{"id":1289,"date":"2026-01-02T21:42:32","date_gmt":"2026-01-02T13:42:32","guid":{"rendered":"https:\/\/jtlcnc.com\/?post_type=product&p=1289"},"modified":"2026-01-08T15:09:02","modified_gmt":"2026-01-08T07:09:02","slug":"granite-square-ruler-2","status":"publish","type":"product","link":"https:\/\/jtlcnc.com\/ar\/product\/granite-square-ruler-2\/","title":{"rendered":"\u0645\u0633\u0637\u0631\u0629 \u0645\u0631\u0628\u0639\u0629 \u0645\u0646 \u0627\u0644\u062c\u0631\u0627\u0646\u064a\u062a"},"content":{"rendered":"

Used for verticality and parallelism detection, and can be used as a 90 \u00b0 absolute measurement reference.
\nGranite precision measuring tools are made from high-quality “Jinan green” stone through mechanical processing and manual precision grinding. High precision, no deformation, good stability, and long lifespan.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u89c4 \u683c
\n\u0627\u0644\u0628\u064f\u0639\u062f<\/td>\n		\u76f8\u90bb\u4e24\u6d4b\u91cf\u9762\u5782\u76f4\u5ea6<\/p>\n

Perpendicularity between the two measuring surface<\/td>\n

\u00a0\u6d4b\u91cf\u9762\u76f4\u7ebf\u5ea6<\/p>\n

Measuring surface straightness<\/td>\n

\u76f8\u5bf9\u6d4b\u91cf\u9762\u5e73\u884c\u5ea6<\/p>\n

Parallelism of relative measurement surface<\/td>\n<\/tr>\n

\u5ea6 \u5ea6 \u5ea6 \u5ea6 \u5ea6 \u4eba \u4eba \uff08\u03bcm\uff09<\/td>\n<\/td>\n<\/tr>\n
00\u7ea7<\/td>\n0\u7ea7<\/td>\n00\u7ea7<\/td>\n0\u7ea7<\/td>\n00\u7ea7<\/td>\n0\u7ea7<\/td>\n<\/tr>\n
160\u00d7160<\/td>\n2<\/td>\n4<\/td>\n0.8<\/td>\n1.7<\/td>\n2<\/td>\n4<\/td>\n<\/tr>\n
200\u00d7200<\/td>\n2<\/td>\n4<\/td>\n0.9<\/td>\n1.8<\/td>\n2<\/td>\n4<\/td>\n<\/tr>\n
250\u00d7250<\/td>\n2.2<\/td>\n4.5<\/td>\n1<\/td>\n2<\/td>\n2.2<\/td>\n4.5<\/td>\n<\/tr>\n
315\u00d7315<\/td>\n2.6<\/td>\n5.2<\/td>\n1.1<\/td>\n2.3<\/td>\n2.6<\/td>\n5.5<\/td>\n<\/tr>\n
400\u00d7400<\/td>\n3<\/td>\n6<\/td>\n1.3<\/td>\n2.6<\/td>\n3<\/td>\n6<\/td>\n<\/tr>\n
500\u00d7500<\/td>\n3.5<\/td>\n7<\/td>\n1.5<\/td>\n3<\/td>\n3.5<\/td>\n7<\/td>\n<\/tr>\n
600\u00d7600<\/td>\n4.2<\/td>\n8.3<\/td>\n1.8<\/td>\n3.5<\/td>\n4.2<\/td>\n8.3<\/td>\n<\/tr>\n
Note: The error of flatness and straightness of the measuring surface must not be convex, and it is not detected within 2.5mm of the intersection of each measurement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Used for verticality and parallelism detection, and can be used as a 90 \u00b0 absolute measurement reference. Granite precision measuring tools are made from high-quality “Jinan green” stone through mechanical processing and manual precision grinding. High precision, no deformation, good stability, and long lifespan. \u89c4\u683c Dimension \u76f8\u90bb\u4e24\u6d4b\u91cf\u9762\u5782\u76f4\u5ea6 Perpendicularity between the two measuring surface \u00a0\u6d4b\u91cf\u9762\u76f4\u7ebf\u5ea6 Measuring…<\/p>","protected":false},"featured_media":1447,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[40],"product_tag":[],"class_list":{"0":"post-1289","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tool","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple","12":"entry","13":"content-bg","14":"loop-entry"},"taxonomy_info":{"product_cat":[{"value":40,"label":"Granite precision measuring tool"}]},"featured_image_src_large":["https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/01\/fangchi3-1024x768.jpg",1024,768,true],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/product\/1289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/media\/1447"}],"wp:attachment":[{"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/media?parent=1289"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1289"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1289"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jtlcnc.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1289"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}