| 55% Thread Drill Size | 18.20 mm |
| 65% Thread Drill Size | 45/64 in |
| 75% Thread Drill Size | 17.50 |
| Coolant Fed | Coolant Through |
| Country of Origin (subject to change) | Japan |
| Cutting Direction - Machining, Thread Direction | Right Hand |
| Drill Bit Size | 17.05mm, 17.40mm, 17.56mm, 17.73mm, 17.89mm |
| Extended Neck | Yes |
| Features | Accelerates Chip Evacuation, High Wear Resistance, Long Tool Life, Stabilizes Chip Shape |
| Helix Angle | Variable |
| Item | Spiral Flute Tap |
| List Number, Material Grade - Machining, Series | 16540 |
| Measurement System, Tap Dimension Type | Metric |
| Number of Flutes | 0 |
| Number of Pieces | 1 |
| Overall Length | 140.00mm |
| Pitch Diameter Limit, Thread Limit, Thread Limit / Class of Fit | D7 |
| Primary Material Application | Hardened Steel, Stainless Steel, Steel |
| Primary Material Application ISO Code | H, M, P |
| Secondary Material Application | Aluminum, Cast Iron, Steel |
| Secondary Material Application ISO Code | K, N, P |
| Shank Dia. | 14.30mm |
| Shank Length | 78.20 mm |
| Shank Type - Machining | Straight |
| Square Size | 12.42mm |
| Standards, Tap Length Standard, Tap Shank Standard | DIN |
| Tap Chamfer | Modified Bottoming |
| Tap Finish | V |
| Tap Material | Powdered Metal |
| Tap Size | M20 |
| Tap Style | Spiral Flute |
| Tap Thread Size | M20-2.50 |
| Tap Thread Type, Thread Standard | Metric Coarse |
| Thread Length | 31.80mm |
| Thread Pitch | 2.50mm |
| Thread Size | M20x2.5 |