Product description

The lead screw is a fundamental component in many automotive service machines, acting as the primary drive mechanism for moving parts under load. This Snap-On lead screw is precision-machined to provide smooth, consistent travel in applications such as tire changer clamping jaws or lift height adjustments. Given the high amount of friction and torque these components experience, this screw is manufactured from high-grade steel to resist wear and stripping over years of service. A worn or damaged lead screw can cause jerky movement, inaccurate positioning, and eventually, a total failure of the equipment. Replacing your worn lead screw with this original-specification part restores the precision and reliability of your Snap-On machine, ensuring safe and efficient operation for your technicians. It is a critical investment in the continued productivity of your shop’s busiest equipment.

Product highlights

• Precision-machined lead screw for smooth mechanical operation.
• High-grade steel construction designed to resist wear and friction.
• Critical drive component for Snap-On tire changers and lifts.
• Restores factory-level precision to moving equipment parts.
• Engineered for durability in high-torque, high-cycle applications.

Specs

• Manufacturer: Snap-On
• Manufacturer Part Number: ST7707449
• Component Type: Lead Screw
• Application: Drive Mechanism / Adjustment

Direct replacement models

Designed as a direct replacement for Snap-On part number st7707449 and compatible with various Snap-On automotive service equipment.

You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.