{"id":1416,"date":"2026-04-10T11:46:08","date_gmt":"2026-04-10T11:46:08","guid":{"rendered":"https:\/\/shreejiprecision.co.in\/?post_type=product&#038;p=1416"},"modified":"2026-04-10T11:46:15","modified_gmt":"2026-04-10T11:46:15","slug":"testing-inspection-traceability-2","status":"publish","type":"product","link":"https:\/\/shreejiprecision.co.in\/?product=testing-inspection-traceability-2","title":{"rendered":"Precision machining tools"},"content":{"rendered":"<h3 data-section-id=\"12mbqo0\" data-start=\"167\" data-end=\"193\">\ud83d\udd29 Tool Identification<\/h3>\n<ul data-start=\"194\" data-end=\"421\">\n<li data-section-id=\"1id8n9n\" data-start=\"194\" data-end=\"254\">These are <strong data-start=\"206\" data-end=\"253\">center drills (also called spotting drills)<\/strong>.<\/li>\n<li data-section-id=\"157g4b\" data-start=\"255\" data-end=\"421\">Some tools also appear to be <strong data-start=\"286\" data-end=\"326\">combined drill and countersink tools<\/strong> used to:\n<ul data-start=\"338\" data-end=\"421\">\n<li data-section-id=\"1ab1wbo\" data-start=\"338\" data-end=\"363\">Start a hole accurately<\/li>\n<li data-section-id=\"kj97k5\" data-start=\"366\" data-end=\"421\">Create a chamfer (angled edge) at the top of the hole<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"194a6zk\" data-start=\"423\" data-end=\"442\">\u2699\ufe0f Key Features<\/h3>\n<ul data-start=\"443\" data-end=\"942\">\n<li data-section-id=\"1aqoa6z\" data-start=\"443\" data-end=\"591\"><strong data-start=\"445\" data-end=\"461\">Pointed Tips<\/strong>:<br data-start=\"462\" data-end=\"465\" \/>The sharp conical ends are designed to create precise starting points for drilling, preventing larger drills from wandering.<\/li>\n<li data-section-id=\"tg1xyw\" data-start=\"595\" data-end=\"713\"><strong data-start=\"597\" data-end=\"615\">Stepped Design<\/strong>:<br data-start=\"616\" data-end=\"619\" \/>Many tools have two diameters:\n<ul data-start=\"654\" data-end=\"713\">\n<li data-section-id=\"943nw5\" data-start=\"654\" data-end=\"673\">A small pilot tip<\/li>\n<li data-section-id=\"17wh8li\" data-start=\"676\" data-end=\"710\">A larger body for countersinking<\/li>\n<\/ul>\n<\/li>\n<li data-section-id=\"zryuob\" data-start=\"714\" data-end=\"832\"><strong data-start=\"716\" data-end=\"735\">Threaded Shanks<\/strong>:<br data-start=\"736\" data-end=\"739\" \/>The black threaded ends indicate they can be mounted into tool holders or machine spindles.<\/li>\n<li data-section-id=\"1rgndw2\" data-start=\"834\" data-end=\"942\"><strong data-start=\"836\" data-end=\"862\">Flutes (Cutting Edges)<\/strong>:<br data-start=\"863\" data-end=\"866\" \/>Visible grooves allow cutting and removal of metal chips during operation.<\/li>\n<\/ul>\n<h3 data-section-id=\"ufllma\" data-start=\"944\" data-end=\"974\">\ud83e\uddf1 Variations in the Image<\/h3>\n<ul data-start=\"975\" data-end=\"1178\">\n<li data-section-id=\"1i7cujk\" data-start=\"975\" data-end=\"1066\">Different <strong data-start=\"987\" data-end=\"1007\">sizes and angles<\/strong> are shown for various hole sizes and chamfer requirements.<\/li>\n<li data-section-id=\"4izxb9\" data-start=\"1067\" data-end=\"1178\">One larger tool (center-left) looks like a <strong data-start=\"1112\" data-end=\"1139\">multi-flute countersink<\/strong>, used for wider chamfers or deburring.<\/li>\n<\/ul>\n<h3 data-section-id=\"1jfnk3h\" data-start=\"1180\" data-end=\"1199\">\ud83c\udfed Typical Uses<\/h3>\n<p data-start=\"1200\" data-end=\"1231\">These tools are widely used in:<\/p>\n<ul data-start=\"1232\" data-end=\"1425\">\n<li data-section-id=\"185k0ny\" data-start=\"1232\" data-end=\"1303\"><strong data-start=\"1234\" data-end=\"1252\">Lathe machines<\/strong> (to create center holes for supporting workpieces)<\/li>\n<li data-section-id=\"thwsaz\" data-start=\"1304\" data-end=\"1354\"><strong data-start=\"1306\" data-end=\"1322\">CNC machines<\/strong> (for accurate hole positioning)<\/li>\n<li data-section-id=\"c090af\" data-start=\"1355\" data-end=\"1425\"><strong data-start=\"1357\" data-end=\"1380\">Drilling operations<\/strong> (as a first step before using larger drills)<\/li>\n<\/ul>\n<h3 data-section-id=\"ebwqau\" data-start=\"1427\" data-end=\"1441\">\ud83e\udde0 Purpose<\/h3>\n<ul data-start=\"1442\" data-end=\"1557\">\n<li data-section-id=\"8obwz1\" data-start=\"1442\" data-end=\"1484\">Ensures <strong data-start=\"1452\" data-end=\"1484\">high precision and alignment<\/strong><\/li>\n<li data-section-id=\"1owzrz7\" data-start=\"1485\" data-end=\"1514\">Prevents drill bit slipping<\/li>\n<li data-section-id=\"8y4hch\" data-start=\"1515\" data-end=\"1557\">Improves <strong data-start=\"1526\" data-end=\"1557\">accuracy and surface finish<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h3 data-section-id=\"12mbqo0\" data-start=\"167\" data-end=\"193\">\ud83d\udd29 Tool Identification<\/h3>\n<ul data-start=\"194\" data-end=\"421\">\n<li data-section-id=\"1id8n9n\" data-start=\"194\" data-end=\"254\">These are <strong data-start=\"206\" data-end=\"253\">center drills (also called spotting drills)<\/strong>.<\/li>\n<li data-section-id=\"157g4b\" data-start=\"255\" data-end=\"421\">Some tools also appear to be <strong data-start=\"286\" data-end=\"326\">combined drill and countersink tools<\/strong> used to:\n<ul data-start=\"338\" data-end=\"421\">\n<li data-section-id=\"1ab1wbo\" data-start=\"338\" data-end=\"363\">Start a hole accurately<\/li>\n<li data-section-id=\"kj97k5\" data-start=\"366\" data-end=\"421\">Create a chamfer (angled edge) at the top of the hole<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"194a6zk\" data-start=\"423\" data-end=\"442\">\u2699\ufe0f Key Features<\/h3>\n<ul data-start=\"443\" data-end=\"942\">\n<li data-section-id=\"1aqoa6z\" data-start=\"443\" data-end=\"591\"><strong data-start=\"445\" data-end=\"461\">Pointed Tips<\/strong>:<br data-start=\"462\" data-end=\"465\" \/>The sharp conical ends are designed to create precise starting points for drilling, preventing larger drills from wandering.<\/li>\n<li data-section-id=\"tg1xyw\" data-start=\"595\" data-end=\"713\"><strong data-start=\"597\" data-end=\"615\">Stepped Design<\/strong>:<br data-start=\"616\" data-end=\"619\" \/>Many tools have two diameters:\n<ul data-start=\"654\" data-end=\"713\">\n<li data-section-id=\"943nw5\" data-start=\"654\" data-end=\"673\">A small pilot tip<\/li>\n<li data-section-id=\"17wh8li\" data-start=\"676\" data-end=\"710\">A larger body for countersinking<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":1415,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[47],"product_tag":[],"class_list":{"0":"post-1416","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tags-phptaxonomyproduct_catpost_typeproduct-8","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=\/wp\/v2\/product\/1416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1416"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=\/wp\/v2\/media\/1415"}],"wp:attachment":[{"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1416"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=1416"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1416"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/shreejiprecision.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}