640811 14mm Back Tap Thread Repair Tool Auto Threading Silver

Product Overview

This 14mm back tap thread repair tool is an aftermarket replacement part intended for repairing damaged or worn internal threads in automotive and general mechanical repair applications. It references part number 640811. A back tap is used to clean and restore threads from the back side of a hole where standard taps may not reach.

Key Features & Performance

• Restores damaged internal threads by cutting from the rear of the threaded hole
• 14mm sizing suited to matching metric thread repair work
• References part number 640811 for comparison with the original specification
• Useful where access from the front of the hole is limited

Fitment & Compatibility

• for 14mm metric thread applications

Common Uses

• Repairing stripped, cross-threaded, or damaged internal threads
• Automotive and general mechanical maintenance work where thread restoration is needed
• Servicing threaded holes that are difficult to reach from the standard entry side

Technical Specifications

• Product Type: Back Tap Thread Repair Tool
• Part Number: 640811
• Thread Size: 14mm
• General Application: Metric thread repair

Frequently Asked Questions

Q: What does a back tap do? A: A back tap cuts or cleans internal threads from the back side of a hole, which helps where the front of the hole is difficult to access with a standard tap.

Q: How should I verify fitment? A: Confirm that the required thread size matches 14mm and compare the existing part number with reference number 640811 before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.