3/8 Aircraft Extension Drill Bit 12" Length Cobalt 3 pack n5d Part # MS16562-180

Part # MS16562-180

Part # MS35190-237

Part # BH038C150N

#31 Aircraft Extension Drill Bit 6" Length Black Oxide - Pack of 6

Part #137S14T300SS-100

3/8 Aircraft Extension Drill Bit 12" Length Cobalt 3 pack n5d Part # MS16562-180Need a large quantity? Request bulk pricing here. 3 8 Aircraft Extension Drill Bit 12" Length Cobalt Pack of 3 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. Part # 1200C124