GearWrench Torque Wrench 85079 1/2 Inch Drive Digital Angle Tracking (25 to 250 ft-lb 72 Tooth 5 Degree Swing Arc Flex Head Mechanical Fastener)
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GearWrench 85079 1/2-Inch Drive Digital Electronic Torque Wrench with Angle Tracking
The GearWrench 85079 1/2-Inch Drive Digital Electronic Torque Wrench is a precision angle-tracking fastener driver engineered for torque-plus-angle tightening protocols on automotive cylinder heads, main bearing caps, suspension struts, and industrial machinery flanges. Delivering a torque measurement range of 25 to 250 ft-lb (34 to 340 Nm) with ±2% clockwise torque accuracy and ±1% angular rotation precision, this 25-inch alloy steel tool features a 72-tooth flex-head ratchet with a 5-degree swing arc. Equipped with ten programmable memory presets, peak torque and angle tracking modes, an oil-resistant dual-durometer handle, and a tri-alert warning system (vibrating handle, buzzer, and LCD display), this tool meets or exceeds ASME B107.28M and B107.300 specifications.
Best Used For:
- Torque-To-Yield Engine Fastener Installation: Executing multi-stage torque and angular rotation sequences on automotive cylinder head bolts and crankshaft main caps.
- Automotive Suspension & Drive Hub Maintenance: Torquing heavy-duty wheel spindle nuts, control arm pivot bolts, and brake caliper brackets within factory tolerances.
- Industrial Machinery Flange Assembly: Calibrating high-stress mechanical fasteners across hydraulic pump mounts, gearbox housings, and structural steel flanges.
Key Performance & Safety Features
- Precision Digital Angle Tracking: Measures rotational degrees directly to execute torque-plus-angle fastener specs without separate angle gauges.
- Flex-Head 72-Tooth Ratchet Mechanism: Operates on a narrow 5-degree swing arc with a pivoting head to clear obstructions in cramped engine bays.
- Tri-Alert Target Warning System: Combines handle vibration, an audible alarm buzzer, and a flashing LCD screen to signal target torque arrival.
- 10 Programmable Memory Presets: Stores frequently used torque and angular specs for rapid recall during repetitive multi-fastener jobs.
- Oil & Solvent-Resistant Dual-Durometer Handle: High-traction cushion grip protects internal electronics and resists degradation from shop chemicals.
- Five Selectable Measurement Units: Converts torque values instantly between ft-lb, in-lb, Nm, kg-m, and kg-cm for global specification compliance.
What's Included
- (1) GearWrench 85079 1/2 In. Drive Flex Head Electronic Torque Wrench with Angle Tracking
- (1) Protective Blow Molded Storage Case
Technical Specifications
| Brand / Manufacturer | GearWrench |
| Model / Part Number | 85079 |
| Drive Square Size | 0.50 in. (1/2 in. Square Drive) |
| Torque Measurement Range | 25.0 to 250.0 ft-lb (34.0 to 340.0 Nm) |
| Torque Accuracy Rating | ±2% Clockwise / ±3% Counterclockwise |
| Angular Tracking Accuracy | ±1% of Angle Reading |
| Selectable Measurement Units | ft-lb, in-lb, Nm, kg-m, kg-cm |
| Internal Ratchet Tooth Count | 72 Teeth (5.0° Swing Arc) |
| Overall Tool Length | 25.0 in. (635.0 mm) |
| Ratchet Head Dimensions | Width: 1.58 in. / Length: 2.65 in. / Thickness: 0.84 in. |
| Power Supply Requirement | 2 AA Alkaline Batteries (Required, Sold Separately) |
| Body Core Material & Finish | Alloy Steel / Full Polish Chrome Plating |
| ASME Industrial Compliance | Meets or Exceeds ASME B107.28M & B107.300 |
Pro-Tip: Set the primary torque target first when tightening torque-to-yield head bolts; once the initial torque alert triggers, switch directly to angle mode without removing the socket to execute the required angular turn accurately.
