AECO60701P - Cobalt Aircraft Extension Drills|Fractional Sizes
12“ Overall Length | Cobalt | Bronze | 135° Split PointOur Cobalt Aircraft Extension Drills are manufactured to NAS 907 Type J specifications, 135 degree split point, surface treated with jobber flute lengths for drilling holes in hard to reach places. Heavy duty construction for portable or machine drilling in high tensile strength alloy steels, stainless steels, titanium, and other difficult to machine materials.
PACKAGING: 1/16" thru 19/64" - 6 per pack
5/16" thru 1/2" - 3 per pack
cobalt aircraft extension drills, fractional sizes