OSG 402-1250-BN — RobbJack equivalent
The closest RobbJack standard to the OSG 402-1250-BN (0.125″ diameter, 2 flutes, Ball End, 0.5″ length of cut, Uncoated) is the B-203-04 — 2 Flute Tuffy Ball End Standard Length Tuffy Grade Carbide End Mill. Match: exact diameter, 2 flutes, ball end, uncoated (100% on RobbJack's cross-reference engine). US list price $39.15, 10+ in stock (lead time confirmed at order).
| Spec | OSG 402-1250-BN | RobbJack B-203-04 |
|---|---|---|
| Type | End Mill | End Mill |
| Cutting diameter | 0.125″ (3.17 mm) | 0.125″ (3.17 mm) |
| Flutes | 2 | 2 |
| End | Ball End | Ball End |
| Corner radius | — | 0.0625″ |
| Length of cut | 0.5″ | 0.5″ |
| Shank | 0.125″ | 0.125″ |
| Coating | Uncoated | Uncoated, Titanium Nitride (TiN), Titanium Carbo-Nitride (TiCN), Aluminum Titanium Nitride (AlTiN), Diamond-Like Carbon (DLC) |
Order or prove it
- B-203-04 — price, stock, CAD →
- Speeds & feeds for B-203-04 →
- Try one at retail, guaranteed →
- Production quantities: your distributor →
Also close
- PCD-201-04-BN — 95% · exact diameter, 2 flutes
- SB-201-04 — 95% · exact diameter, 2 flutes
OSG and the part number 402-1250-BN are the property of their owner and are used only to identify a compatible RobbJack tool; RobbJack is not affiliated with OSG. Specs shown for the OSG tool are as published by its maker; cross-reference results are suggestions — verify suitability for your application.