General description This Dormer E500 HSS Coarse Tap is a high-quality hand tap designed for cutting internal threads in various materials. It is suitable for manual use and can also be utilized with machines if needed. The tap is ideal for creating precise metric threads, specifically ISO M4 with a pitch of 0.70 mm. Its straight flute design makes it versatile for tapping through or blind holes, ensuring durability and efficient cutting. Technical specifications Size: 4.0 mm diameter Pitch: 0.70 mm Material: High-Speed Steel (HSS) Surface treatment: Bright finish Tolerance class: 6H Flute geometry: Straight flutes Standards: ISO 529 Chamfer types: 1, 2, and 3 (with serial no 4 and 5) Compatibility and accessories Compatible with standard ISO M4 threaded holes Designed for use in various materials including construction steel and carbon steel Set includes taper, intermediate, and bottoming taps for complete threading Installation Use the appropriate tap for the hole type (through or