PRODUCTS PRECISION, QUALITY, INNOVATION. SINCE 1880. / Precision Measuring Tools / Surface Plates / Surface Plate Accessories / Five-Face Master Squares FIVE-FACE MASTER SQUARES Five-Face Granite Master Squares are popular for accurately checking the X-Y-Z axes on CNC machine tools and coordinate measuring machines. Lying in the horizontal position, the X and Y axes can be checked for 90º squareness. With the square in the vertical position, tracing along the vertical edge of the square can check the perpendicularity of the Z axis. By tracing along the top edge of the square while in the vertical position, it will check parallelism of the table in the X and Y axes. Five-face master squares may also be used on any work that requires the checking of squareness or parallelism. CLEAR FILTERS Sort Popularity Price Ascending Price Descending Show Page COMPARE MADE IN AMERICA Yes (21) SIZE LXWXT (IN) 12 X 12 X 3 (4) 14 X 14 X 3 (4) 16 X 16 X 4 (4) 24 X 24 X 4 (5) 36 X 36 X 6 (4) GRADE (U.S.) A Inspection (5) AA Laboratory (5) SIZE LXWXT (MM) 300 X 300 X 75 (4) 350 X 350 X 75 (4) 400 X 400 X 100 (4) 600 X 600 X 100 (5) 900 X 900 X 150 (4) CLEAR FILTERS Page 1 of 2 Select to compare G-81919 Five-Face Granite Master Square 12" x 12" x 3" Five-Face Granite Master Square - Grade AA Laboratory Select to compare G-81920 Five-Face Granite Master Square 12" x 12" x 3" Five-Face Granite Master Square - Grade A Inspection Select to compare G-81922 Five-Face Granite Master Square 14" x 14" x 3" Five-Face Granite Master Square - Grade AA Laboratory Select to compare G-81923 Five-Face Granite Master Square 14" x 14" x 3" Five-Face Granite Master Square - Grade A Inspection Select to compare G-81925 Five-Face Granite Master Square 16" x 16" x 4" Five-Face Granite Master Square - Grade AA Laboratory Select to compare G-81926 Five-Face Granite Master Square 16" x 16" x 4" Five-Face Granite Master Square - Grade A Inspection Select to compare G-81931 Five-Face Granite Master Square 24" x 24" x 4" Five-Face Granite Master Square - Grade AA Laboratory Select to compare G-81932 Five-Face Granite Master Square 24" x 24" x 4" Five-Face Granite Master Square - Grade A Inspection Select to compare G-81933 Five-Face Granite Master Square 36" x 36" x 6" Five-Face Granite Master Square - Grade AA Laboratory Select to compare G-81934 Five-Face Granite Master Square 36" x 36" x 6" Five-Face Granite Master Square - Grade A Inspection Select to compare G-81761 Five-Face Granite Master Square Accessory 12" Granite Master Square Travel Case Select to compare G-81760 Five-Face Granite Master Square Accessory 12" Granite Master Square Storage Case Page 1 of 2 RELATED INFORMATION MicrometersL1 Hand-Held Force GagesHole Saws ABOUT STARRETT General Information Company Profile Facilities Investor Relations Careers FAQ WHAT'S NEW News Events Made In America Promotions Videos Blog CONTACT Contact Starrett Order Catalogs Find a Distributor Distributor Portal RESOURCES Documentation Exploded Parts Diagrams Licensed Merchandise Software Spare Parts Competitor Cross Reference (888) 674-7443 (Toll Free Phone) (978) 249-3551 (Toll Phone) (978) 249-8495 (Fax) United States Copyright 2021 © Starrett . All rights reserved.