Ratchet head for ease of use. Micrometer adjustment. Supplied in storage case. Torque ranges: 1/4"...Ratchet head for ease of use. Micrometer adjustment. Supplied in storage case. Torque ranges: 1/4" Drive - 5-25Nm 3/8" Drive - 20-110Nm 1/2" Drive - 30-210Nm No tool kit is complete without a torque wrench, and this one from Draper is ideal for helping you tighten nuts and bolts to a specific torque. Keep one in the car in case of punctures, or use it to fine-tune mechanical equipment. It's designed with micrometer adjustment, so you'll know when you've reached your desired amount of torque. Plus, the ratchet head makes this easy to use as you can crank it back and forth to operate it, without having to remove the socket on every turn. Torque range of 20 to 110 Nm Clockwise right-hand thread torque application only. Made of chrome vanadium steel for strength and durability Micrometer adjustment to easily reach your required torque Ratchet head for speed and ease of use Supplied in storage case to keep it safe between jobs.
This guide is for anyone needing precise tightening of nuts and bolts, particularly mechanics, DIY enthusiasts, and automotive repair specialists. The Draper Torque Wrench - 3/8" Drive offers accurate torque application, ensuring proper fastener tension and preventing damage. Be aware that this wrench is designed for clockwise, right-hand thread applications only.
All features
Model Part Number
78641
Brand
Draper
Extended Product Information
FAQs
What is the torque range of this wrench?
The torque range is 20 - 110 N⋅m.
What kind of applications is this wrench suitable for?
It is suitable for automotive repair, engine maintenance, and mechanical assembly where precise torque is required.
What is the drive size of this torque wrench?
The drive size is 3/8".
What type of thread is this wrench designed for?
It is designed for clockwise, right-hand thread applications only.
How do I store the torque wrench?
Store the torque wrench in the provided storage case when not in use.
How do I set the torque value?
Unlock the adjustment mechanism, rotate the handle to the desired torque value, and lock the mechanism.
What material is the wrench made of?
The wrench is made of chrome vanadium steel.
Does the wrench require calibration?
While not always required, periodic calibration is recommended to maintain accuracy, especially with frequent use.
Troubleshooting
Wrench doesn't click or indicate torque reached.
Ensure the torque setting is correct and the mechanism is locked. Apply force steadily and evenly. If the problem persists, the wrench may require calibration or repair.
Wrench is difficult to adjust.
Ensure the adjustment mechanism is unlocked before attempting to adjust the torque setting. Clean any debris from the adjustment mechanism and lubricate if necessary.
Pros and Cons
Pros
Precise torque application prevents over-tightening and damage.
Ratchet head design enhances ease and speed of use.
Durable chrome vanadium steel construction ensures longevity.
Micrometer adjustment allows for fine-tuning torque settings.
Comes with a storage case for protection and organization.
Cons
Limited to clockwise, right-hand thread applications only.
Requires understanding of torque specifications for various applications.
May require calibration over time with heavy use.
Setup, Compatibility & Care
Setting the Torque:
Unlock the adjustment mechanism.
Rotate the handle until the desired torque value is aligned with the scale.
Lock the adjustment mechanism.
Using the Wrench:
Attach the correct socket to the wrench head.
Place the socket onto the nut or bolt.
Apply force until you hear and/or feel a click, indicating the set torque has been reached.
Compatibility:
Compatible with standard sockets that fit the 3/8" drive.
Designed for use on right-hand threaded fasteners.
Care:
Store in the provided case when not in use.
Avoid dropping or mishandling the wrench.
Clean with a damp cloth; do not use solvents.
Consider periodic calibration to maintain accuracy.