{"id":918,"date":"2026-09-10T04:02:02","date_gmt":"2026-09-10T04:02:02","guid":{"rendered":"https:\/\/nm-coupling.net\/blog\/custom-nm-coupling-bore-keyway-quote\/"},"modified":"2026-09-10T06:14:07","modified_gmt":"2026-09-10T06:14:07","slug":"custom-nm-coupling-bore-keyway-quote","status":"publish","type":"ep_nm_article","link":"https:\/\/nm-coupling.net\/fa\/blog\/custom-nm-coupling-bore-keyway-quote\/","title":{"rendered":"What to Send for a Custom NM Coupling Bore and Keyway Quote"},"content":{"rendered":"<p>\u201cBore to suit motor\u201d is not enough information for a coupling order. The coupling connects two shafts, and they are often different. A useful RFQ names the driving side and driven side separately.<\/p>\n<h2>Give the shaft diameter exactly.<\/h2>\n<p>Keep the dimension in the unit used on the machine drawing. If the shaft is 1.375 in, do not round it to a convenient metric size before sending the enquiry. State the keyway and any fit\/tolerance requirement that the drawing controls.<\/p>\n<h2>Check the selected model\u2019s d max.<\/h2>\n<p>The specified maximum bore is a screening value. A request below d max can still need review for hub section, keyway and duty. If the shaft forces a larger model, confirm the new D and L dimensions fit the machine.<\/p>\n<p><a class=\"ep-text-link\" href=\"https:\/\/nm-coupling.net\/fa\/technical-guides\/bore-keyway-guide\/\">Open the bore and keyway guide \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u06cc\u06a9 RFQ \u0628\u0627 \u0633\u0648\u0631\u0627\u062e \u062a\u0645\u06cc\u0632\u060c \u0647\u0631 \u062f\u0648 \u0634\u0641\u062a \u0631\u0627 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0634\u0627\u0645\u0644 \u0634\u06cc\u0627\u0631\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u060c \u0645\u062f\u0644\u060c \u0645\u0642\u062f\u0627\u0631 \u0648 \u062a\u0644\u0631\u0627\u0646\u0633\u200c\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u200c\u0634\u062f\u0647 \u0628\u0627 \u06a9\u0634\u0634 \u0627\u0633\u062a.<\/p>","protected":false},"featured_media":0,"template":"","class_list":["post-918","ep_nm_article","type-ep_nm_article","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nm-coupling.net\/fa\/wp-json\/wp\/v2\/ep_nm_article\/918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nm-coupling.net\/fa\/wp-json\/wp\/v2\/ep_nm_article"}],"about":[{"href":"https:\/\/nm-coupling.net\/fa\/wp-json\/wp\/v2\/types\/ep_nm_article"}],"wp:attachment":[{"href":"https:\/\/nm-coupling.net\/fa\/wp-json\/wp\/v2\/media?parent=918"}],"curies":[{"name":"\u0648\u0631\u062f\u067e\u0631\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}