- 3D Printing
- Abrasives
- Adhesives, Tapes & Fasteners
- Bearings And Transmission
- Electrical
- Fluid Power
- Hand Tools
- Holemaking Drill Bit Sets & Drilling Tools
- Janitorial & Site Maintenance
- Lubrication
- Machinery & Welding
- Measuring & Inspection
- Metalworking Fluids
- Milling
- Packaging Office Supplies
- Personal Protective Equipment
- Power Tools
- Raw Materials
- Saw Blades
- Site Safety
- Storage
- Threading
- Toolholding & Workholding
- Turning Tools
- Workwear
- MSC Edge
Toggle Nav Shop All 
Over 120,000 products
Get next working day!*
Virtual Catalogue
Dormer M20 x 2.5 HSS-E-PM Spiral Flute Machine Tap - E239
Order Code
TDG-20014J
£89.46 £74.55
Incl. VAT Ex. VAT
Dormer M20 x 2.5 HSS-E-PM Spiral Flute Machine Tap - E239 is only available to buy in quantities of 1
Product Information
Spiral flute machine tap with chamfer form C with a 2 - 3 x P semi - bottoming lead, for ISO - Metric thread M20 with 2.50mm pitch and 6H class of fit, dimensions according to DIN 376 standard with 16mm shank and 12mm square drive, powder metallurgical HSS - E with Super - B coating and 40° helix angle for 2.5 x D blind hole threading in ferritic, martensitic and austenitic stainless steel.
Technical Specification
| Brand | Dormer |
|---|---|
| Manufacturer Part Number | E239M20 |
| Features & Benefits | • E239 series • Metric coarse thread • Meets DIN 376 standards • DIN thread pitch diameter tolerance zone (high basic pitch diameter) • Blind hole application • 2.5 x D usable tool depth to diameter ratio • Semi-bottoming tap chamfer (2 - 3 pitch lead) • Spiral flute geometry • 40° helix angle (flute) • Right hand rotation/cutting • Designed specifically for tapping stainless steel |
| Size (mm) | M20 x 2.5 |
| Thread Size (Metric) | M20 |
| Thread Size x Pitch | M20 x 2.5 |
| Overall Length (in) | 5.5118 |
| Overall Length (mm) | 140 |
| Flute Type | Spiral Flute |
| Type | Machine Tap |
| Square Size (mm) | 12 |
| Thread Size | M20 |
| Teeth per Inch | 2.5 |
| Number of Flutes | 4 |
| Material | HSS-E-PM |
| Coating/Finish | SUPER-B |
| Size x Pitch (Metric) | M20 x 2.5 |
| Thread Length (mm) | 25 |
Why we are loved
Rated ‘World-class’ for customer service