Steam Tempered (Steam Oxide) Surface Treatment
R18AN8
R18A Jobber Drill
Ordering number: 5999039
Jobber length drill with straight shank, diameter 0.1990" (N8) with an overall length of 3.5/8" and flute length of 2.7/16" according to NAS907 Type A standard with 118° general purpose split point, HSS with steam tempered finish for 4xD drilling without pecking in steel and cast iron
Product Feature
High Speed Steel Tool Material
NAS907 – Aerospace Drill Standards
4×D Usable Tool Depth to Diameter Ratio
Drill Point 118°
Cylindrical Shank / Straight Shank
Right Hand Rotation / Cutting