Steam Tempered (Steam Oxide) Surface Treatment
R40C29/64
R40C Stub Drill
Ordering number: 5999439
Stub length drill with straight shank, diameter 0.4531" (29/64) with an overall length of 3.9/16" and flute length of 2.1/8" according to NAS907 Type C standard with 135° heavy duty split point, HSS with steam tempered finish for 2.5xD drilling without pecking in steel and cast iron
Product Feature
High Speed Steel Tool Material
NAS907 – Aerospace Drill Standards
2.5×D Usable Tool Depth to Diameter Ratio
Drill Point 135°
Cylindrical Shank / Straight Shank
Right Hand Rotation / Cutting