... technologies for a reliable hold Thread repair with Ensat® and Gripp® Ensat® is ideally suited for the fast repair of torn and damaged threads. The same screw size can be used again. This gives threads a markedly higher load capacity. Gripp® is used for the repair of torn spark plug retaining threads in light alloy cylinder heads. Gripp is installed in the same way as Ensat, but screwed in deeper until the upper rim comes to rest around 1.8 mm under the surface of the cylinder head. The sealing ring of the spark plug is then able to work effectively. Mini-packs for minor repair requirements are available from tool retailers or from the manufacturer. The basic Ensat® kit The basic kit contains 315 self-tapping threaded inserts Ensat-S 302 made of case-hardened, zinc-plated, yellow chromated steel with internal thread from M2,5 to M16. The Ensat® installation kit. The installation kit contains 270 selftapping threaded inserts Ensat-S 302 made of case-hardened, zinc-plated, yellow chromated steel with internal thread from M4 to M8 and the tools required for manual installation (for a more detailed description see page 22). The Gripp® kit The Gripp kit was put together specifically for the repair of torn and damaged spark plug retaining threads and comes complete with tools for manual installation in two thread sizes: • Standard: M14 long and short • Universal: additionally M18 19

Gripp® Spark plug threaded insert Works Standard 304 self-tapping Application The Ensat-Gripp threaded insert with cutting bores is a self-tapping fastener for the repair of torn and damaged spark plug retaining threads in cylinder heads. The Ensat-Gripp is designed to enhance the pull-out strength of the thread. Dimensions in mm Article no. Internal thread External special thread Hole size-diameter 1) Length A 1) Guideline P DIN E P B L M 14 M 14 M 18 304 000 140.160 304 000 141.160 304 000 180.160 1,25 1,25 1,5 72502 72502 72501 17,7 17,7 21,7 1,25 1,25 1,25 9 15 9 17,0 17,0 21,0 values for...