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Jonard preset torque wrench 7/16 inch drive 40 in lb full head chrome finish

Jonard

Jonard TWAF-71640 Torque Wrench 7/16 In 40 In lb

SKU CH-PC13-B3H1W

Preset micrometer torque wrench with 7/16 in drive fixed at 40 in-lb for clockwise and counterclockwise use

  • Preset torque eliminates adjustment errors with factory-set 40 in-lb accuracy
  • Bidirectional ratcheting handles clockwise and counterclockwise fastening tasks
  • 7/16 inch drive fits common automotive and industrial fasteners
  • Tether-ready design prevents drops during elevated work
  • Micrometer mechanism delivers repeatable torque without manual calibration

Preset Micrometer Torque Wrench

The Jonard TWAF-71640 is a factory-set torque wrench designed for technicians who need a single, repeatable tightening value. It operates at a fixed 40 in-lb setting with a 7/16 in drive, removing the need for on-site adjustment during repetitive assembly tasks.

Clockwise And Counterclockwise Operation

The wrench accepts force in both rotation directions, allowing use on standard and reverse-thread fasteners without changing tools. A full-head design distributes load across the fastener face, while the tether-capable handle supports safety-lanyard attachment for elevated work environments.

Factory Calibration And Compliance

The tool arrives calibrated to the stated 40 in-lb value, so it can enter service immediately without a preliminary verification step. A California Proposition 65 notice applies, informing users that the product contains chemicals identified by the state as causing cancer and reproductive harm.

How it compares

Measured against everything we stock in Tool Bags & Storage Cases, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 64% of the 2,748 comparable items (median $20.99).

Specifications

Product
Brand nameJONARD TOOLS

Questions about this item

How do I install the Jonard TWAF-71640 torque wrench on a 7/16 inch fastener without over-tightening?

Set the micrometer to 40 in-lb, engage the 7/16 inch drive on the fastener, and apply force clockwise or counterclockwise until the wrench signals the preset torque is reached.

What maintenance will the Jonard TWAF-71640 torque wrench need over time?

Periodically verify calibration at the 40 in-lb setting, clean the 7/16 inch drive and ratchet mechanism, and store the wrench at its lowest setting to maintain spring accuracy.

What is the first limit reached when using the Jonard TWAF-71640 torque wrench continuously?

The fixed 40 in-lb torque ceiling is the primary limit; sustained use at this maximum value will trigger the preset release mechanism on every cycle.

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