SUTTON - katalog | KL-TECH s.r.o. | www.klte.cz SUTTON_katalog | Page 443

Technical Information Tap Terminology overall length Tap Definitions length of shank length of square threaded length chamfer pitch lead length lead angle square size shank diameter minor diameter root pitch diameter major diameter crest front flank rear flank included angle of thread semi-angle of thread width of land shear angle cutting face web diameter Gun nose (spiral point) flute concentric land Section A-A Concentric threads (no radial relief) Cutting Faces radial relief radial relief Eccentric threads (relieved to cutting edge) Con-eccentric threads (relieved to a land) land tangential hook chordal hook angle heel negative rake angle Negative rake www.klte.cz Thread Relief Types positive rake angle Radial rake Positive rake Hook 463