Read more Small Size Titanium Coated Drill Bits Titanium Coated Drill Bits 15 PCS Jobber Drill Bit Set 29 PCS Mechanic Drill Bit Set 21PCS Cobalt Jobber Drill 21 PCS Jobber Drill Bit Set Material: Titanium-Coated HSS Titanium-Coated HSS Titanium-Coated HSS Black and Gold-Coated HSS Black and Gold-Coated HSS Black and Gold-Coated HSS 135 Degree Split Point Tip ✓ ✓ ✓ ✓ ✓ ✓ Application: Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics.