The 261U 21/64-4 is a 21/64 HSS 2-flute double-end end mill, identified as 21/64 HS 2FLT D/E END MILL-USA-(GI-899-321).
This type of end mill is typically used for general milling operations, including producing slots, pockets, and other machined features where a 2-flute double-end end mill is appropriate.
- Model: 261U 21/64-4
- Product: 21/64 HS 2FLT D/E END MILL-USA-(GI-899-321)
- Size: 21/64
- Material designation: HSS
- Flute count: 2
- Configuration: Double end (D/E)
- USA designation
