Cayken Magnetic Core Drilling Machine 35mm SCY-35HD

Accelerating structural steel fabrication with portable magnetic adhesion

Within the rigorous disciplines of structural steel erection, shipbuilding, bridge maintenance, and private metal fabrication, creating precise penetrations in thick carbon steel plates is a constant requirement. When standard I-beams or H-columns are already erected on a construction site, or when an independent fabricator is working on a massive steel chassis that cannot be physically moved to a stationary drill press, technicians face a severe logistical obstacle. Attempting to drill large-diameter holes through heavy-gauge steel using standard handheld rotary drills is not only physically exhausting and brutally slow, but it also presents a massive safety hazard due to severe rotational kickback.

The Cayken SCY-35HD magnetic drill completely resolves this fundamental industrial challenge. By integrating a highly powerful electromagnetic base with a heavy-duty rotary drilling mechanism, this specialized power tool effectively brings the stability of a stationary workshop drill press directly to the workpiece. Engineered to lock securely onto any ferrous metal surface—whether vertically on a structural column, horizontally on a floor plate, or even inverted under a bridge girder—the SCY-35HD allows operators to drill precise, clean holes up to 35mm in diameter. Designed to accommodate all tiers of users, from solo mobile welders to massive civil engineering contractors across Singapore and Malaysia, this portable magnetic drill ensures highly accurate steel penetration with absolute operator safety.

Cayken magnetic core drilling machine SCY-35HD maximum 35mm

1550W drive motor and variable speed transmission dynamics

Drilling through hardened structural steel requires a highly specific balance between rotational power and cutting speed. The Cayken SCY-35HD achieves this mechanical balance through a highly optimized electromechanical architecture.

• Continuous 1550W power output: The machine is driven by a heavy-duty 1550W electric motor. This substantial power rating is entirely necessary to overcome the immense physical shearing resistance encountered when a 35mm annular cutter slices through thick structural steel. The motor provides a continuous, unyielding rotational force, ensuring the cutting tool does not bind, stall, or overheat during deep penetrations.

• Integrated variable speed control: Unlike basic single-speed magnetic drills, the SCY-35HD features a highly crucial variable speed dial located directly on the main control panel, offering a wide operational range from 100 RPM up to 870 RPM. This is a critical mechanical advantage. Different cutting diameters and varying steel hardness levels demand different rotational speeds. A large 35mm annular cutter requires a slow, deliberate speed (closer to 200-300 RPM) to prevent the high-speed steel (HSS) or carbide teeth from burning and shattering. Conversely, if the operator utilizes a standard 10mm twist drill bit via an adapter, the speed must be dialed up significantly (700-800 RPM) for efficient chip evacuation. This variable transmission allows the technician to perfectly match the machine's speed to the exact metallurgical requirements of the cutting tool.

Annular cutting efficiency and Quickin/Weldon shank interface

The SCY-35HD departs from traditional solid twist drilling methods, utilizing highly efficient annular cutting geometry to maximize drilling speed and preserve motor life.

• Peripheral cutting mechanics: The machine is designed to deploy annular cutters (core drills) up to a maximum diameter of 35mm and a maximum cutting depth of 30mm. Unlike a standard twist drill bit that must physically grind and convert the entire diameter of the hole into metal shavings (swarf), an annular cutter only machines the outer periphery of the hole. It leaves a solid slug of steel in the center, which is automatically ejected at the end of the cut by an internal pilot pin. Because an annular cutter removes significantly less material, it cuts through structural steel exponentially faster, requires less applied feed pressure from the operator, and extends the operational lifespan of the 1550W motor.

• Universal tool retention system: To drastically reduce operational downtime during complex fabrication projects, the SCY-35HD spindle is equipped with a versatile Quickin / Weldon shank interface. The standard 19.05mm (3/4-inch) Weldon flat system allows operators to securely lock the annular cutter into the arbor using dual set screws, ensuring zero slippage under massive torque. This standardized interface guarantees total compatibility with almost all globally recognized brands of industrial annular cutters, providing maximum tooling flexibility for independent workshops and major construction fleets alike.

Electromagnetic base stabilization and highly optimized portability

The defining characteristic of any magnetic drill is its ability to physically adhere to the workpiece against the forces of gravity and extreme rotational torque.

• High-flux electromagnetic base: The foundation of the SCY-35HD is its integrated electromagnet, featuring surface dimensions of 166mm x 80mm x 50mm. When positioned on a flat, clean ferrous metal surface (minimum 10mm thickness recommended for maximum magnetic flux) and activated via the independent rocker switch, the base generates thousands of kilograms of vertical holding force. This magnetic adhesion completely immobilizes the machine, ensuring the drill track remains perfectly rigid. This prevents the cutting tool from wandering, eliminates lateral vibration, and protects the brittle teeth of the annular cutter from shattering.

• 11kg lightweight field deployment: While industrial magnetic drills frequently weigh in excess of 25 kg, rendering them highly impractical for elevated work, the SCY-35HD is meticulously engineered to maintain an equipment net weight of just 11.0 kg (≤11 kgs). This drastically reduced net weight is a transformative advantage for the operator. A single independent technician can comfortably carry this machine up a ladder, maneuver it across scaffolding, and easily position it horizontally or vertically on a steel I-beam without requiring mechanical lifting assistance or risking severe musculoskeletal strain.

Standard operating procedure for magnetic steel drilling

Operating a magnetic drill requires strict adherence to physical safety protocols. To ensure safe operation and maximize the lifespan of the cutting tools, all users must execute the following workflow:

1. Surface preparation and magnetic engagement: Ensure the target steel surface is completely flat and free of thick rust, mill scale, or debris that could interrupt the magnetic flux. Position the drill, plug in the power cable, and activate the magnet switch. Physically attempt to rock the machine to verify absolute magnetic adhesion before proceeding.

2. Safety tether installation (Mandatory): Always secure the magnetic drill to the steel structure using a heavy-duty safety chain or high-tensile ratchet strap. If the site experiences a sudden electrical power failure, the electromagnet will instantly disengage. The safety tether prevents the 11kg machine from falling and causing lethal injuries to personnel below.

3. Pilot pin and cutter installation: Insert the correct pilot pin into the center of the annular cutter. Slide the cutter into the Weldon/Quickin arbor and firmly tighten the locking screws to secure the flat sections of the shank.

4. Coolant application: Fill the integrated plastic coolant bottle with a specialized water-soluble cutting fluid. The fluid will flow directly down through the center of the arbor and past the pilot pin, directly lubricating the internal cutting teeth to prevent thermal damage to the tool.

5. Controlled mechanical feed: Activate the drive motor. Utilize the heavy-duty feed handles to slowly lower the spinning cutter into the steel. Maintain a steady, consistent downward pressure. Do not force the handles; allow the sharp teeth of the annular cutter to dictate the penetration rate. Upon breaking through the steel, the pilot pin will automatically eject the solid steel slug.

Technical specifications

All clients, encompassing independent steel fabricators and corporate procurement divisions, must verify absolute compatibility with the following electromechanical parameters prior to heavy site deployment:

Important Notice: The magnetic annular cutter / twist drill bit is not included in the standard equipment package and must be procured separately based on your specific project requirements.

Premium equipment upgrade: Eibenstock KBM-35X (Made in Germany)

While the Cayken SCY-35HD delivers exceptional operational value and highly reliable performance for standard structural fabrication, specific high-tier engineering projects—such as offshore marine rigging, critical bridge infrastructure, and stringent government contracts—frequently mandate the strict use of European-manufactured equipment. To fulfill these absolute compliance requirements for our clients across Singapore and Malaysia, we highly recommend an operational upgrade to the Eibenstock KBM-35X magnetic core drilling machine.

Meticulously engineered and entirely manufactured in Germany, the KBM-35X represents the absolute pinnacle of premium electromechanical durability. By upgrading to this top-tier European platform, independent structural specialists and corporate fabrication fleets gain immediate access to superior German motor metallurgy, enhanced electromagnetic flux stability, and an extended continuous-duty lifespan. This German-engineered machine is built specifically to survive the most punishing, unyielding industrial environments without experiencing mechanical degradation. Click below picture to learn more.

Regional equipment supply for Singapore and Malaysia

Asia Pro Equip supplies highly verified, extreme-duty steel fabrication tools to a massive, highly diverse regional clientele. We proudly serve everyone from mega-scale structural steel erecting corporations and shipyard maintenance crews to independent welders, automotive fabricators, and private industrial workshops. We meticulously maintain strategic, ready-to-deploy physical inventory of the ultra-portable Cayken SCY-35HD magnetic drilling machines within our regional logistics hubs. This ensures highly efficient, rapid supply chain fulfillment directly to your corporate fabrication yard, elevated construction site, or private workshop across any location in Singapore and Malaysia.

Operating on a transparent, highly competitive pricing model explicitly tailored to support massive infrastructure fleets and independent tradesmen alike, our technical sales division is fully prepared to process your inquiry. Whether you are submitting an official corporate RFQ for a dozen units to equip a bridge repair team, or simply purchasing a single reliable 35mm mag drill for a private metalworking garage, our team will meticulously verify equipment specifications against your unique needs and flawlessly fulfill your operational requirements.

• Sales & Equipment Inquiries: [email protected]