90-Tooth Flex Head Split Beam Torque Wrench with Case
| Drive Size | 1/2 in. |
|---|---|
| Tooth Count / Swing Arc | 90-Tooth / 4° |
| Head Style | 10° Flex |
| Torque Range | 50 - 250 ft-lb |
| Torque Calibration Test Points | 50, 150, 250 ft-lb |
| Unit Scale | ft-lb |
| Minimum Increment | 5 ft-lb |
| Measuring Direction | Clockwise |
| Torque Accuracy | Within ±4% CW |
| Feedback | Mechanical Click |
| Standards (meets or exceeds) | ISO 6789-1:2017 |
| Effective Length | 19.2 in. |
| Overall Length | 22.8 in. |
| Weight | 3.8 lb. |
| Country of Origin | Taiwan |
| Other Included Items |
|
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Details
Quick to Set, Store at Any Setting
- Thumbscrew Adjustment Knob — Fast torque setting changes
- Split Beam Mechanism — No spring under load, store at any setting
- Accurate within ±4% — Certificate of calibration included
- 90-Tooth Ratchet Gear — 4° swing arc between teeth
- 10-Degree Flex Head — Handle clearance for tires, fenders, etc.
- Large Conversion Scale — Laser-engraved on the back of the handle
Accurate Within ±4% for Clockwise Direction
The actual calibration accuracy will be stated on the certificate for your wrench, and will be within ±4%.
90-Tooth Ratchet
The 90-tooth gear offers a 4° swing arc between clicks, which equates to 1.34 inches of travel at the center of the handle.
The single half-moon pawl maintains 10 teeth engaged with the gear at all times, so it won't skip under stress.
10-Degree Flex Head
The flex head offers the clearance to work around nearby obstructions. Some accuracy is lost when the handle is not in the straight position, so this feature should only be used when needed.
Full-Range Calibration Using the ISO Standard
| Standard | ISO 6789-1:2017 | ASME B107.300-2021 |
|---|---|---|
| Set Points (Percentages are of maximum torque value) | Lowest Value 60% 100% | 20% 60% 100% |
| Accuracy | ±4% CW ±4% CCW | ±4% CW ±6% CCW |
| Readings Per Set Point | 5 | 3 |
This torque wrench is calibrated to the ISO standard. The ASME standard is more commonly used, but the ISO requirements are stricter in a few key ways:
- ISO requires the lowest marked value on the scale to be tested. ASME starts testing at 20% of the range, which is often higher than the lowest marked value.
- ISO requires clockwise and counterclockwise tests to match, whereas ASME allows counterclockwise to be less precise.
- ISO requires 5 readings for each set point, whereas ASME only requires 3 readings for each.
Because this torque wrench is calibrated to the ISO standard, it also meets and exceeds the ASME standard.
Serialized Certificate of Calibration
Every torque wrench includes its own calibration certificate, matched to the serial number on the handle. Five measurements are recorded at each of the three set points (50, 150, and 250 ft-lb) and the results are printed on the certificate.
Large Conversion Scale
When a torque spec calls for Nm, you can flip the wrench over and use the conversion chart on the back. The chart is laser-marked as large as possible. The conversion factor is also labeled above the chart if you'd rather do the math.
1 Nm = 0.7376 ft-lb
(Rounded to 0.74 ft-lb on the wrench)
Design and Components
Full-Feature Case
The case provides safe transport for the torque wrench and protects it from drops. The case is made of high density polyethylene (HDPE) and the latches are polypropylene (PP). Each item in the case has its own place and is held securely.
Removable Lid for Shallow Drawers
Top and Bottom Tracks Allow Stacking
Textured Surfaces Provide a Firm Grip
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Electronic
A multi-unit, dual-direction electronic torque wrench that can measure torque and angle. The large LCD screen provides real-time feedback along with lights, sounds, and vibration. It stores 10 custom presets and the last 50 history records. It’s our most capable and accurate torque wrench.
Accuracy: Within ±2% Torque, ±1% Angle
Directions: Clockwise, Counterclockwise
Tooth Count: 90 (4° Swing Arc)
Head Style: 15° Flex
Drive Sizes: 3/8, 1/2 in.
Feedback: LCD, Lights, Sounds, Vibration
Units: in-lb, ft-lb, Nm, kg-m
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Micrometer
A single-unit, dual-direction mechanical torque wrench with a high-resolution micrometer scale that’s easy to read and lock in place but requires being set to the minimum value when storing. It's an affordable combination of accuracy and mechanical reliability.
Accuracy: Within ±3%
Directions: Clockwise, Counterclockwise
Tooth Count: 90 (4° Swing Arc)
Head Style: Fixed
Drive Sizes: 1/4, 3/8, 1/2 in.
Feedback: Mechanical Click
Units: in-lb, ft-lb, Nm
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Split Beam
A single-unit, single-direction mechanical torque wrench that is fast and easy to set and can be stored at any setting because it uses a durable deflecting beam rather than a spring to measure torque. It has a clear, consistent click. It's ideal for users who measure in the usual clockwise tightening direction and make frequent setting changes.
Accuracy: Within ±4%
Directions: Clockwise
Tooth Count: 90 (4° Swing Arc)
Head Style: 10° Flex
Drive Sizes: 3/8, 1/2 in.
Feedback: Mechanical Click
Units: ft-lb, Nm
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Specifications
1/2 Inch Drive 90-Tooth Flex Head Split Beam Torque Wrench with Case (50 - 250 ft-lb)
| Country of Origin | Taiwan |
| Item Weight | 5.5 lb. |