Dormer: Drill jobber letter HSS, U (9.35mm)

Description

81 mm flute length x 125 mm OAL

Standard
helix, right hand spiral flute geometry. 118 degrees point angle.
Bright surface treatment for below 1mm, 3/64″ and no. 60. Blue surface
treatment for 1mm, 3/64″, no. 60 and above. General purpose engineering
drills.