{"id":2077,"date":"2016-12-17T16:28:00","date_gmt":"2016-12-17T08:28:00","guid":{"rendered":"https:\/\/chpdc.com\/?p=2077"},"modified":"2026-10-05T12:32:13","modified_gmt":"2026-10-05T04:32:13","slug":"custom-drill-bit-ordering-guide","status":"publish","type":"post","link":"https:\/\/chpdc.com\/vi\/custom-drill-bit-ordering-guide\/","title":{"rendered":"Questions to Answer Before Ordering a Custom Drill Bit"},"content":{"rendered":"<style>\n\/* \u72ec\u7acb\u4f5c\u7528\u57df\uff0c\u907f\u514d\u5f71\u54cd\u7f51\u7ad9\u5176\u5b83\u90e8\u5206 *\/\n.chenghui-custom-bit {\n    max-width: 1100px;\n    margin: 0 auto;\n    padding: 20px;\n    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n    color: #1e2f4d;\n    line-height: 1.7;\n}\n.chenghui-custom-bit .hero {\n    background: linear-gradient(135deg, #0b2538 0%, #1a4a6a 100%);\n    border-radius: 24px;\n    padding: 48px 40px;\n    margin-bottom: 36px;\n    text-align: center;\n 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(max-width: 768px) {\n    .chenghui-custom-bit .hero {\n        padding: 32px 20px;\n    }\n    .chenghui-custom-bit .hero h1 {\n        font-size: 1.8rem;\n    }\n    .chenghui-custom-bit .cta-section {\n        padding: 24px 16px;\n    }\n    .chenghui-custom-bit h2 {\n        font-size: 1.6rem;\n        margin-top: 36px;\n    }\n    .chenghui-custom-bit table {\n        font-size: 0.9rem;\n    }\n    .chenghui-custom-bit th,\n    .chenghui-custom-bit td {\n        padding: 10px 12px;\n    }\n}\n<\/style>\n\n<article class=\"chenghui-custom-bit\">\n\n    <!-- \u9876\u90e8\u6a2a\u5e45 -->\n    <header class=\"hero\">\n        <h1>Questions to Answer Before Ordering a Custom Drill Bit<\/h1>\n        <p class=\"hero-sub\">Ten practical questions that help your supplier recommend the right bit structure<\/p>\n        <p class=\"hero-meta\">\n            <span>\ud83d\udcd8 Buyer Guide<\/span>\n            <span>\ud83d\udee0 Custom Drill Bit<\/span>\n            <span>\ud83c\udf0d Water Wells \u00b7 Mining \u00b7 Construction<\/span>\n        <\/p>\n    <\/header>\n\n    <!-- \u5f15\u8a00 -->\n    <section id=\"introduction\">\n        <p>Many drilling-tool inquiries start with only one piece of information: \u201cI need a 152 mm drill bit.\u201d<\/p>\n        <p>Diameter is important. However, it is rarely enough to pick the right drilling tool. Because of this, answering a few key questions before ordering can help a lot.<\/p>\n        <p>Before ordering a custom PDC, drag, core or other rotary drill bit, the ten questions below can help the maker suggest a more suitable structure.<\/p>\n        <div class=\"info-box\">\n            <p><strong>Quick summary:<\/strong> A good inquiry covers diameter, formation, abrasiveness, connection, rig, depth, circulation, current bit, the problem to solve and the main goal. In short, better information leads to a better recommendation.<\/p>\n        <\/div>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 1 -->\n    <!-- ============================================================ -->\n    <section id=\"q1-diameter\">\n        <h2>1. What Hole Diameter Do You Need?<\/h2>\n        <p>Give the required diameter in millimeters or inches. If the hole will be enlarged later, mention both the pilot-hole and final-hole sizes.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 2 -->\n    <!-- ============================================================ -->\n    <section id=\"q2-formation\">\n        <h2>2. What Formation Will You Drill?<\/h2>\n        <p>Describe the rock as clearly as you can. For example:<\/p>\n        <ul>\n            <li>Clay<\/li>\n            <li>Coal<\/li>\n            <li>Sandstone<\/li>\n            <li>Mudstone<\/li>\n            <li>Shale<\/li>\n            <li>Limestone<\/li>\n            <li>Dolomite<\/li>\n            <li>Weathered rock<\/li>\n            <li>Broken formation<\/li>\n        <\/ul>\n        <p>If several formations appear in the same hole, give the rough drilling order.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 3 -->\n    <!-- ============================================================ -->\n    <section id=\"q3-abrasiveness\">\n        <h2>3. Is the Formation Abrasive?<\/h2>\n        <p>Abrasiveness affects cutter wear and gauge protection. Because of this, photos of drill cuttings or worn bits can give useful clues.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 4 -->\n    <!-- ============================================================ -->\n    <section id=\"q4-connection\">\n        <h2>4. What Connection Do You Need?<\/h2>\n        <p>Examples may include:<\/p>\n        <ul>\n            <li>2 3\/8 REG<\/li>\n            <li>2 7\/8 REG<\/li>\n            <li>3 1\/2 REG<\/li>\n            <li>4 1\/2 REG<\/li>\n            <li>NC-series connections<\/li>\n            <li>Other custom threads<\/li>\n        <\/ul>\n        <p>Never assume that two bits of the same diameter use the same connection.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 5 -->\n    <!-- ============================================================ -->\n    <section id=\"q5-rig\">\n        <h2>5. What Drilling Rig Are You Using?<\/h2>\n        <p>The rig decides the available:<\/p>\n        <ul>\n            <li>Torque<\/li>\n            <li>Rotary speed<\/li>\n            <li>Feed force<\/li>\n            <li>Circulation capacity<\/li>\n        <\/ul>\n        <p>Giving the rig model can help check whether the proposed bit fits your setup.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 6 -->\n    <!-- ============================================================ -->\n    <section id=\"q6-depth\">\n        <h2>6. What Is the Drilling Depth?<\/h2>\n        <p>Shallow construction holes and deeper water wells can create different working conditions. Meanwhile, depth also affects flushing needs.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 7 -->\n    <!-- ============================================================ -->\n    <section id=\"q7-circulation\">\n        <h2>7. What Circulation Method Do You Use?<\/h2>\n        <p>Tell the supplier whether you use:<\/p>\n        <ul>\n            <li>Water<\/li>\n            <li>Drilling mud<\/li>\n            <li>Compressed air<\/li>\n            <li>Another circulation method<\/li>\n        <\/ul>\n        <p>In short, cleaning capacity affects bit design and drilling performance.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 8 -->\n    <!-- ============================================================ -->\n    <section id=\"q8-current-bit\">\n        <h2>8. What Bit Are You Using Now?<\/h2>\n        <p>If possible, give:<\/p>\n        <ul>\n            <li>Photos<\/li>\n            <li>Diameter<\/li>\n            <li>Brand<\/li>\n            <li>Cutter structure<\/li>\n            <li>Service life<\/li>\n            <li>Problems encountered<\/li>\n        <\/ul>\n        <p>As a result, a worn bit can hold useful clues about the drilling conditions.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 9 -->\n    <!-- ============================================================ -->\n    <section id=\"q9-problem\">\n        <h2>9. What Problem Are You Trying to Solve?<\/h2>\n        <p>For example:<\/p>\n        <ul>\n            <li>Bit wears too fast<\/li>\n            <li>Penetration is too slow<\/li>\n            <li>Gauge wears quickly<\/li>\n            <li>Cutters break<\/li>\n            <li>Bit becomes blocked<\/li>\n            <li>Hole deviation is too large<\/li>\n        <\/ul>\n        <p>In other words, customization should solve a defined drilling problem, not just make the product look different.<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- QUESTION 10 -->\n    <!-- ============================================================ -->\n    <section id=\"q10-priority\">\n        <h2>10. What Is More Important: Speed, Life or Cost?<\/h2>\n        <p>These goals may need different design priorities. Some contractors want the highest penetration rate. Others need longer bit life because changing the bit is costly.<\/p>\n        <p>Because of this, understanding the economic goal helps the supplier recommend a better solution.<\/p>\n\n        <div class=\"table-wrap\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Main Goal<\/th>\n                        <th>Design Focus<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Maximum speed<\/td>\n                        <td>Aggressive cutter layout, open waterways<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Longer bit life<\/td>\n                        <td>Stronger gauge protection, more wear-resistant cutters<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Lower cost<\/td>\n                        <td>Simple structure, balanced cutter count<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Mixed goals<\/td>\n                        <td>Balanced design based on formation and rig<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- BETTER INQUIRY -->\n    <!-- ============================================================ -->\n    <section id=\"better-inquiry\">\n        <h2>A Better Inquiry Produces a Better Recommendation<\/h2>\n        <p>A professional drilling-tool inquiry might look like this:<\/p>\n        <div class=\"info-box\">\n            <p>\u201cRequired diameter: 152 mm. Connection: 3 1\/2 REG. Formation: sandstone and limestone with some broken zones. Hole depth: about 180 m. Application: water well drilling. Please recommend a suitable bit structure.\u201d<\/p>\n        <\/div>\n        <p>That information is far more useful than simply asking for a price on a \u201c152 mm bit.\u201d<\/p>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- FAQ -->\n    <!-- ============================================================ -->\n    <section id=\"faq\">\n        <h2>Frequently Asked Questions<\/h2>\n\n        <div class=\"faq-item\">\n            <h3>Why is diameter not enough to order a custom drill bit?<\/h3>\n            <p>Because two bits of the same diameter can differ in cutter layout, blade design, gauge protection and connection. Therefore, formation, rig and drilling method also matter.<\/p>\n        <\/div>\n\n        <div class=\"faq-item\">\n            <h3>What information matters most for a custom drill bit?<\/h3>\n            <p>Formation type, abrasiveness, hole diameter, connection, rig model, drilling depth and circulation method are the most important details. Photos of worn bits also help a lot.<\/p>\n        <\/div>\n\n        <div class=\"faq-item\">\n            <h3>Can a supplier recommend a bit without photos?<\/h3>\n            <p>Yes. However, photos of worn bits or drill cuttings help the supplier understand wear patterns and drilling conditions much faster.<\/p>\n        <\/div>\n\n        <div class=\"faq-item\">\n            <h3>Should I choose speed, life or cost first?<\/h3>\n            <p>It depends on the project. For example, some contractors need maximum speed, while others need longer bit life to reduce rig downtime. As a result, the main goal should be stated clearly in the inquiry.<\/p>\n        <\/div>\n    <\/section>\n\n    <!-- ============================================================ -->\n    <!-- CONCLUSION -->\n    <!-- ============================================================ -->\n    <section id=\"conclusion\">\n        <h2>Conclusion: Custom Bits Work Best with Real Data<\/h2>\n        <p>Custom drilling tools work best when the design is based on real drilling data. Giving formation, diameter, connection, equipment and operating details helps the maker give a more informed recommendation.<\/p>\n        <p>In short, a clear inquiry can reduce needless trial and error, save time and lower the total drilling cost.<\/p>\n    <\/section>\n\n    <!-- CTA -->\n    <section id=\"cta\" class=\"cta-section\">\n        <p style=\"font-size:1.15rem; line-height:1.8; margin-bottom:12px;\">Ready to order a custom drill bit? Send us your answers to these ten questions and our team will recommend a suitable structure for your project.<\/p>\n        <p style=\"font-size:0.95rem; color:#4a6a85; margin-bottom:16px;\">Share your formation description, drilling method, bit diameter and connection requirements. We will review your project and respond with a practical recommendation.<\/p>\n        <div class=\"btn-group\">\n            <a href=\"https:\/\/wa.me\/8617727887618?text=Hello%2C%20I%20am%20contacting%20you%20from%20chpdc.com.%20I%20would%20like%20to%20get%20more%20information%20about%20your%20drilling%20tools.\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"btn btn-primary\">Ask for Custom Bit Help<\/a>\n            <a href=\"https:\/\/chpdc.com\/vi\/products\/\" class=\"btn btn-secondary\">View Drilling Tools<\/a>\n        <\/div>\n    <\/section>\n\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Questions to Answer Before Ordering a Custom Drill Bit Ten practical questions that help your supplier recommend the right bit [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,48],"tags":[],"class_list":["post-2077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drilling-knowledge","category-product-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>10 Questions Before Ordering a Custom Drill Bit<\/title>\n<meta name=\"description\" content=\"Use these ten questions to provide your drill bit supplier with the information needed for more accurate product selection and customization\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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