Precision Machined Spark Plug Taps for Auto Repair
High-carbon steel construction with heat-treated durability ensures extended tool life and resistance to wear. Mirror-polished flutes minimize chip clogging for smooth, uninterrupted threading. Pilot-guided design guarantees perfect alignment, preventing cross-threading in spark plug holes. Ideal for repairing stripped threads in aluminum or cast iron cylinder heads. 14mm x 1.25 fine metric thread matches most import and domestic spark plug specifications. Knurled grip provides superior control even with oily hands. Electroplated anti-rust finish withstands garage humidity and automotive fluids. Includes tapered starting threads for effortless initial engagement. Trusted by professional mechanics for high-speed drilling applications. Bulk packaging available for commercial repair shops seeking cost-efficient inventory.