K-Tool International HD4B750 Breakback Torque Wrench, 1 Inch Drive, 200 to 750 Foot Pounds, plus or minus 4 Percent Accuracy
- K-Tool International HD4B750 is a mechanical breakback torque wrench for heavy duty fastening on trucks, equipment, and industrial assemblies. It uses a 1 inch drive with a verified working range of 200 to 750 foot pounds and plus or minus 4 percent accuracy. This is a standalone hand tool, not a replacement part.
- Features:
- 1 inch square drive and 200 to 750 foot pound range support high torque applications on large fasteners for reliable clamp load
- Breakback mechanism provides a clear fold at target torque to help reduce over tightening in noisy or low visibility conditions
- Plus or minus 4 percent stated accuracy supports repeatable results for service and assembly quality control
- Fully heat treated handle enhances durability for shop and field use
- General purpose mechanical torque tool for large fasteners; not a vehicle specific replacement part
- Specifications:
- Manufacturer: K-Tool International
- Part Number: HD4B750
- Drive Size: 1 inch square drive
- Torque Range: 200 to 750 foot pounds
- Accuracy: plus or minus 4 percent
- Mechanism: Mechanical breakback, fixed head
- Handle: Fully heat treated
- Standards: Meets or exceeds ISO 6789, Federal GGG-W-686D, and ANSI B107.14M
- System Compatibility / Application: For tightening large fasteners with 1 inch drive sockets in automotive, fleet, industrial, and agricultural service; not a replacement part
- The HD4B750 Breakback Torque Wrench can also be referred to as breakback torque wrench, 1 inch drive torque wrench, 750 foot pound torque wrench, industrial torque wrench, and mechanical breakback torque wrench.
K-Tool International designs professional hand tools for automotive, fleet, agricultural, and industrial applications. The HD4B750 combines a high capacity breakback mechanism, a robust 1 inch drive, and shop ready construction to deliver accurate, repeatable torque on large fasteners.
Q: What is the verified working torque range?
A: The working range is 200 to 750 foot pounds, suitable for large fasteners on trucks and equipment.
Q: How does a breakback torque wrench indicate target torque?
A: The handle "breaks" or folds at the preset value, giving a clear mechanical signal to stop applying force and helping prevent over tightening.
Q: What accuracy and standards does this model meet?
A: It is stated at plus or minus 4 percent and meets or exceeds ISO 6789, Federal GGG-W-686D, and ANSI B107.14M.