
(continued)
HSS-E-PM: HSS-E: High-Speed High-Speed Steel
| Tapping: | Threading: | Threading: | Steel with Cobalt Alloy | with Cobalt Alloy for |
| Blind Hole | Through Hole | Blind Hole | for Materials with | Materials with Higher |
Higher Hardness Hardness (PM = Power Metal Steel)
| Chamfer Form C | Chamfer Form D | Chamfer Form E | ||
| HM: (Carbide) | Square Shank | |||
| (2–3) | (3.5–5) | (1.5–2) |
| 3–5 | Tapping Helix: | Tapping Helix: | Tapping Helix: | Tapping Helix: | |
| Plug Chamfer (3–5) | |||||
| Angle: 0° | Angle: 10° | Angle: L8° | Angle: 15° |
| Tapping Helix: | Tapping Helix: | Tapping Helix: | Tapping Helix: | Tapping Helix: |
| Angle: L15° | Angle: 25° | Angle: 30° | Angle: 42° | Angle: 45° |
Tapping: Through
DIN Number 371 DIN Number 374 DIN Number 2174 DIN Number 376
Coolant
| Flood Coolant: | Through Coolant: | Manufacturer’s | ||
| ISO 2 | Class of Fit: 2B | |||
| Tapping | Axial: Tapping | Specs: JIS |
Class of Fit: 3B Class of Fit: 6H Class of Fit: 6HX Class of Fit: 6G ANSI
| Unified Course | Unified Fine Thread: | Unified Fine | Unified Course | ISO Metric |
| Thread: J Profile | J Profile | Thread | Thread | Coarse Thread |
ISO Metric Fine Thread
DIN — German Institute for Standardisation