NAS907B (National Aerospace Standard)
M7 high speed steel
Right hand cutting direction, standard spiral
135° split point, self-centring eliminates walking
Black oxide finish ; Application ; Portable or machine drilling in hard steels, stainless steel and other hard materials.
| Material | High Speed Steel |
| Drill Size | 5/16" |
| Decimal Drill Size | 0.31" |
| Overall Length | 6" |
| Flute Length | 3-3/16" |
There are currently no documents to display.
| Drill type | Fractional Sizes |
0 out of 5 stars
0 global ratings
There are no reviews for this product