{"id":7636,"date":"2026-03-19T12:02:27","date_gmt":"2026-03-19T11:02:27","guid":{"rendered":"http:\/\/www.railway-models-and-art.co.uk\/blog\/?p=7636"},"modified":"2026-03-19T12:02:27","modified_gmt":"2026-03-19T11:02:27","slug":"mok-8f-8425-drilling-milling-out-the-steam-pipes-using-the-hemingway-finger-plate","status":"publish","type":"post","link":"http:\/\/www.railway-models-and-art.co.uk\/blog\/?p=7636","title":{"rendered":"MOK 8F 8425 &#8211; Drilling Milling out the Steam Pipes Using the Hemingway Finger Plate"},"content":{"rendered":"\n<p>Having spent  eight days making the jig it only took about 20 minutes to actually do the job.<\/p>\n\n\n\n<p>Yesterday morning, I decided to see if I could salvage the damaged original nut that I made for the finger plate. It&#8217;s a good job I did because the nut that I had made to replace the damaged one was too big to allow my 2mm milling cutter to get close enough to the job without catching on the nut. So I dug out the now smaller diameter original and that allowed enough clearance to get the job done. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"1024\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-736x1024.jpg\" alt=\"\" class=\"wp-image-7637\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-736x1024.jpg 736w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-216x300.jpg 216w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-768x1068.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-1104x1536.jpg 1104w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000-1472x2048.jpg 1472w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_170000.jpg 1613w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"461\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-1024x461.jpg\" alt=\"\" class=\"wp-image-7638\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-1024x461.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-300x135.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-768x346.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-1536x691.jpg 1536w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-2048x922.jpg 2048w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165919-500x225.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>The brass cylinder that you can see in the photos is actually a strong magnet inside a brass sleeve which came with my RSU but I have never used it before. In this instance it&#8217;s being used as a reference stop so that I can easily locate the second steam pipe in the same place for machining.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"999\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-1024x999.jpg\" alt=\"\" class=\"wp-image-7639\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-1024x999.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-300x293.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-768x750.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-1536x1499.jpg 1536w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938-307x300.jpg 307w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/20260318_165938.jpg 1628w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>I used a parallel to align the bottom face of the casting with the edge of the finger plate so that I could mill\/drill into the slot.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"950\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-1024x950.jpg\" alt=\"\" class=\"wp-image-7640\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-1024x950.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-300x278.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-768x713.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-323x300.jpg 323w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out.jpg 1220w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>I am pleased to say that it did the job exactly as it said on the tin so to speak.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-1024x535.jpg\" alt=\"\" class=\"wp-image-7641\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-1024x535.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-300x157.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-768x401.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-1536x803.jpg 1536w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-2048x1070.jpg 2048w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2026\/03\/8F-Steam-Pipes-Milled-Out-2-500x261.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>It also occurred to me this morning that having replaced the 1\/4-40 tpi and 1\/4 UNC threaded parts with M6 I can also use standard M6 hardware in the finger plate if I need even more clearance at any point in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Having spent eight days making the jig it only took about 20 minutes to actually do the job. Yesterday morning, I decided to see if I could salvage the damaged original nut that I made for the finger plate. It&#8217;s &hellip; <a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/?p=7636\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[82,6],"tags":[],"class_list":["post-7636","post","type-post","status-publish","format-standard","hentry","category-hemingway-toolroom","category-mok-8f"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7636"}],"version-history":[{"count":1,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7636\/revisions"}],"predecessor-version":[{"id":7642,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7636\/revisions\/7642"}],"wp:attachment":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7636"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}