{"id":19250,"date":"2025-09-29T12:32:19","date_gmt":"2025-09-29T12:32:19","guid":{"rendered":"https:\/\/orickmedicosarl.com\/?post_type=product&#038;p=19250"},"modified":"2025-09-29T12:32:19","modified_gmt":"2025-09-29T12:32:19","slug":"fixing-element-4-mm-hole-with-centrally-tapped-bore","status":"publish","type":"product","link":"https:\/\/orickmedicosarl.com\/index.php\/product\/fixing-element-4-mm-hole-with-centrally-tapped-bore\/","title":{"rendered":"fixing element 4 mm hole with centrally tapped   bore"},"content":{"rendered":"<p><strong>Mark the center:<\/strong> Use a center punch and hammer to create a small dimple where the hole will be drilled. This prevents the drill bit from wandering.<\/p>\n<p><strong>Chamfer the hole:<\/strong> Create a small chamfer on the edge of the pilot hole. This helps the tap enter the hole more easily and prevents burrs from interfering with the threads.<\/p>\n<p><strong>2. Drilling<\/strong><br \/>\n<strong>Select the correct drill bit:<\/strong> For a 4mm tapped bore (which usually indicates an M4 thread), a pilot hole drill size of 3.3 mm is needed.<\/p>\n<p><strong>Drill the pilot hole:<\/strong> Securely hold the material and the drill at a right angle to the surface. Use a low drill speed to maintain control and prevent the bit from breaking.<\/p>\n<p><strong>3. Tapping<\/strong><br \/>\n<strong>Secure the tap:<\/strong> Attach the tap to a tap handle or a drill press.<br \/>\n<strong>Start the tap:<\/strong> Align the tap with the center of the pilot hole and begin turning it by hand or using the drill press.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Mark the center:<\/strong> Use a center punch and hammer to create a small dimple where the hole will be drilled. This prevents the drill bit from wandering.<\/p>\n<p><strong>Chamfer the hole:<\/strong> Create a small chamfer on the edge of the pilot hole. This helps the tap enter the hole more easily and prevents burrs from interfering with the threads.<\/p>\n<p><strong>2. Drilling<\/strong><br \/>\n<strong>Select the correct drill bit:<\/strong> For a 4mm tapped bore (which usually indicates an M4 thread), a pilot hole drill size of 3.3 mm is needed.<\/p>\n<p><strong>Drill the pilot hole:<\/strong> Securely hold the material and the drill at a right angle to the surface. Use a low drill speed to maintain control and prevent the bit from breaking.<\/p>\n<p><strong>3. Tapping<\/strong><br \/>\n<strong>Secure the tap:<\/strong> Attach the tap to a tap handle or a drill press.<br \/>\n<strong>Start the tap:<\/strong> Align the tap with the center of the pilot hole and begin turning it by hand or using the drill press.<\/p>\n","protected":false},"featured_media":19251,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[208],"product_tag":[],"class_list":{"0":"post-19250","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-implants","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/19250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/comments?post=19250"}],"version-history":[{"count":1,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/19250\/revisions"}],"predecessor-version":[{"id":19252,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/19250\/revisions\/19252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media\/19251"}],"wp:attachment":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media?parent=19250"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=19250"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=19250"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=19250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}