{"id":357266,"date":"2024-10-20T01:16:09","date_gmt":"2024-10-20T01:16:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-906-21972\/"},"modified":"2024-10-26T01:43:12","modified_gmt":"2024-10-26T01:43:12","slug":"bs-906-21972","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-906-21972\/","title":{"rendered":"BS 906-2:1972"},"content":{"rendered":"<p>This British Standard applies to parallel steel blocks of the following grades and sizes:<\/p>\n<blockquote>\n<p>Grade A accuracy. Sizes \u00bc in \u00d7 \u00bd in \u00d7 4 in to 1\u00bd in \u00d7 3 in \u00d7 12 in.<\/p>\n<p>Grade B accuracy. Sizes \u00bc in \u00d7 \u00bd in \u00d7 4 in to 2 in \u00d7 4 in \u00d7 16 in.<\/p>\n<\/blockquote>\n<p>The parallels of Grade A accuracy are high precision parallels primarily intended for inspection; those of Grade B accuracy are primarily intended for general tool room work.<\/p>\n<blockquote>\n<p>NOTE 1. The larger sizes of parallels may be made with a series of lightening holes drilled through their thickness, provided that the accuracy of the parallels is not thereby affected.<\/p>\n<p>NOTE 2. The titles of the British Standards referred to in this standard are listed on page 2.<\/p>\n<\/blockquote>\n<p>Seven sizes of Grade A parallels with cross section \u00bc in x \u00bd in to 1\u00bd in x 3 in and nine of Grade B parallels with cross sections \u00bc in x \u00bd in to 2 in x 4 in. Material, standard sizes, finish, accuracy, protection and marking.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Specification for engineers&#8217; parallels. &#8211; Imperial units<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>1972<\/td>\n<td>8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":357279,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[256,2641],"product_tag":[],"class_list":{"0":"post-357266","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-040-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/357266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/357279"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=357266"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=357266"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=357266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}