97640 Type 190-AN HSS 135Â degree Split Point NAS 907B Titanium Nitride Jobber Length Drill Bit (3 pack) 3.5" ID self-centering design without mounting flange

self-centering design without mounting flange for use in through-bored components

Standard equipped with a plastic bowl and bowl guard

Click here for spec sheet: HUCNPP Spec Sheet

the CUCSFB has a Hard Chrome bearing insert and a Stainless Steel housing

97640 Type 190-AN HSS 135Â degree Split Point NAS 907B Titanium Nitride Jobber Length Drill Bit (3 pack) 3.5" ID self-centering design without mounting flangeHeavy duty construction for drilling in tougher materials Manufactured from premium high speed steel 135 split point is self centering for reduce thrust and easier penetration Manufactured to NAS 907 B aerospace specification Proudly Manufactured in the U. S. A Click Here for product catalog