1/2 Drive Ratchet Head 50-250 FT-LBS Micro-Adjustable Torque Wrench 4478
The Wright Tool 4478 1/2" Drive Torque wrench is a micro-adjustable "click type" metal handle torque wrench. Made to use with hand sockets. It is accurate; ± 4% clockwise; ± 6% counterclockwise @ 20% of the scale. It is easy to operate; rugged; and durable.
FEATURES:
- Patented Wright Drive distributes contact over a larger surface area for greater gripping power and strength.
- Forged and Machined for Best Fit and Unyielding Strength.
- Precision heat-treated and tempered for optimal hardness; ductility and durability.
- Push button socket “quick release” mechanism.
- English scales primary and metric secondary.
- Distinct breaking action when the set torque is reached.
- Breaking action and clicking noise is greatest at the upper part of the scale.
- Comes in fitted blow mold plastic storage box.
- Includes a Certificate of Calibration.
- Made in the USA. Designed; engineered and manufactured in Barberton; OH.
- Meets and exceeds ASME B107 hand tool standards.
SPECIFICATIONS:
| Drive Size | 1/2" |
|---|---|
| Length | 24.4" |
| Torque Range | 50-250 ft. lb. |
| Torque Range Metric | 47-332 Nm |
| Type | Click |
| Head Style | Ratchet |
| Increments (ft. lb.) | 1 |
| Increments (Nm) | 1.5 |
| Material | Forged Alloy Steel |
| Finish | Chrome |
| Head Type | Round |
| Locking Type | Ball |
| Accuracy | ±4% Both Ways |