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ATB Break-Over Torque Wrench


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The ATB is adjustable torque wrench suitable for a variety of applications across multiple industries from aviation maintenance to general repair tasks. The wrench has the ability to change head configurations like open end, box, flare or a ratchet head. At the set torque, the handle moves through an angle of 20º before resetting.

Designed and manufactured to meet or exceed the accuracy and repeatability requirements of ISO 6789:2003
(Tools < 10 N.m (+/- 6% of setting): 
ATB2.5, ATB5 & ATB10
(Tools > 10 N.m are +/- 4% of setting): 
ATB25, ATB50 * ATB100

 

  • Adjustable torque wrench that breaks over upon reaching preset torque and resets automatically.
  • Easy-to-read single scale models protected by a display window. Graduation collar on the torque handle.
  • Extenally adjustable tool that offers different setting options for applications that require more than one torque value.
  • The "positive" locking system securely prevents incidental torque adjustment.
  • Compact and well balanced. Ideal for use in restricted areas.
  • ATB 2.5, ATB5 & ATB10 models feature an 8mm Spigot end.
    ATB25, ATB50 & ATB100 models includes a ratchet head, which can be removed for 16mm spigot end.
  • Interchangeable Heads for all models are available.

 

Small ATB models (with 8mm Spigot End)

ATB Adjustable Break-Over Torque Wrenches Small

Torque Ranges

Model Item # Torque Range Graduation
Scale
Drive Type Length
in
Length
mm
Wt.
oz.
Wt.
gm
 ATB2.5  020658  50 - 250 cN.m  1.25 cN.m  8mm Spigot   7 1/2"  220  8.5  240
 ATB2.5i  020659  4.5 -22.5 lbf.in  0.1 lbf.in  8mm Spigot   7 1/2"  220  8.5  240
 ATB5  020628  1 - 5 N.m  0.025 N.m  8mm Spigot   8 2/3"  220  10.2  290
 ATB5i  020629  10 - 45 lbf.in  0.25 lbf.in  8mm Spigot   8 2/3"  220  10.2  290
 ATB10  020620  2 - 10 N.m   1 N.m  8mm Spigot   8 2/3"  220  10.6  300
 ATB10i  020622  20 - 90 lbf.in   0.5 lbf.in  8mm Spigot   8 2/3"  220  10.6  300

 

Large ATB models (with Ratchet head which can be removed for 16mm spigot end)

 

 

Model Item # Torque Range Graduation
Scale
Drive Type Length
in
Length
mm
Wt.
oz.
Wt.
gm
 ATB25  020680  5 - 25 N.m  0.1 N.m  1/4 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB25i  020681  50 -250 lbf.in  1 lbf.in  1/4 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB25F  020682  4 - 20 lbf.ft  0.1 lbf.ft  1/4 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB25  020683  5 - 25 N.m  0.1 N.m  3/8 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB25i  020684  50 -250 lbf.in   1 lbf.in  3/8 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB25F  020685  4 - 20 lbf.ft  0.1 lbf.ft  3/8 Sq Dr & 16mm Spigot  13 1/2”  345 38.8 1100
 ATB50  020686  10 - 50 N.m  0.25 N.m  3/8 Sq Dr & 16mm Spigot  14 1/3”  365 40.2 1140
 ATB50i  020687  120 - 440 lbf.in  2 lbf.in  3/8 Sq Dr & 16mm Spigot  14 1/3”  365 40.2 1140
 ATB50F  020688   7 - 37 lbf.ft  0.125 lbf.ft  3/8 Sq Dr & 16mm Spigot  14 1/3”  365 40.2 1140
 ATB100  020689  20 - 100 N.m  0.5 N.m  1/2 Sq Dr & 16mm Spigot  15 3/4”  400 45.9 1300
 ATB100i  020690  240 - 880 lbf.in  4 lbf.in  1/2 Sq Dr & 16mm Spigot  15 3/4”  400 45.9 1300
 ATB100F  020691  14 - 74 lbf.ft  0.25 lbf.ft  1/2 Sq Dr & 16mm Spigot  15 3/4”  400 45.9 1300

 

 

Data Sheet & Manual

Interchangeable Heads

Head options for wrenches with 8mm Spigot
(ATB2.5, ATB5 & ATB10 models)
      Head options for wrenches with 16mm Spigot end fittings
(ATB25, ATB50 & ATB100 models)
Open End
Box Head End
Flare End
Ratchet Head
Fixed Head
Blank End
     

Open End
Box Head End
Flare End
Ratchet Head
Fixed Head
Blank End
Hex Key Adapter