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ProFix 3/4 in to 1/2 in Torque Adaptor, chrome vanadium steel

ProFix

ProFix 3/4 in to 1/2 in Torque Adaptor, chrome vanadium steel

★ 4.5 (n_reviews)

A chrome vanadium steel adaptor taking a 3/4 in drive to 1/2 in, black oxide finish, for using one torque wrench across two socket sizes.

$15.99 The price you see is the price you pay: duty and sales tax are already included, so nothing is collected on delivery.
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  • SKU PF-TQA-34
  • ships_from Shanghai, China
  • lead_time 45–60 days door to door
region_note_h Customs and duty: our DDP lanes include import duty and clearance, so the price on this page is the price you pay. Where the $3.48-per-item duty applies to low-value consignments, we group items into sets precisely so the cost is spread rather than multiplied.

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  • Rigid, hardened square — a springy adaptor reads as torque and costs you the setting
  • No correction factor: the wrench reads at the socket, whatever the drive size
  • Retained by ball or pin, so the socket does not drop off mid-pull
  • chrome vanadium steel with a black oxide finish finish, for a workshop that already owns both drive sizes

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Shipping methodSea freight DDP — the lower 48 states, door to door
Duty statusDDP — import duty, clearance and door delivery included
Delivery time45–60 days door to door
Materialchrome vanadium steel
Finishblack oxide finish
Input3/4 in
Output1/2 in
Weight0.28 kg
Packed size10 × 6 × 4 cm

What it is for

An adaptor is the cheapest way to make one torque wrench cover two drive sizes, and it is also the easiest place to lose accuracy: a sloppy fit adds a few degrees of wind-up that the wrench then reads as torque. These are machined to a close fit and hardened through, so the extension stays rigid rather than springy under load.

Going from a 3/4 in drive to 1/2 in, the wrench still reads at the socket, so the figure on the scale is the figure at the fastener — there is no correction factor to apply. Keep the joint clean and dry: grease inside a square drive is how an adaptor starts reading short.

Specification detail

chrome vanadium steel adaptor, 3/4 in female to 1/2 in male, black oxide finish, with a through-hardened square and a spring-loaded ball or pin on the male end. Overall length 45 mm.

Buying more than one

Orders are consolidated and re-weighed at intake, and freight is re-calculated on the actual chargeable weight. If you are ordering several items for one address, ask us for a combined quote before paying — mixing light and bulky items usually brings the freight share down.

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