Catalogues

Shaft Collars

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(769 KB)

2012 Shaft Collar Stock List

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(245 KB)

Shaft Couplings

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(1.2 MB)

Product Tables

Index
Shaft Collars
Shaft Couplings
Bellows
Disc
Flexible Beam
Jaw
Oldham
Rigid

Engineering

Fastening Hardware
Stick Slip
Torque Charts (Metal)
Torque Charts (Plastic)
Wrench Sizes
REACH Compliance
RoHS Compliance

Articles

Avoiding Coupling Failure
Getting a Hold on Shaft Collars
Rigid Collars for Motion Control
Shaft Couplings

Useful Tools:

Ruland Website
CAD Drawings

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Ruland Shaft Collars and Couplings

Torque Charts - Metal

Please note: The information chart presented on this page are typical values under certain test conditions and are not a guarantee of average values nor a guarantee of maximum or minimum values under all conditions.

Thrust values shown are FAILURE MODE. They are shown solely to indicate that users should use appropriate testing equipment to make his/her own evaluation, and are not intended by Ruland Manufacturing Company, Inc. as warranties, either express or implied, of fitness for a given purpose.
 

1) Inch Forged Socket Cap Screws

Inch
Clamp Screw
Alloy
Seating Torque (lb-in)
Stainless
Seating Torque (lb-in)
#0-80 2 1.3
#1-72 4 2.3
#2-56 6 3.8
#4-40 15 8
#6-32 28 15
#8-32 49 28
#10-32 76 45
1/4-28 170 110
5/16-24 325 190
3/8-24 570 345

2) Metric Forged Socket Cap Screws

Metric
Clamp Screw
Alloy
Seating Torque (Nm)
Stainless
Seating Torque (Nm)
M1.6 0.29 --
M2 0.6 0.36
M2.5 1.21 0.73
M3 2.1 1.1
M4 4.6 2.5
M5 9.5 5.4
M6 16 9.6
M8 39 23
M10 77 46

3) Inch Socket Set Screws

Inch
Clamp Screw
Alloy
Seating Torque (lb-in)
Stainless
Seating Torque (lb-in)
#1-72 0.8 0.48
#2-56 1.8 1.08
#4-40 5 3
#6-32 10 6
#8-32 15 12
#10-32 25 18
1/4-20 87 70
5/16-18 165 130
3/8-16 290 230
1/2-13 620 500

4) Metric Socket Set Screws

Metric
Clamp Screw
Alloy
Seating Torque (Nm)
Stainless
Seating Torque (Nm)
M2 0.21 0.13
M2.5 0.57 0.44
M3 0.92 0.73
M4 2.2 1.76
M5 4 3.20
M6 7.2 5.76
M8 17 13.60
M10 33 26.40
 

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