Precise Square ER Collet 3.2″ Height Block – 3900-5125

• Block Dimension: 1-3/4 x 1-3/4 x Height
• For fast set-ups on CNC Machines
• For parallel, square or Hex shapes as well as for cross hole drilling at 60, 90 or 120
• Made of tool steel hardened and ground to .0005 flatness, squareness and parallelism
• May be used standing upright
• Uses standard ER collets
• Through hole allows for long parts to be matched
• ER nut included

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