Drillco® Aircraft Extension Drill Bit, #30, High Speed Cobalt, 1-5/8" Flute, 135° Point Dust Collector Fittings High-leverage blades open independently up

High-leverage blades open independently up to 270 degrees

Extra-thick aircraft-grade aluminum maximizes durability and maintains accurate square

engineered ceramic grain and shape

Size Standard

Cool and burn-free cutting is ideal for heat-sensitive applications with light to moderate feed rates

Drillco® Aircraft Extension Drill Bit, #30, High Speed Cobalt, 1-5/8" Flute, 135° Point Dust Collector Fittings High-leverage blades open independently upManufactured 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 Specifications Material High Speed Cobalt Drill Size #30 Decimal Drill Size 0. 1285" Overall Length 12" Flute Length 1 5 8" Point