Vermont Gage Jobbers Length Round Drill Blank, 4mm Size, Decimal Size 3-1/4″

• High Speed Steel.
• Specially made blanks for precision drills.
• Can also be used as shafts, arbors, guide rods, rollers, gages, alignment pins, punches, knock-out pins, as well as stock in the manufacturing of specialty tools instruments.
• Flute Shape: True Cylindrical Form
• Hardness: 62/64 Rc
• 10 microinch finish or better.
• Within .001″ straight.
• Size marked on blank.

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