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Ruko Hss Weldon 55mm Ø 21 Mm Hollow Drill Bit. RUKO HSS Weldon Hollow Drill Bit Ø 21 mm | 55 mm Cutting DepthUnleash superior drilling performance and professional-grade precision with the RUKO HSS Weldon Hollow Drill Bit. Expertly engineered for demanding applications in metalworking and construction, this individual annular cutter is the ultimate accessory for creating clean, accurate, and fast 21 mm diameter holes. Unlike traditional twist drills that cut the entire diameter, this hollow drill bit, also known as a core drill, cuts only the periphery of the hole, requiring less thrust and power while achieving significantly faster results. This makes it an indispensable tool for professionals seeking to maximize efficiency and achieve flawless finishes on every project.Experience Unmatched Efficiency and DurabilityDesigned for high cutting power and a remarkably long service life, this hollow drill bit stands as a testament to RUKO´s commitment to quality. The exceptional durability reduces tool changeovers and operational downtime, offering a cost-effective solution for intensive use. The core of its performance lies in the advanced manufacturing process, which ensures that each cut is smooth, precise, and requires minimal effort from the operator and the machine. Whether you are working on-site or in a workshop, this drill bit delivers the consistent, reliable performance that professionals depend on to get the job done right the first time.Key Features:* Exceptional Cutting Depth: With a substantial cutting depth of 55 mm, this annular cutter is perfectly suited for drilling through thick materials such as structural steel beams, thick plates, and complex metal profiles with a single, efficient pass.* Precision CBN Grinding: The cutting edges are perfected through a full CBN (Cubic Boron Nitride) grinding process. This high-tech sharpening method results in exceptionally sharp, precise, and wear-resistant teeth, ensuring superior cutting performance and extended tool longevity.* Versatile Material Application: Engineered for high performance across a wide range of materials. It is ideally suitable for drilling beams and sheets of steel, cast steel, as well as light and non-ferrous metals, making it a highly versatile addition to any toolkit.* Secure Weldon Shank: The integrated Weldon shank guarantees a secure, stable, and non-slip connection with the drill´s arbor. This design ensures maximum torque transmission and prevents the bit from spinning in the chuck, leading to safer operation and more accurate holes.* Protective and Convenient Packaging: Each individual drill bit is supplied in a durable, translucent plastic case. This protective case not only prevents damage to the fine cutting edges during transport and storage but also features an integrated hanger for easy organization and retail display.Compatibility and UseThis high-performance hollow drill bit is specifically designed for use with powerful drilling equipment. It is optimized for magnetic base column drills and floor drills that feature a Morse taper connection, requiring the use of adapter 108 302 or 108 303 for a perfect fit. It is an ideal accessory for RUKO´s own powerful magnetic drills, including the RUKO RS 20 and RS 30 models, ensuring seamless system integration and optimal performance.---Technical Specifications* Product Type: Hollow Drill Bit / Annular Cutter* Category: Electric tool accessories* Subcategory: Hole saw bits* Attribute: Individual* Diameter (Ø): 21 mm* Cutting Depth: 55 mm. tradeinn Bricoinn
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