Description
The Lock Technology 550 ft/lbs 1″ Drive Wheel Truck Extension (1600Y) is a specialized tool engineered to deliver consistent and accurate torque for heavy-duty truck wheel lug nuts. Designed for use with a 1″ drive impact gun, it functions as a torque limiter to prevent over-tightening, which can cause damage to studs, rims, and wheel components. By flexing once the preset torque is reached, it signals the operator to stop and automatically limits force, ensuring both safety and precision. This makes it an essential tool for commercial vehicle maintenance and professional workshops.
KEY FEATURES AND BENEFITS:
- Provides reliable torque control, preventing over-tightening of lug nuts.
- Helps avoid damage such as stripped threads, cracked rims, and broken studs.
- Compatible with 1″ drive high-power commercial impact guns.
- Color-coded in yellow for quick and easy identification.
- Improves workflow efficiency by eliminating guesswork in torque application.
SPECIFICATIONS:
- Drive Size: 1 inch
- Torque Rating: 550 ft-lbs
- Color: Yellow
- Part Number: 1600Y
HOW TO USE:
- Select the correct socket: Choose the appropriate 1″ drive socket size for the truck lug nut.
- Attach the extension: Insert the Lock Technology 1600Y extension into the output anvil of the 1″ drive impact gun.
- Install the socket: Place the selected lug nut socket onto the extension’s output square drive.
- Engage the lug nut: Align the socket securely with the lug nut before operating the impact gun.
- Tighten the lug nut: Run the impact gun until the extension flexes, indicating that the 550 ft-lbs torque has been reached. Stop immediately when flexing occurs.
BENEFITS OF USING LOCK TECHNOLOGY 550 FT/LBS 1″ DRIVE WHEEL TRUCK EXTENSION (1600Y):
- Prevents over-tightening: Stops torque at the preset value, protecting wheels and studs.
- Increases safety: Ensures lug nuts remain secure during vehicle operation.
- Reduces component wear: Minimizes stress on threads and wheel studs.
- Enhances efficiency: Eliminates the need for separate torque wrenches in many applications.
- Ensures consistency: Provides repeatable torque accuracy regardless of the operator.
FEATURES:
- Pre-set to limit torque at 550 ft-lbs for accuracy.
- Made from durable, high-quality steel for heavy-duty use.
- Designed for use with 1″ drive impact wrenches and sockets.
- Flexible shaft provides a clear signal when the torque limit is reached.
- Yellow finish for easy torque rating identification.






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