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Features:
- Rekord DF-NI semi-bottoming taps with VHC - Variable Helix Correction
- A specially ground "F" relief geometry in the primary cutting zone, that generates a smaller and tightly rolled chip formation
- Bottoming hole applications
- HSSE-PM tool base material for longer tool life
Product Specifications
| Manufacturer Part Number | B438J411.5479 |
| Thread Size | #4-40 |
| Thread Diameter Size | #4 |
| Thread Standard | UNJC |
| Thread per Inch (TPI) | 40 TPI |
| Tap Square (mm) | 2.70mm |
| Thread Length (mm) | 11.00mm |
| Overall Length (mm) | 56.00mm |
| Tap Chamfer | 2-3 P |
| Tap Chamfer Form | C |
| Class of Fit | 3BX |
| Dimensional Standards | DIN / DIN |
| Shank Tolerance | h9 |
| Flute Direction | Right Hand |
| Group Length | DIN Length |
| Coolant Supply Property | External |
| Coolant Fed | No |
| Flute Helix Angle (Degree) | 10 Degree |
| Cutting Edge Material | HSSE-PM |
| Coating | TICN |
| Tool Type | EMUGE NI |
| Application | Spiral Flute Taps |
| Product Type | Spiral Flute Tap |
Warning:
This Product Can Expose You To Materials And/Or Chemicals Including Arsenic, Lead, And Other Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm. For more information, visit www.P65Warnings.ca.gov