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Torque Wrenches

Torque wrenches let you tighten fixings to a set value — essential when the manual specifies foot-pounds or newton-metres and guesswork isn't good enough. Premier's micrometer-style models use a mechanical click mechanism; digital versions display the reading on screen and can log peak values or measure angle rotation for yield-point bolts.

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Showing 1–48 of 53 results

Pick the drive size and range to suit the work. A 1/4" square drive covers small fasteners — sensors, cam caps, anything under 20 Nm. A 3/8" drive handles most engine and chassis work up to 100 Nm. For wheel nuts, suspension arms, or driveline bolts, a 1/2" drive gives you 40–200 Nm in the standard models, or 20–200 Nm in the digital flexi-head if access is tight. The 3/4" drives start at 150 Nm and run to nearly 1000 Nm — gearbox housings, diff casings, heavy plant.

Micrometer wrenches need the collar unlocked before you twist the grip to dial in your target torque, then locked again before use. The click tells you you've hit the setting; back off a quarter-turn after each job so the spring doesn't stay compressed. Digital models show live torque as you pull, which matters when you're creeping up on a value or checking residual preload. Angle functions track degrees past snug — useful for torque-to-yield head bolts that stretch rather than click.

Calibration drifts with use. Premier's wrenches ship with a certificate; how often you re-certify depends on how critical the work is and how hard you lean on them. Store torque wrenches at the lowest scale setting, never as a breaker bar.

Frequently asked questions

What is a torque wrench used for?
A torque wrench tightens fixings to a set value in foot-pounds or newton-metres. It prevents guesswork on jobs where the manual specifies an exact torque — engine bolts, chassis fixings, wheel nuts, or anything that needs precise preload.
What drive size torque wrench do I need for wheel nuts?
A 1/2" square drive handles wheel nuts and most suspension or driveline bolts, with standard ranges of 40–200 Nm or 20–200 Nm in the digital flexi-head models if access is restricted.
What is the difference between a micrometer torque wrench and a digital torque wrench?
Micrometer-style torque wrenches use a mechanical click mechanism to signal when you reach the set value. Digital torque wrenches display live torque on screen as you pull and can log peak values or measure angle rotation for yield-point bolts.
What torque wrench range do I need for small engine work?
A 1/4" square drive covers small fasteners such as sensors and cam caps, handling values under 20 Nm. A 3/8" drive handles most engine and chassis work up to 100 Nm.
Can I use a torque wrench as a breaker bar?
No. Store torque wrenches at the lowest scale setting and never use them as a breaker bar, as this will damage the calibration mechanism.
Do torque wrenches need calibration?
Yes. Calibration drifts with use. The Calibrated models in this range are supplied certified to ISO 6789-1:2017; for other wrenches, have calibration checked periodically — how often depends on how critical the work is and how hard you lean on them.