Ruby Midget File Assortment
Model ID:RS#420
Ruby stones are extremely fast cutting and perform well on all tool steels. They provide sharp cutting action for fast stock removal. The ruby stone’s consistent breakdown allows the stone to be used dry without loading.
RS#420 Ruby Midget File Assortment
Midget stone set comprises of 11 stones (see below) - plus one double-ended holder with two collets.
Specification
Model No. | Description | Grit | Dimension (mm) | |
400 | A |  Square | F | 50 x 1 |
401 | B |  Round | F | 50 x 1 |
402 | C |  Triangle | F | 50 x 2 |
403 | E | Square | F | 100 x 2 |
404 | F | Round | F | 100 x 2 |
405 | G | Round | F | 100 x 3 |
406 | D |  Flat | F | 50 x 3 x 0.3 |
407 | H |  Half-Round | F | 100 x 4 |
409 | I | Triangle | F | 100 x 5 x 1.5 |
411 | J |  橢Round | F | 100 x 4 x 1.5 |
413 | K | Triangle | F | 100 x 3 |
RS#420 | Hand grinding set with tool | |||
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