Industrial Tools
Torque Systems

Fixed Square Drive Head with 3 7/8" Center Line

Common Centre Line: 3 7/8 inch

Fixed square drive interchangeable head with Sturtevant Richmont dovetail connector. Suitable for SR clicker type torque wrenches CCM-400 and CCM-600 or series LTC. SD square drive heads are ideal, when:

– calibrating the wrench on a torque tester,
– a socket can be used to engage the fastener,
– a small amount of rotation will be needed to attain the desired torque.

The unique SR dovetail design used to join head and wrench provides an exceptionally strong connection and allows complete interchangeability. The SR system contributes to both operational flexibility and enhancing your return on investment!

To achieve constant torque values when changing heads, exact lever length must be maintained. Virtually all SR heads share a precise distance form end of wrench to center of fastener. This is referred to as a "Common Center Line" and is very difficult to maintain using the cut and weld construction method.

 

Features

  • Square drive acc. to DIN 3120A
  • SR dovetail connector with outstanding rigidity and wear resistance
  • Centre Line 3 7/8 inch
  • Alloy Steel, black finished
S-SD
Model Item No. A/F
inch
Max. Torque
lbf·in
Max. Torque
N·m
A
mm
B
mm
C
mm
D
mm
E
mm
SD-3/4 R819119 3/4 4800 542 117.5 38.1 16.7 38.1 25.4
All specifications without guarantee, errors and omissions excepted.

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