Squares & Cylinder Squares

Taft-Peirce steel cylinder squares are precision cylindrical squares used to check the squareness of parts against a reference cylinder on the surface plate. As a squareness comparator, the cylinder square lets machinists and QC inspectors detect out-of-square conditions by the light gap along its ground face.Available in several heights from Suburban Tool, each Taft-Peirce cylinder square is Made in USA and precision ground, giving toolrooms and inspection labs a dependable master for squareness checking. Steel cylinder squares for squareness inspection Works as a squareness comparator on the surface plate Multiple heights available Premium Taft-Peirce precision, Made in USA

Suburban Tool magnetic cylinder squares provide a precise, self-standing reference for checking squareness and perpendicularity on the surface plate. The cylindrical form gives a true 90-degree reference in every direction, while built-in magnetism helps hold the square and reveal light gaps against the part.Machinists, tool & die makers, and QC/inspection teams use a magnetic cylinder square as a squareness comparator to check parts, fixtures, and machine setups. Available in 4", 6", and 12" heights, this collection covers a range of inspection needs. Made in USA. True 90-degree reference in all directions Magnetic cylindrical square for squareness checks Heights of 4", 6", and 12" Made in USA by Suburban Tool

Suburban Tool Steel Cylinder Squares are precision squareness references for checking the perpendicularity of parts on the surface plate. Available in 6" and 12" sizes, these cylindrical squares let machinists and QC inspectors verify squareness quickly by light-line or feeler methods against a known true cylinder.Made in the USA, each cylinder square is precision-ground for accuracy that inspection and tool & die departments trust. Used as a squareness comparator on the granite plate, Suburban Tool cylinder squares deliver a dependable 90-degree standard for demanding shops. Steel cylinder squares in 6" and 12" sizes Precision squareness reference for the surface plate Checks perpendicularity by light-line or feeler method Made in the USA by Suburban Tool

The Taft-Peirce Comparator Square is a premium precision squareness comparator used to check the 90-degree accuracy of parts against a master reference. Built to Taft-Peirce's exacting metrology standards, it gives QC/inspection technicians and tool & die makers a dependable way to verify squareness on the surface plate.Offered through Suburban Tool, this comparator square pairs with an indicator to reveal tiny out-of-square errors that a fixed square would miss. Squareness comparator for precise 90-degree inspection Works with a dial indicator for direct comparison gaging Ideal for metrology labs and tool & die QC Premium Taft-Peirce quality, Made in USA

The Taft-Peirce Three-Axis Reference Square is a premium precision master square built for the most demanding squareness and layout work. Machined and ground on multiple faces, it serves as a large-format reference standard for checking machines, fixtures, and workpieces against a true 90-degree datum in the shop or inspection lab.Offered through Suburban Tool, this Taft-Peirce square is trusted by machinists, tool & die makers, and QC/inspection teams who need dependable results. Like a cylindrical square or cylinder square, it establishes squareness across three axes for confident setups and grinding. Taft-Peirce premium precision, Made in USA Large 24" x 40" reference square Multi-face, three-axis squareness standard Ideal for machine, fixture, and part inspection