1.0Leffer - Stahl- und Apparatebauhttps://re.leffer.de/en/miselehttps://re.leffer.de/en/news/author/misele/rich600338<blockquote class="wp-embedded-content" data-secret="6elHaMuXJC"><a href="https://re.leffer.de/en/news/leffer-bohrrohre/">LEFFER Casings</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://re.leffer.de/en/news/leffer-bohrrohre/embed/#?secret=6elHaMuXJC" width="600" height="338" title="“LEFFER Casings” — Leffer - Stahl- und Apparatebau" data-secret="6elHaMuXJC" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://re.leffer.de/wp-includes/js/wp-embed.min.js </script> https://re.leffer.de/wp-content/uploads/2025/11/Post-Bohrrohre-840-x-600-px-1.png840600Precision and reliability for professional drilling and foundation work LEFFER drill pipes are among the most important components in special civil engineering, especially for grab drilling, kelly drilling, and cased drilling methods. Our drill pipes are available in diameters from 620 mm to 3500 mm and in lengths of up to 10 meters. Our high-quality, […]