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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 -

Square Drive Ratchet Torque Wrench Head

PROTO JH7-12RA
StyleModelSizeOverall LengthInterchangeable Head TypePrice
AJH7-12R1/2"5 7/8"Square Ratcheting€324.46
AJH5-38R3/8"4.094"Square Ratcheting€238.18
PROTO -

Open End Torque Wrench Head

PROTO JH5-22A
PROTO JH4-10MB
StyleModelOverall LengthMax. TorqueSizeInterchangeable Head TypePrice
AJH5-223 7/8"1185 lbs.-in.-Open End€93.41
BJH4-10M3.062"265 lbs.-in.10 mmOpen End€102.01
BJH4-123.062"220 lbs.-in.-Open End€100.56
BJH4-13M3.094"495 lbs.-in.13 mm-€105.46
BJH4-14M3.156"695 lbs.-in.-Open End€110.34
AJH5-264"2310 lbs.-in.-Open End€107.45
AJH7-325.656"3575 lbs.-in.1"Open End€121.88
AJH7-445.938"3600 lbs.-in.1.375"-€176.18
PROTO -

Torque Wrench Head Box End 7/16 Inch

Torque Wrench Head Box End 7/16 Inch
ModelItemPrice (ex. VAT)
JH4-14BAD8WAR€96.14

Features

  • Fits around the entire head of the fastener for a more secure grip while turning
  • Countersunk on both sides to allow for easy application to the fastener
  • With Proto TorquePlus, a wrench can be engaged quickly with the flat side of a fastener, not the corners
  • Low profile for easy access
  • Available in open end, box end & square drive styles
  • Box end head allows fine indexing, helping improve speed and access
  • Fixed ratcheting head features a robust, 24-tooth design with a 15-degree arc swing
  • Open end head is angled at 15 degrees to help keep the shank clear of obstacles, improving access

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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