and typically follow up within 1 business day.

 

Specifications

 

Download Spec Sheet

Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LTBL0040D 20 S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Left Hand
Finish
PASSIVATE PER ASTM A967
Material
Stainless Steel
Total Coils
6.920
Product Series
Published Stock Code
LTBL0040D20S
Product Type
Torsion Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.00
Rate (kg/cm)
0.00
Rate (lb/in)
0.00
Rate (gm/mm)
0.07
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Inside Diameter (cm)
0.10
Inside Diameter (in)
0.04
Inside Diameter (mm)
0.98
Outside Diameter (cm)
0.118
Outside Diameter (in)
0.05
Outside Diameter (mm)
1.18
Outside Diameter - Build Spec (in)
0.05
Outside Diameter Tolerance (cm)
0.01
Outside Diameter Tolerance (in)
0.00
Outside Diameter Tolerance (mm)
0.05
Outside Diameter Tolerance - Build Spec (in)
0.00
Rate (gm/cm)
0.01
Rate (kg/mm)
0.00
Rate (N/cm)
0.00
Rate - Build Spec (lb/in)
0.00
Rate Tolerance (gm/cm)
0.00
Rate Tolerance (gm/mm)
0.00
Rate Tolerance (kg/cm)
0.00
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.00
Rate Tolerance (N/cm)
0.00
Rate Tolerance (N/mm)
0.00
Rate Tolerance - Build Spec (lb/in)
0.00
Total Coils - Build Spec
6.92
Wire Diameter (cm)
0.01
Wire Diameter (inch)
0.00
Wire Diameter (mm)
0.10
Wire Diameter - Build Spec (in)
0.00
Material Short Description
SS
Product Series
Micro Torsion Spring
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Inside Diameter Tolerance - Build Spec (in)
Reference
Body Length - Build Spec. (in)
0.03
Body Length (in)
0.03
Body Length (mm)
0.80
Body Length (cm)
0.08
Length of Leg (in)
0.20
Length of Leg - Build Spec. (in)
0.20
Length of Leg (mm)
5.08
Length of Leg (cm)
0.51
Length of Leg Tolerance - Build Spec. (in)
0.010
Length of Leg Tolerance (in)
0.010
Length of Leg Tolerance (mm)
0.25
Length of Leg Tolerance (cm)
0.0254
Body Length Tolerance - Build Spec. (in)
Reference
Body Length Tolerance (in)
Reference
Body Length Tolerance (mm)
Reference
Body Length Tolerance (cm)
Reference
To Work Over Rod/Mandrel - Build Spec. (in)
0.03
To Work Over Rod/Mandrel (in)
0.03
To Work Over Rod/Mandrel (mm)
0.85
To Work Over Rod/Mandrel (cm)
0.09
To Work Over Rod/Mandrel Toler. - Build Spec. (in)
Reference
To Work Over Rod/Mandrel Tolerance (in)
Reference
To Work Over Rod/Mandrel Tolerance (mm)
Reference
To Work Over Rod/Mandrel Tolerance (cm)
Reference
Max Torque - Build Spec. (lb/in)
0.00
Max Torque (lb/in)
0.00
Max Torque (N/mm)
0.15
Max Torque (N/cm)
0.01
Max Torque (kg/mm)
0.02
Max Torque (kg/cm)
0.00
Max Torque (gm/mm)
15.18
Max Torque (gm/cm)
1.52
Max Torque Tolerance - Build Spec. (lb/in)
0.00
Max Torque Tolerance (lb/in)
0.00
Max Torque Tolerance (N/mm)
0.01
Max Torque Tolerance (kg/mm)
0.00
Max Torque Tolerance (kg/cm)
0.00
Max Torque Tolerance (gm/mm)
1.52
Max Torque Tolerance (gm/cm)
0.15
Deflection to Max Torque
210.00
Deflection to Max Torque Tolerance
Reference
Radius - Build Spec. (in)
0.10
Radius (in)
0.10
Radius (mm)
2.54
Radius (cm)
0.25
Free Position of Ends
210.00
Free Position of Ends Tolerance
10.00
Max Torque Tolerance (N/cm)
0.00149
Inside Diameter - Build Spec (in)
0.04
Brand
Lee Spring
Model Code
LTBL

Micro Torsion Spring

Miniature Compression Springs with Big Performance.

Lee Spring LTBL0040D 20 S is a precision micro torsion spring from the Micro Torsion Spring, engineered for miniature applications requiring reliable quality rotational force in compact designs. This ultra-small spring features a 1.18-mm outside diameter (0.047 inch) designed to work over a rod/mandrel of 0.85 mm (0.034 inch) with a 0.102 -mm wire diameter (0.004 inch). Made from this spring delivers a maximum torque of 0.1488 N-mm (0.0013 lb-in) through its 6.92 total coils with a deflection to max torque of 210 degrees for predictable angular performance in micro-scale applications. The spring features legs with a length of 5.08 mm (0.2 inch) positioned at 210 degrees in the free position, operating at a radius of 2.54 mm (0.1 inch) with a body length of 0.8 mm (0.03 inch). This torsion spring has PASSIVATE PER ASTM A967 and a Left Hand direction of wind and provides consistent rotational force for optimal performance in angular displacement applicattions.

About the Micro Torsion Spring Series

Micro Torsion Springs are a unique micro torsion spring design available in stock and ready to ship. These micro miniature torsion spriongs are avaialble in both inch and metric sizes. Torsion Spring selection are available in seven categories based on the free position of legs (90°, 120°, 180°, 210°, 270°, 300°, 360°) and both left-hand and right-hand wound springs are available.

Direction of Wind:

Good design dictates that torsion springs should be used in the direction that winds the coil. When ordering, select either LTBL (micro left-hand wound) or LTBR (micro right-hand wound) for required application.

Mandrel Size:

Generally, torsion springs are used over a mandrel (shaft or arbor). The column "Suggested Mandrel Size", allows approximately a 10% clearance for the various deflections shown in examples below. If you require greater deflection, a reduction in mandrel size is suggested.

Micro Torsion Spring Torsion Springs have useful applications in various industries, including:

  • Medical devices
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

484760
Product Torsion OD 0.047 in, 210 Degree, Left Hand Wind, Stainless Steel
Product Torsion OD 1.18 mm, 210 Degree, Left Hand Wind, Stainless Steel
Part Number LTBL0040D 20 S
Series Micro Torsion Spring
Outside Diameter (inch) 0.047
Outside Diameter (cm) 0.118
Outside Diameter (mm) 1.18
Wire Diameter (inch) 0.004
Wire Diameter (cm) 0.0102
Wire Diameter (mm) 0.102
Max Torque (lb-in) 0.0013
Max Torque (N-cm) 0.01488
Max Torque (N-mm) 0.1488
Max Torque (kg-cm) 0.001518
Max Torque (kg-mm) 0.01518
Max Torque (gm-cm) 1.518
Max Torque (gm-mm) 15.18
Deflection to Max Torque 210
Radius (cm) 0.254
Radius (in) 0.1
Radius (mm) 2.54
To Work Over Rod/Mandrel (cm) 0.085
To Work Over Rod/Mandrel (in) 0.034
To Work Over Rod/Mandrel (mm) 0.85
Free Position of Ends 210
Length of Leg (cm): 0.508
Length of Leg (in) 0.2
Length of Leg (mm) 5.08
Body Length (cm) 0.08
Body Length (in) 0.03
Body Length (mm) 0.8
Direction of Wind Left Hand
Total Coils 6.92
Material Stainless Steel
Finish PASSIVATE PER ASTM A967
0.03 6.92 210 210 10 0.2 0.010 0.034 0.047 0.002 0.0013 0.00013 Left Hand 0.004
Default View
Side view
Top view
Quantity Price
1 - 19 $9.210
20 - 49 $5.600
50 - 99 $2.960
100 - 199 $1.870
200 - 299 $1.411
300 - 399 $1.269
400 - 499 $1.191
500 - 599 $1.135
600 - 699 $1.051
700 - 799 $0.956
800 - 899 $0.882
900 - 999 $0.817
1000 $0.762

Why Choose Lee Spring?

large selection of springs

Selection

25,000+ products
available, plus custom
products made to your specification.

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

in stock springs

In Stock

Springs ready to ship
today.

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

engineering and customer service support

Support

Engineering and
Customer Service teams ready to assist.

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world

Quick Catalog Request Form

Social Icon

  • facebook
  • facebook
  • linkedin
  • linkedin
  • twitter
  • twitter
  • facebook
  • facebook
  • linkedin
  • linkedin
  • twitter
  • twitter

LeeSpring

Lee Spring, 140 58th Street, Brooklyn, NY 11220 | 888-777-4647
Copyright 2020 Lee Spring Company