230PC Titanium Coated HSS Drill Bits Set in metal box

Article NO. B0030111

Contains:

1 through 8.5mm by 0.5mm each 10pcs & 3.2mm, 4.2mm each 10pcs

10mm 5pcs & 9 through 13mm by 0.5mm each 5pcs

Feature:

This kind of drill bit is made of high speed steel (HSS), straight shank, jobber length, right hand cutting, point angle 118°,

golden finish polished flute for drilling with better concentricity and smooth chip removal.

Titanium nitride (TiN) coating improves lifetime.

Application:

For drilling in ordinary metals like steel, cast iron, etc. Also can be used for drilling holes in wood and plastics.