Extended Catalogue Item
Available to order — typical 14‑day delivery. Enquiries welcome.
DIN General Purpose HSS-E Extended Spiral Flute Tap - M18-L200 to M48-L360
DIN General Purpose HSS-E Extended Spiral Flute Tap - M18-L200 to M48-L360
DIN General Purpose HSS-E Extended Spiral Flute Tap
High-speed steel extra (HSS-E) extended length spiral flute taps manufactured to DIN standards for deep hole threading applications. TiCN-coated for extended tool life. 45° helix angle spiral flute geometry evacuates chips upward during threading operations. Extended working lengths for deep blind hole applications.
Specifications:
- Material: HSS-E (High-Speed Steel Extra)
- Standard: DIN (German Institute for Standardization)
- Type: Extended Spiral Flute Tap
- Coating: TiCN (Titanium Carbonitride)
- Thread Standard: Metric M
- Point Angle: 60°
- Shank Type: 6H (Hexagonal)
- Helix Angle: 45°
- Chamfer: max 3xd
Available Sizes:
M18-L200, M20-L200, M22-L200, M24-L200, M27-L250, M30-L250, M33-L250, M36-L310, M39-L320, M42-L340, M45-L360, M48-L360
Size Chart:
| Specification | Pitch | O.A. Length (L) | Thread Length (l₁) | Working Length (l₂) | Shank ø (d₁) | Square Size (k×lk) | Drill ø |
|---|---|---|---|---|---|---|---|
| M18-L200 | 2.5 | 200 | 25 | 120 | 14 | 11×14 | 15.5 |
| M20-L200 | 2.5 | 200 | 25 | 120 | 16 | 12×15 | 17.5 |
| M22-L200 | 2.5 | 200 | 30 | 120 | 18 | 14.5×17 | 19.5 |
| M24-L200 | 3 | 200 | 36 | 120 | 18 | 14.5×17 | 21 |
| M27-L250 | 3 | 250 | 36 | 170 | 20 | 16×19 | 24 |
| M30-L250 | 3.5 | 250 | 42 | 170 | 22 | 18×21 | 26.5 |
| M33-L250 | 3.5 | 250 | 42 | 170 | 25 | 20×23 | 29.5 |
| M36-L310 | 4 | 310 | 48 | 210 | 28 | 22×25 | 32 |
| M39-L320 | 4 | 320 | 48 | 220 | 32 | 24×27 | 35 |
| M42-L340 | 4.5 | 340 | 54 | 240 | 32 | 24×27 | 37.5 |
| M45-L360 | 4.5 | 360 | 54 | 260 | 36 | 29×32 | 40.5 |
| M48-L360 | 5 | 360 | 60 | 260 | 36 | 29×32 | 43 |
Technical Notes:
- Extended overall lengths (200-360mm) for deep hole threading applications
- Extended working lengths (120-260mm) allow threading in deep blind holes
- 45° helix angle spiral flute design evacuates chips upward, essential for deep blind hole applications
- HSS-E construction provides heat resistance and durability
- TiCN coating reduces friction and extends tool life
- 6H hexagonal shank for secure tool holding
- Conforms to DIN dimensional standards
- Max 3xd chamfer for general purpose applications
Applications:
Specifically designed for threading deep blind holes where standard length taps cannot reach. Suitable for threading operations in steel, stainless steel, cast iron, and non-ferrous metals. The extended working length and spiral flute design ensure reliable chip evacuation even in deep hole applications. Ideal for heavy machinery, mold making, and applications requiring threads deep within the workpiece.
For Technical Information & Trouble Shooting click here
