Precise Square ER Collet 2.7" Height Block - 3900-5123

• 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 60º, 90º or 120º
• 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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