Expertly engineered for high-precision hole finishing and sizing operations in heavy-duty production environments, the Guhring Morse Taper Shank Machine Reamer range is the definitive industrial choice for conventional and CNC machining setups. Manufactured from premium cobalt-alloyed high-speed steel (HSS-E), these precision tools feature an integrated Morse taper shank (MTS) that ensures maximum concentricity, absolute rigidity, and zero slippage under high torque loads. Operating with specialized helical flute geometries, these machine reamers cleanly shave fractional margins from pre-drilled holes to consistently achieve strict H7 dimensional compliance and flawless mirror surface finishes. This range is structurally optimized to eliminate vibration and chatter across a vast spectrum of materials, making it ideal for processing structural steels, mild steel, AS/NZS 3678 250 and 350 grade plate, free-cutting steels, and tough alloyed plates where high-tolerance fitment is mandatory.

HSS TECHNICAL DATA

• Tool Material - HSS-E
  
• Standard - DIN 208
• Guhring No. 405
• Tolerance - H7
• Helix angle - 8 deg