High Hardness Hollow Drill: Industrial-Grade Drilling Solution, Preferred Tool for Procurement

As a professional choice deeply rooted in the hardware procurement field, the high-hardness hollow drill has become a core tool in industries such as machinery manufacturing and construction engineering due to its outstanding performance. This product is made of special alloy steel imported from Korea and treated with quenching and hardening processes, achieving a hardness of over HRC65, far exceeding the standard of ordinary drill bits, and can easily meet the drilling requirements of high-strength materials such as stainless steel and alloy steel.
Core parameters

Covers diameters from 12mm to 150mm, with a standard cutting depth of 35mm to 100mm, and supports custom special specifications with a maximum diameter of 200mm and depth of 200mm; the shank types include right-angle shank, harmonic quick-change shank, and other types, compatible with mainstream drill brands such as Dongcheng and Dayou, with diameter tolerance controlled at -0.05/0.1mm to ensure precise installation and operational accuracy.
Distinct product features
The hollow annular cutting design only removes the material around the hole wall, reducing the cutting amount by 70% compared to traditional drill bits. Paired with spiral chip grooves and an internal cooling system, chip removal is smooth and heat dissipation is fast, preventing drill jamming and cutter overheating and softening. The multi-edge end blade geometry achieves automatic centering, resulting in minimal drilling deviation and smooth hole walls that require no secondary finishing, significantly lowering subsequent processing costs.

Core advantages directly address procurement pain points

The service life of high-hardness hollow drills is more than three times that of ordinary drills, reducing replacement frequency and procurement costs; drilling efficiency is significantly improved, as it can penetrate thick metal plates in just 3 seconds, saving 80% of operation time compared to traditional tools; compatible with processing multiple materials such as metal, plastic, and carbon fiber composites, one tool meets multi-scenario needs, improving procurement cost-effectiveness.
Functional features fully adapt to industrial needs
The one-piece quenched handle enhances radial stability, is highly impact-resistant, and is not easily broken; the replaceable centering drill design facilitates maintenance and reduces operating costs; when used with a magnetic drill, it can perform multi-directional operations such as vertical and inverted, solving the problem of handling large workpieces.

Wide range of applications

Used for drilling components in steel structure engineering and shipbuilding, adapted for engine block processing in the automotive industry, and precise drilling of carbon fiber parts in the aerospace field, it also covers scenarios such as home electrical wiring and mechanical equipment riveting. It is an efficient drilling tool applicable across multiple industries. Choosing high-hardness hollow drills is choosing a procurement solution that is stable, efficient, and cost-optimized.
FAQ
Q: What is the core difference between high-hardness hollow drills and ordinary hollow drills?
A: The core difference lies in the material and hardness. This product uses imported special alloy steel with a hardness of HRC65 or above, capable of processing high-strength materials such as stainless steel, and its service life is three times that of ordinary hollow drills; ordinary hollow drills are mostly made of carbon steel, suitable only for wood and soft metals, and are prone to wear and chipping.
Q: How to match the handle type requirements of different equipment when purchasing?
A: The product is available in various specifications, including right-angle shank, harmonic quick-change shank, and threaded shank. When purchasing, you can provide the brand and model of the drilling rig, and we will match the compatible shank type; universal shank types are compatible with most equipment, and bulk purchases support custom exclusive interfaces to ensure secure installation.
Q: Does the applicable material range of high-hardness hollow drills include composite materials?
A: Fully applicable, this product can not only process metal materials such as stainless steel and alloy steel, but also efficiently drill carbon fiber composites, hard plastics, thick wood boards, and more, making it suitable for multiple industries such as machinery manufacturing, aerospace, and home decoration. Purchasing one unit can cover multiple usage scenarios.
Hot Tags: high hardness hollow drill, China high hardness hollow drill suppliers

