PRAD system PRAD SYSTEM S o l u t i o n t o o l PRoduct According to Demand PRAD system Version of special tapmanufacturing Case No.9 I need a M8 × 1 tap for tapping through holes in hardened materials! Tapping Condition Standard blank Workpiece Materials S55C tempered stee(l 30HRC) Machine MC Feed Synchronous feed Cutting Fluid Water soluble cutting fluid Bore Hole Size φ7.1 Bored Hole Length 15mm(through hole) Tapping Length 15mmTapping Speed12.5m/min Step 1 is grinding the flute. ◦ Original flute design A completed ◦ Add a coating left hand spiral fluted tap for through holes to tap medium-hard carbon steels! Case No.10 I need an oversize thread inspection tool for a M20 × 2.5 (GB) GO gage. Intended use Standard blank Workpiece Materials SCM440 Effective threadlength20mm(through hole) Classes ofInternal ThreadsClass II+30(μm) Since the internal threads can shrink during the hardening Reason for process, we produce oversize taps oversize for this application. This simple inspection tool is for checkingII+30 oversize internal thread.Step 1 is grinding the flute. ◦ Specifications for a simple thread inspection tool A completed simple inspection tool for a M20 × 2.5 (GB) GO gage! PRAD-6