CYLINDRICAL SQUARES
NO. 9141 & 9143 SERIES

Cylindrical Squares, used on surface plates, provide one of the most reliable 90 reference standards available in the industry today. Work may be placed against the periphery and sighted, or for greater convenience, the Cylindrical Square may be used to set a No. 9146 Comparator Square for transfer type inspection with direct indicator squareness readings. Cylindrical squares are also used for checking the squareness of the vertical axis to the horizontal axis of numerically controlled machining centers.

SPECIFICATIONS

Taft-Peirce Cylindrical Squares are made of high quality alloy steel, scientifically heat treated for maximum stability and wear resistance. The periphery is ground between centers straight and round within the tolerance specified for each size, with an extremely fine micro finish. The ends, recessed and provided with self-cleaning dirt grooves, are ground and lapped square with the axis within the specified tolerances. Each square is packed in a finished wood case with hinged cover.

Style No. Overall Dimensions Straightness Roundness Squareness Approx. Weight Price
Diameter Height
9141 3" 4-1/2" 0.0001 0.0001 8 lbs. $716
9143-12 5" 12" 0.0001 0.0001 per ft. 64 lbs. $1,488
9143-24 6" 24" 0.0002 0.0001 per ft. 106 lbs. $5,428
9143-36 7-7/8" 36" 0.0002 0.0001 per ft. 230 lbs. $8,798
9143-48 9-3/4" 48" 0.0002 0.0001 per ft. 560 lbs. $11,322
9143-300 80mm 300mm 0.00254mm 0.00254mm $823
9143-400 100mm 400mm 0.00508mm 0.00254mm $1,126
9143-500 120mm 500mm 0.00508mm 0.00254mm $1,414

Special and larger sizes quoted upon request.

Automation and Metrology 130 Liberty Street Painesville, Ohio 44077
Phone:  (440) 354 6436  Fax:  (440) 639 9983
E-mail: sales@auto-met.com

www.auto-met.com

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