Emkay Tools has developed application taps for Cast Iron Tapping, having a special geometry and thread tolerance which is suitable for tapping in cast iron and also in short chipping S.G. Iron. These taps have chamfer of 2 thread lengths and can be used for both through holes and blind holes.
Emkay Cast Iron taps are available in the following threads :
✅ Metric Coarse in ISO2 (6H Tolerance)
✅ Metric Coarse Special Tolerance (4H,5H,6G,7G, etc)
✅ Metric Fine in ISO2 (6H Tolerance)
✅ Metric Fine Special Tolerance (4H,5H,6G,7G, etc)
✅ Extra Long Metric Coarse & Metric Fine in Standard and Special Tolerances.
✅ UNC / UNF
✅ BSW / BSF