DORMER · Hss Drill Bits

Dormer A022 HSS TiN Coated Stub Drill Bit 4mm Pack of 10

The Dormer A022 HSS Tin Tip Coated Straight Shank Stub Drill Bit is a high-performance drill engineered for efficient and accurate drilling in demanding applications. Designed with a stub length and straight shank, this drill bit provides exceptional rigidity, making it ideal for high-precision tasks and minimizing deflection during use. Crafted from high-speed steel (HSS) with a titanium nitride (TiN) tip coating, the drill bit ensures enhanced durability and heat resistance, delivering extended tool life even under intense conditions. Its 135° split-point design facilitates easy self-centering and reduces the need for pre-drilling, ensuring efficient performance in steel, cast iron, and other tough materials. Compliant with DIN/ANSI standards, the A022 series is optimized for 2.5xD drilling without the need for pecking. Features and Benefits • Bright and TiN (Tip Coating) • High Speed Steel Tool Material • DIN/ANSI Standards • 2.5×D Usable Tool Depth to Diameter Ratio • Drill Point 135° • Cylindrical Shank / Straight Shank • Standard Spiral Flute Design • Right Hand Rotation / Cutting • h8 – Industry Standard Tool Tolerance Zone (based on diameter range)

90-day range £∞–-£∞ · average £NaN