14mm Back Tap Thread Repair Tool Auto Spark Plug Repair Tool Threading 640811

This 14mm Back Tap Thread Repair Tool is designed for repairing automotive spark plug threads and references part number(s) 640811.

Product Overview

The 14mm Back Tap Thread Repair Tool is an innovative automotive specialty tool engineered to repair damaged spark plug threads directly through the spark plug hole. Featuring a patented collapsible design, this tool can be inserted through the hole into the combustion chamber and expanded to engage the clean threads from the inside out. This method effectively draws debris and metal filings up and out of the cylinder head, preventing contamination and ensuring a clean thread restoration without the need for cylinder head removal.

Key Features & Performance

• Collapsible design allows insertion into the combustion chamber before expansion
• Repairs damaged threads from the inside out to ensure precise alignment
• Draws debris and metal shavings away from the engine cylinder
• Eliminates the need to remove cylinder heads for thread repair
• Constructed from heat-treated 4118 steel for long-lasting durability

Common Uses

• Restoring stripped or fouled 14mm spark plug threads in automotive engines
• Preventing debris from entering cylinders during thread chasing
• Performing quick and cost-effective engine thread maintenance

Technical Specifications

• Product Type: Thread Repair Tool
• Part Number(s): 640811
• Thread Size: 14mm
• Material: Heat-treated 4118 steel

Frequently Asked Questions

Q: Does this tool require removing the cylinder head? A: No, the unique collapsible design allows you to repair the threads from the inside out without removing the cylinder head.

Q: What thread size is this tool compatible with? A: This specific tool is engineered for 14mm spark plug thread applications.