Precise Precision Centering Indicator – 4400-0020

• Quick, accurate and easy centering in boring and milling set-up on horizontal or vertical machines.
• Operates at an angle from horizontal to vertical machines, and from internal to external diameter without any change by simply changing the feeler.
• The face of the indicator remains stationary at any desired position while the machine spindle rotates, leaving the operator with both hands free to accurately position the table.
• Body Length: 5-1/2
• Shank: 3/8 Diameter x 7/8 long
• Feeler Ball: 1/8 Diameter
• Measuring Range: 250 Axis offset
• Capacity: Internal 5/32 to 4-1/4 Dia., External 0 to 4-1/4 Dia.
• Speed: Spindle rotation up to 800RPM (exceeding this speed is not recommended)
• Locating Accuracy: 0.0002 of true center.
• Includes restraining rod, center point feeler, 2″ straight feeler, 4″ straight feeler, 6″ straight feeler, 2″ curved feeler, 4″ curved feeler, and a 6″ curved feeler.
• Shipping Weight: 2 lbs