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ACDelco ARM317-4A 1/2" Heavy Duty Angle Digital Torque Wrenches, Electronic Torque Wrench (1/2" 5.0 to 99.5 ft-lbs.) ISO 6789 Standards with Certificate of Calibration
ACDelco ARM317-4A 1/2" Heavy Duty Angle Digital Torque Wrenches, Electronic Torque Wrench (1/2" 5.0 to 99.5 ft-lbs.) ISO 6789 Standards with Certificate of Calibration
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From the manufacturer

ARM3xx ARM6xx digital torque wrench adaptors

How To Choose The Right Digital Torque Wrench
- Drive size (obvious)
- Torque range that fits your applications. Choose one where your typical application torques falls into the mid/higher part of the range.
- Accuracy rating: applies from 20% to 100% of max. torque. e.g. Torque range of 10~100 ft-lbs will have stated accuracy rating between 20~100 ft-lbs
- Is calibration mode needed to ensure accuracy?
- Is angle measurements needed ?
ACDelco Digital Torque Wrench Family
Most Complete Line For The Pros
ACDelco Tools starves to create high quality tools for professionals from all industries who demands the highest quality and precision.
When it comes to precise & professional fastening, ACDelco offers the most complete line of digital torque wrench products. All our digital torque wrenches are made with sturdy materials and calibrated in production process to ensure best quality products will be on your hand
- Various drive size selection: 1/4", 3/8", 1/2", 3/4" & 1"
- Wide range of torque range fits every applications: as low as 1.1 ft-lbs, or as high as 738 ft-lbs
- Professional grade features: On top of Peak/Track Modes, various models equiped with Calibration Mode , angle measuring capability & changeable drive head (on selected models)
- High Accuracy: up to ±1.5%, * Accuracy rating applies from 20% to 100% of max. torque
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ARM313-2A
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ARM325-2I
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ARM331-2I
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Customer Reviews |
4.2 out of 5 stars 82
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3.6 out of 5 stars 4
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4.1 out of 5 stars 9
|
Price | $170.99$170.99 | $200.35$200.35 | $216.57$216.57 |
Drive Size | 1/4" | 1/4" | 1/4" |
Peak / Track Modes | |||
Calibration Modes | |||
Angle Measurements | no data | no data | |
Interchangeable Head | no data | ||
Accuracy * | ±1.5% CW, ±2.5% CCW * | ±2% CW, ±3% CCW * | ±2% CW, ±3% CCW * |
Torque Range | 1.1 to 22.1 ft-lbs | 2.2 to 22.1 ft-lbs | 1.8 to 18..5 ft-lbs |
Length | 16-1/8" | 15-7/8" | 10-1/16" |
Memory | 30 sets data | 30 sets data | 30 sets data |
Alert Types | Buzzer / LED / Vibration | Buzzer / LED / Vibration | Buzzer / LED / Vibration |
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ARM315-3A
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ARM327-3I
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ARM601-3
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Customer Reviews |
4.3 out of 5 stars 265
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4.3 out of 5 stars 265
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4.4 out of 5 stars 1,776
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Price | $189.99$189.99 | $129.99$129.99 | $88.99$88.99 |
Drive Size | 3/8" | 3/8" | 3/8" |
Peak / Track Modes | |||
Calibration Modes | no data | ||
Angle Measurements | no data | no data | |
Interchangeable Head | no data | no data | |
Accuracy * | ±1.5% CW, ±2.5% CCW * | ±2% CW, ±3% CCW * | ±2% CW, ±3% CCW * |
Torque Range | 5 to 99.5 ft-lbs | 10 to 99.5 ft-lbs | 2 to 37 ft-lbs |
Length | 17-1/16" | 16-3/4" | 12-3/8" |
Memory | 30 sets data | 30 sets data | no data |
Alert Types | Buzzer / LED / Vibration | Buzzer / LED / Vibration | Buzzer / LED |
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ARM303-4A-340
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ARM317-4A
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ARM329-4I
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ARM601-4
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Customer Reviews |
4.4 out of 5 stars 242
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4.4 out of 5 stars 91
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4.0 out of 5 stars 1
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4.3 out of 5 stars 1,356
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Price | $241.99$241.99 | $152.85$152.85 | $299.99$299.99 | $76.49$76.49 |
Drive Size | 1/2" | 1/2" | 1/2" | 1/2" |
Peak / Track Modes | ||||
Calibration Modes | no data | |||
Angle Measurements | no data | no data | ||
Interchangeable Head | no data | no data | no data | |
Accuracy * | ±1.5% CW, ±2.5% CCW * | ±1.5% CW, ±2.5% CCW * | ±2% CW, ±3% CCW * | ±2% CW, +- 3% CCW* |
Torque Range | 12.5 to 250.7 ft-lbs | 5 to 99.5 ft-lbs | 14.8 to 147.5 ft-lbs | 4 to 99 ft-lbs |
Length | 26-1/4" | 17-7/8" | 22" | 17-5/16" |
Memory | 30 sets data | 30 sets data | 30 sets data | no data |
Alert Types | Buzzer / LED / Vibration | Buzzer / LED / Vibration | Buzzer / LED / Vibration | Buzzer / LED |
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ARM319-6A
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ARM321-6A
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ARM323-8A
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Customer Reviews |
— |
5.0 out of 5 stars 3
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5.0 out of 5 stars 2
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Price | $851.20$851.20 | $1,143.47$1,143.47 | — no data |
Drive Size | 3/4" | 3/4" | 1" |
Peak / Track Modes | |||
Calibration Modes | |||
Angle Measurements | |||
Accuracy * | ±1.5% CW, ±2.5% CCW * | ±1.5% CW, ±2.5% CCW * | ±1.5% CW, ±2.5% CCW * |
Torque Range | 44.3 to 442.8 ft-lbs | 73.8 to 738 ft-lbs | 73.8 to 738 ft-lbs |
Length | 37" | 48-5/8" | 48-13/16" |
Memory | 30 sets data | 30 sets data | 30 sets data |
Alert Types | Buzzer / LED / Vibration | Buzzer / LED / Vibration | Buzzer / LED / Vibration |
Product Description
The ACDelco Brand has been around well over 100 years and its name has become synonymous with quality andamp; reliability. ACDelco power tools are built for people who make a living with their tools, day in and day out, and require exceptional sturdiness and reliability. ACDelco offers the most complete line of digital torque wrenches and adapters for professionals who require high precision measurement on torque [ft-lbs./Nm/Kg-cm/in-lbs.] and angle degree for their job. Please use selection guides to choose the right digital torque wrench with right torque range for your application. andnbsp; FEATURES Static torque measurement Standard functions: torque setting, measurement setting, mode setting Operation in both clockwise and counterclockwise directions 30 data sets of memory capacity with LED flashing, vibration, and buzzer notification when under torque or over torque. LCD display shows [Kg-cm, N-m, in-lbs., ft-lbs.] measurements Torque Measurement Range]: 5.0 to 99.5 ft-lbs., Pre-set Accuracy CW +/- 1.5%, CCW +/- 2.5%. Digital torque: reversible, precision geared 72-tooth ratchet head measures torque in clockwise andamp; counter-clockwise directions with anti-slip industrial grade grip design. Audible andamp; visual alert system includes buzzer, vibration, and LED light flashing. andnbsp; Specifications - Model Number: ARM317-4A - Head Size: 1/2" - Torque Range: [5.0 to 99.5 ft-lbs.] - Tool Weight: 5.5 lbs. [2.49 kg] - Battery: 2 AA batteries [Not included]
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