Llaves inglesas y llaves fijas

DECADES OF REFINEMENT. DIN AND ISO AS THE STARTING POINT.

The TengTools wrench range has been developed over many years with DIN and ISO standards as the lowest benchmark for quality and size tolerances - a commitment that has earned top positions on best-buy lists in consumer and trade publications worldwide. Manufactured from chrome vanadium steel with a satin finish for durability and corrosion resistance, every wrench in the range is clearly size-marked for fast identification. The TengTools Hip Grip design on the ring end contacts the flat sides of the fastener rather than the corners, reducing the risk of rounding and maximising torque transfer.

Combination Wrenches

The combination wrench range is manufactured to DIN 3113A and offset at 15 degrees to provide better hand clearance and improved accessibility on flat surfaces. Available in metric and imperial sizes across a wide range to cover most application areas.

Ratcheting Wrenches

The ratcheting wrench range features 72 teeth delivering a 5 degree arc swing for rapid tightening and loosening with minimal movement. The R range includes a flip reverse lever for instant direction switching without removing the wrench from the fastener, and is offset at 15 degrees for use against flat surfaces. The RS range is straight profiled for direct access to the nut and simply flips over to reverse ratcheting direction. Both ranges feature the Teng Tools Hip Grip design and are manufactured to DIN ISO 1711-1 and DIN 3113A with a chrome vanadium satin finish.

Common questions about llaves inglesas y llaves fijas ↓

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Common questions

What standards are Teng wrenches made to?
The range is developed with DIN and ISO standards as the lowest benchmark for quality and size tolerances — combination wrenches to DIN 3113A in high grade chrome vanadium steel.
Why is the ring end offset?
The ring head is offset 15° so you can get onto a fastener even against flat surfaces, with knuckle clearance. The Hip Grip profile grips the flats of the nut rather than the corners, protecting the fastener.
What's the difference between the R and RS ratcheting wrenches?
The R range has a lever to switch instantly between left and right-hand action and is offset 15° for flat surfaces. The RS range is straight for direct reach onto the nut — flip the wrench over to change ratcheting direction.
How do I use a wrench without damaging fasteners?
Use the exact size for the nut or bolt, apply pressure smoothly in the tightening direction with a firm grip, and avoid jerking or twisting. Don't over-tighten, and don't use a wrench in wet or oily conditions where it can slip.
When should I replace a wrench?
Inspect regularly and replace a damaged or worn wrench immediately — it can slip or break under load. And never use a wrench as a hammer or pry bar.

Los valores de par y las directrices de calibración proceden del catálogo de Teng Tools. Siga siempre el par especificado por el fabricante del elemento de fijación.