M11×2.0 4-Flute Thread Tap Extra Long Thread Tapping Tool,High Precision M2 Steel with TIN Coating,Thread Clean Tap for Engine Bolts,O2 Sensor & Spark

M11×2.0 4-Flute Thread Tap Extra Long Thread Tapping Tool,High Precision M2 Steel with TIN Coating,Thread Clean Tap for Engine Bolts,O2 Sensor & Spark

Premium M2 Steel with TIN Coating – Made from high-strength M2 steel with durable TIN surface, providing superior wear resistance, smooth cutting, and long-lasting performance. Dual Flute Design – 4-flute M11×2.0 for large bolts and 3-flute M8×1.25 for smaller threads like spark plugs and O2 sensors; optimized for fast chip removal and precise thread restoration. Versatile Thread Chaser Set – Perfect for cleaning, repairing, or restoring engine head bolts, O2 sensor threads, spark plug threads, and other threaded holes. High Performance & Durable – Heat-treated M2 steel ensures hardness, toughness, and corrosion resistance; works on steel, aluminum, stainless steel, and other metals. Essential Engine Maintenance Tool – Compatible with LS engines, GM engines, and other motors; ideal for mechanics, DIYers, and performance rebuilds. Upgrade your engine maintenance toolkit with this dual-thread chaser set, including M11×2.0 4-flute and M8×1.25 3-flute taps, crafted from high-quality M2 steel with a TIN coating. The four-flute M11 tap provides smooth cutting for larger bolts, while the three-flute M8 tap is ideal for smaller threads like spark plugs and O2 sensors. This set efficiently cleans and restores engine threads, prevents cross-threading, and ensures proper fit for head bolts, sensors, and plugs. A must-have for LS engines, GM engines, and all M11/M8 threaded applications, perfect for mechanics, performance rebuilds, and DIY enthusiasts.