Features:
- 1/16"-1/2" by 64ths - 29pc
- Super Premium, Orange Ultra Dex
- 3-Flats on Shank, 135-Degree Split Point
- Body and clearance are gold surface treated for maximun lubricity
- Manufactured to NAS 907B aerospace specification
- Recommended in use for work hardening grades of stainless steel & other hard metal drilling applications