Industrial Tools
Torque Systems

Sturtevant Richmont BH series

Common Centre Line 36.5 mm

Interchangeable Box Head with 1 7/16" Center Line

Box head interchangeable head with Sturtevant Richmont dovetail connector. Cast as a single piece from alloy steel. The manufacturing method provides strength and durability rarely attained by the more common "cut and weld" method. BH box heads are ideal, when:

  • A socket cannot be used,
  • The entire hex of the fastener or fitting can be engaged,
  • A high level of head strength (torque level) is needed.

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

  • Double hex point force transmission
  • SR dovetail connector with outstanding rigidity and wear resistance
  • Centre line 36.5 mm
  • Cast Alloy Steel, black finished
BH (mm)
Model Item No. A/F
mm
Max. Torque
N·m
A
mm
B
mm
C
mm
D
mm
E
mm
BH-8 MM R809302 8 39 43.7 13.5 7.1 19.1 20.6
BH-9 MM *) R809303 9 50 44.5 15.9 8.7 19.1 20.6
BH-10 MM R809230 10 50 44.5 15.9 8.7 19.1 20.6
BH-11 MM R809231 11 73 46.0 19.1 9.5 19.1 20.6
BH-12 MM R809304 12 96 46.8 21.4 9.5 19.1 20.6
BH-13 MM R809232 13 96 46.8 21.4 9.5 19.1 20.6
BH-14 MM R809233 14 119 48.4 24.6 10.3 22.2 20.6
BH-15 MM R809234 15 141 50.0 27.0 11.9 25.4 23.8
BH-16 MM R809305 16 141 50.0 27.0 11.9 25.4 23.8
BH-17 MM R809235 17 163 50.8 28.6 13.5 25.4 23.8
BH-18 MM R809306 18 163 50.8 28.6 13.5 25.4 23.8
BH-19 MM R809236 19 203 52.4 31.8 14.3 25.4 23.8
BH-21 MM R809307 21 237 53.2 33.3 14.3 25.4 23.8
BH-22 MM R809308 22 271 54.8 36.5 15.9 31.8 23.8
BH-24 MM R809237 24 305 55.6 38.1 16.7 31.8 23.8
BH-27 MM R809352 27 355 56.4 39.7 18.3 31.8 23.8
BH (inch)
Model Item No. A/F
inch
Max. Torque
lbf·in
Max. Torque
N·m
A
mm
B
mm
C
mm
D
mm
E
mm
BH-1/4 R819060 1/4 250 28 43.7 13.5 7.1 19.1 20.6
BH-5/16 R819061 5/16 350 39 43.7 13.5 7.1 19.1 20.6
BH-3/8 R819062 3/8 450 50 44.5 15.9 8.7 19.1 20.6
BH-7/16 R819063 7/16 650 73 46.0 19.1 9.5 19.1 20.6
BH-1/2 R819064 1/2 850 96 46.8 21.4 9.5 19.1 20.6
BH-9/16 R819065 9/16 1050 119 48.4 24.6 10.3 22.2 20.6
BH-5/8 R819066 5/8 1250 141 50.0 27.0 11.9 25.4 23.8
BH-11/16 R816067 11/16 1450 163 50.8 28.6 13.5 25.4 23.8
BH-3/4 R819068 3/4 1800 203 52.4 31.8 14.3 25.4 23.8
BH-13/16 R819069 13/16 2100 237 53.2 33.3 14.3 25.4 23.8
BH-7/8 R819070 7/8 2400 271 54.8 36.5 15.9 31.8 23.8
BH-15/16 R819071 15/16 2700 305 55.6 38.1 16.7 31.8 23.8
BH-1 R819072 1 3000 339 56.4 39.7 18.3 31.8 23.8
BH-1.1/16 R819073 1.1/16 3150 355 56.4 39.7 18.3 31.8 23.8
BH-1.1/8 R819074 1.1/8 3300 373 62.7 52.4 22.2 31.8 23.8
BH-1.1/4 R819075 1.1/4 3600 406 62.7 52.4 22.2 31.8 23.8
*) Discontinued

All specifications without guarantee, errors and omissions excepted.

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