Size 1mm – 13mm | Premium HSS Long Series Drill Bits | Type N | Black

HSS Long Series Drill Bits, designed for deep-hole drilling with improved reach and stability. Manufactured to Type N standards, these long-length bits offer reliable performance for general metalworking, workshop use and engineering applications. Made from high-quality High Speed Steel (HSS), they provide clean cutting, good wear resistance and consistent results in materials up to HRC < 23. Available in a full range of sizes from Ø1 mm to Ø13 mm, with convenient 1pc. // Key Features // Long Series Design – Ideal for deeper holes and difficult-to-reach areas. High Speed Steel Construction – Strong, durable and suitable for general metalworking. Stable Cutting Performance – Smooth chip removal and reduced breakage when used with proper feed control. Versatile Application – Suitable for alloy steel, grey cast iron, ductile iron, die-cast metals, sintered metals and graphite. Precision Ground Flutes – Provide cleaner holes and better drilling accuracy. // Applications // Deep-hole drilling in mild steel and alloy steels (≤ HRC 23) Metal frame fabrication Bracket and mounting plate installation Machinery maintenance and repair Automotive & motorcycle work Workshop drilling using hand drills or drill presses Specifics Material: HSS – High Speed Steel Standard: Type N Length: Long Series Finish: Black Oxide Size Range: Ø1mm – Ø13mm