HFS(R) Coaxial Centering Indicator Co-Ax Precision Milling Machine Test Dial CNC
23 holes includes (5) 5/8-11 threaded holes for clamping and (18) untapped holes<br> Quick, accurate, easy centering in boring and milling set-up on horizontal or vertical machines.<br> Operate at an angle from horizontal to vertical machines and from internal to external diameter without any change by simply changing the feeler.<br> 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.<br> Body length: 5-1/2"<br> Shank: 3/8" diameter x 7/8" long<br> Feller ball diameter: 1/8"<br> Measuring range: 250 axis feet<br> Capacity: Internal 5/32" to 4-1/4" dia. or External 0 to 4-1/4" dia.<br> Speed: spindle rotation up to 800 RPM. Exceeding this speed is not recommended.<br> Locating accuracy: 0.0002" or true center<br> Includes: restraining rod, center point feeler, 2", 4" & 6" straight feeler, 2", 4" & 6" curved feeler.