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    Tec-spiral Speedway rotary burr is designed as a high-quality tool for grinding and cutting the welding surface on the ship building industry. Tec-spiral provides advanced product and service to the large shipping industry in Korea, Japan and China, offers surface shipping manufacturing welding removing application technology and solutions.   Depends on customer demands, Tec-Spiral applied   special material and designed special cutting edge according to the applications.  The Speedway carbide burrs are with rotary file with coarse and fine teeth on the same burr which enables users to experience a more efficient cutting performance, easy cutting, stable quality, fine finish.