TungTap – Shaft – PB070
IMPROVED TOOL LIFE
The conventional grade reached the end of its tool life after 130 holes due to wear and shrinkage of the internal thread. PB070, a wear-resistant grade, prevented thread shrinkage and achieved 2.7 times longer tool life.
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| Industry | Construction |
|---|---|
| Component | Shaft |
| Material ISO code |
 P - Steel |
| Work material | SCM440 |
| Machine(spindle type) | Horizontal Machining Center |
| Tool family | Holemaking |
| Tool category | Tapping |
| Product name | TungTap |
| TSR No. | 5654D |
Tool
| Tungaloy | Competitor | |
|---|---|---|
| Body | TS-M12X1.75-DNCM PB070 | HSS tap |
| Grade | PB070 | HSSE + TiCN |
Tool life
| Tungaloy | Competitor | |
|---|---|---|
| Tool life (m/insert) | 238 | |
| Machining length (m) | 10.5 | 3.9 |
Cutting conditions
| Tungaloy | Competitor | |
|---|---|---|
| Tool diameter DC (mm) | 12 | 12 |
| Hole tolerance grade | 6H | 6H |
| Pilot hole diameter (mm) | 10.2 | 10.2 |
| Hole depth H (mm) | 30 | 30 |
| Cutting speed V/c (m/min) | 5 | 5 |
| Feed f (mm/rev) | 1.75 | 1.75 |
| Feed speed Vf (mm/min) | 232 | 238 |
| Coolant | Emulsion, External | Emulsion, External |