Heavy Duty HSS Drill Bit Set for Industrial Workshop Automotive and Fabrication Applications

This heavy duty HSS drill bit set is engineered for the demanding environments of industrial workshops, automotive repair facilities and metal fabrication shops. Every bit is manufactured from M2 high speed steel with a hardened structure of HRC 64-66, providing the strength and edge retention needed for continuous drilling in tough materials. The set covers metric sizes from 1.0 mm to 13.0 mm, offering a complete range for structural work, equipment maintenance and production tasks.

The 135-degree split point geometry ensures immediate centering on metal surfaces, while the heavy duty flute design provides the rigidity and chip clearance required for aggressive feeds. Whether used in hand drills, pillar drills or magnetic drilling machines, these bits maintain straight, accurate holes and resist premature failure under heavy loads. For operations that depend on reliable tooling day after day, this set is built to perform.

• Heavy Duty M2 Construction: Premium high speed steel with hardness HRC 64-66 withstands demanding industrial workloads.
• 135° Split Point: Fast, accurate starts on metal with reduced walking and lower feed pressure requirements.
• Industrial Strength Flutes: Robust flute geometry provides rigidity and efficient chip evacuation in deep drilling.
• Complete Size Coverage: 1.0 - 13.0 mm metric range suits structural steel, machinery and automotive work.
• Multi-Machine Compatibility: Works with hand drills, pillar drills, bench drills and magnetic drill stands.
• Protective Heavy-Duty Case: A rugged storage case keeps the set organized and protected in workshop environments.

In industrial workshops, this set handles drilling tasks on structural steel, machine frames, jigs and fixtures. Automotive repair shops use these bits for drilling out broken fasteners, preparing mounting points and modifying chassis components, where the combination of hardness and split point accuracy prevents walk-off on curved or hardened surfaces. Fabrication shops rely on the set for sheet metal, plate steel and aluminum work that demands clean holes and dependable tool life.

The heavy duty design also supports maintenance crews drilling into machinery bases, conveyor systems and plant equipment. With the correct speeds and lubrication, these bits deliver consistent results across carbon steel, alloy steel and stainless steel, making them a staple tool in any serious metalworking environment.

This set ships in a rugged plastic case with individual size slots, packed in a reinforced export carton for safe transport. We offer custom branding, case color options and tailored size combinations for OEM and distribution partners. Each batch is verified through hardness testing, dimensional inspection and performance drilling on steel samples.

Our factory is committed to consistent quality and dependable supply for industrial customers worldwide. We provide competitive pricing for volume orders, flexible payment terms and professional export service. Contact our sales team to request samples or a detailed quotation.