Twist Drill Bits Titanium Coated : Classic 4241 High Speed Steel construction with Titanium Coating for proven capability and durability.
Strength & Hardness: Made with HSS 4241 steel, Rock wall Hardness Level HRC 60-62.
【20PCS】:Diameter 3/16 inch, Total Length 3-1/2 inch, Working Length 2-5/16inch.
Professional & DIY Use: Ideal for drilling on mild steel, copper, Aluminum, Zinc alloy , wood & plastics, Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.
135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
