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PROTO Interchangeable Torque Wrench Heads

Feature interchangeable heads for a variety of assembly operations. Ideal for applications in metalworking and plumbing industries and are available in box end / open end / square drive heads

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Proto interchangeable torque wrench heads can be used with compatible interchangeable head wrenches. These torque wrenches have an ergonomic design that allows multiple heads to work with the same...Read more
PROTO -

Open End Torque Wrench Head

PROTO JH4-13MA
PROTO JH5-26B
StyleModelDrive SizeMax. TorqueOverall LengthSizePrice (inc. VAT)
AJH4-13MH4495 in.-lb.3 3/32"13£86.05
AJH4-14MH4695 in.-lb.3.156"14mm£90.04
AJH4-10MH4265 in.-lb.3 1/16"10£88.94
AJH4-12H4220 in.-lb.3 1/16"3/8"£87.68
BJH5-26H52310 in.-lb.3 31/32"13/16"£93.69
BJH5-22H51185 in.-lb.3.875"11/16"£76.23
BJH7-44H73600 in.-lb.5 15/16"1.375"£153.62
BJH7-32H73575 in.-lb.5 21/32"1"£99.46
PROTO -

Square Drive Ratchet Torque Wrench Head

PROTO JH5-38RA
StyleModelDrive SizeMax. TorqueOverall LengthSizePrice (inc. VAT)
AJH5-38RH51200 in.-lb.4 3/32"3/8"£207.68
AJH7-12RH73000 in.-lb.5.875"1/2"£264.77
PROTO -

Torque Wrench Head Box End 7/16 Inch

Torque Wrench Head Box End 7/16 Inch
ModelItemPrice (inc. VAT)
JH4-14BAD8WAR£83.83

Frequently Asked Questions

How do you use a torque wrench?

  • Adjust the handle and set it to the desired torque level.
  • To lock it in place, use the tightener at the end of the handle.
  • Slip it over the socket / nut / bolt and tighten it clockwise.
  • When finished, reset the handle's settings to 0 and store it somewhere safe.

How do you set the torque on a torque wrench?

  • Turn the knob at the wrench handle's end clockwise.
  • This tightens the wrench and sets the torque level on the wrench.
  • If you need to re-adjust the torque, loosen the knob and turn the handle to the desired torque.

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