Ratchet Direction: Bi-directional ratchet mechanism (clockwise and counterclockwise)
2. Comparison with Ordinary Torque Wrenches
Item
Detail
Material Quality
Chrome Vanadium Steel with high gloss finish vs. ordinary steel with poor gloss
Ratchet Head
Integrated pear-shaped ratchet head, smooth and stable vs. rough appearance and unstable assembly
Spring
High-performance silicon-chromium alloy spring tested over 10,000 fatigue cycles vs. ordinary spring tested around 5,000 cycles
Handle
Fine gloss and tactile feel vs. uneven surface and poor appearance
Precision
±3% high accuracy vs. ±5% low accuracy
Standardized Installation Sizes
1/4" (6.3 mm), 3/8" (9.5 mm), 1/2" (12.7 mm) interfaces with no looseness or wobble
3. Ratchet Details
Teeth Count: 72 teeth for precise control; also available 45 and 24 teeth options
Durability: High hardness for heavy-duty applications, resistant to deformation
Operation: Left and right adjustment with single-hand operation and quick socket release button
4. Measurement and Markings
Item
Detail
Laser-etched scale for clear and precise torque readings
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Units
Newton-meters (N·m) with easy switching
Comfortable grip with anti-slip aluminum alloy handle design
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5. Surface Treatment
Triple-layer electroplating on wrench shaft for rust resistance
Phosphating treatment on ratchet square head to prevent corrosion
Salt spray tested for durability
6. Dimensions
Size
Unfolded dimensions
Length
1250 mm and 230 mm options available
7. Torque Reference Table
Strength Grades: 4.6, 5.6, 6.9, 8.8, 10.9, 12.9
Torque values (N·m) for nuts and bolts according to German Industrial Standard DIN267
Covers bolt sizes from M2 to M64 with corresponding torque values for controlled tightening
Professional Torque Wrench combines precision engineering, durable materials, and ergonomic design to deliver superior performance and reliability for professional and heavy-duty applications.
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