... parameter: Model No.GQ40Cutting dia. Round steel: φ6-φ40mTwo-grade deformed steel bar: φ8-φ32mmCutting distance34mmCutting frequency32 times/ ... cutting-off the common carbon steel, screw-thread steel, hot-rolled round steel, square steel and flat steel in the construction project. ... reduce by one third.4) It adopts the high steel knife block, connecting rod, high-speed international standard motor, ...