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
Special Offers
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Vendor: Suburban Tool Inc.
Certifications – 9150 Steel Parallel Sets A,B,C Certification - Long (CERT-LONG-9150ABC)
Regular price $762.30 -
Vendor: Suburban Tool Inc.
Certifications – MasterView Certification - Long (CERT-LONG-MV)
Regular price $404.25 -
Vendor: Suburban Tool Inc.
Certifications – TWP22-SET Certification - Long (CERT-LONG-TWP22)
Regular price $762.30 -
Vendor: Suburban Tool Inc.
Certifications – TWP9 9 Piece Parallel Set Certification - Long (CERT-LONG-TWP9)
Regular price $382.20
