{"id":2998,"date":"2026-05-16T07:31:12","date_gmt":"2026-05-16T07:31:12","guid":{"rendered":"https:\/\/www.advantage.co.th\/?p=2998"},"modified":"2026-05-16T07:31:23","modified_gmt":"2026-05-16T07:31:23","slug":"how-factories-separate-ng-and-waste-according-to-boi-scrap-regulation","status":"publish","type":"post","link":"https:\/\/www.advantage.co.th\/th\/how-factories-separate-ng-and-waste-according-to-boi-scrap-regulation\/","title":{"rendered":"Major Causes of NG (Non-Good Defects) in Industrial Drilling Tools Manufacturing"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Industrial drilling tools are critical components used in automotive, aerospace, construction, oil &amp; gas, electronics, and precision machining industries. These tools include drill bits, carbide drills, reamers, end mills, cutting inserts, countersinks, and high-precision machining tools.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because drilling tools operate under high speed, heat, pressure, and wear conditions, manufacturers must maintain extremely strict quality standards. Any NG (Non-Good) defect can affect machining accuracy, tool life, production efficiency, and customer safety.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Major NG Areas in Industrial Drilling Tools Manufacturing<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1. Tool Dimension Out of Specification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Precision dimensions are essential for drilling performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CNC grinding machine misalignment<\/li>\n\n\n\n<li>Tool wear during production<\/li>\n\n\n\n<li>Incorrect machine calibration<\/li>\n\n\n\n<li>Thermal expansion during machining<\/li>\n\n\n\n<li>Improper setup parameters<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incorrect drill diameter<\/li>\n\n\n\n<li>Poor hole tolerance<\/li>\n\n\n\n<li>Assembly mismatch<\/li>\n\n\n\n<li>Customer rejection<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">2. Chipping and Edge Breakage<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Cutting edges are highly sensitive during manufacturing and handling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excessive grinding force<\/li>\n\n\n\n<li>Improper handling<\/li>\n\n\n\n<li>Collision during automated transfer<\/li>\n\n\n\n<li>Weak carbide structure<\/li>\n\n\n\n<li>Incorrect sharpening angle<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduced cutting performance<\/li>\n\n\n\n<li>Premature tool failure<\/li>\n\n\n\n<li>Poor surface finish<\/li>\n\n\n\n<li>Tool breakage during customer use<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">3. Cracks in Carbide or Tool Material<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Cracks are critical defects for industrial cutting tools.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor sintering process<\/li>\n\n\n\n<li>Excessive heat treatment stress<\/li>\n\n\n\n<li>Material impurity<\/li>\n\n\n\n<li>Thermal shock during cooling<\/li>\n\n\n\n<li>Incorrect brazing condition<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sudden tool breakage<\/li>\n\n\n\n<li>Safety risk<\/li>\n\n\n\n<li>Reduced tool life<\/li>\n\n\n\n<li>Functional failure<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">4. Coating Defects<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Many industrial drilling tools use special coatings such as TiN, TiAlN, DLC, or carbide coating.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Common NG Types<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peeling<\/li>\n\n\n\n<li>Uneven coating<\/li>\n\n\n\n<li>Discoloration<\/li>\n\n\n\n<li>Thin coating layer<\/li>\n\n\n\n<li>Surface contamination<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improper coating chamber condition<\/li>\n\n\n\n<li>Poor surface cleaning<\/li>\n\n\n\n<li>Incorrect coating temperature<\/li>\n\n\n\n<li>Vacuum instability<\/li>\n\n\n\n<li>Contamination during coating process<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increased wear rate<\/li>\n\n\n\n<li>Reduced heat resistance<\/li>\n\n\n\n<li>Poor cutting performance<\/li>\n\n\n\n<li>Customer complaint<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">5. Surface Roughness and Grinding Defect<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Grinding quality directly affects cutting efficiency.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worn grinding wheel<\/li>\n\n\n\n<li>Incorrect grinding speed<\/li>\n\n\n\n<li>Poor coolant supply<\/li>\n\n\n\n<li>Machine vibration<\/li>\n\n\n\n<li>Improper wheel dressing<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rough cutting edge<\/li>\n\n\n\n<li>Poor chip evacuation<\/li>\n\n\n\n<li>Increased friction<\/li>\n\n\n\n<li>Reduced machining accuracy<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">6. Heat Treatment Defect<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Heat treatment controls hardness and toughness of drilling tools.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incorrect furnace temperature<\/li>\n\n\n\n<li>Uneven heating<\/li>\n\n\n\n<li>Improper cooling cycle<\/li>\n\n\n\n<li>Process timing error<\/li>\n\n\n\n<li>Furnace atmosphere contamination<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Low hardness<\/li>\n\n\n\n<li>Brittle structure<\/li>\n\n\n\n<li>Tool cracking<\/li>\n\n\n\n<li>Reduced durability<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">7. Brazing and Joint Defect<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Some drilling tools contain brazed carbide tips or assembled components.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Weak brazing material<\/li>\n\n\n\n<li>Incorrect brazing temperature<\/li>\n\n\n\n<li>Contaminated joining surface<\/li>\n\n\n\n<li>Improper alignment<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tip separation<\/li>\n\n\n\n<li>Tool vibration<\/li>\n\n\n\n<li>Cutting instability<\/li>\n\n\n\n<li>Failure during machining<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">8. Corrosion and Oxidation<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Metal drilling tools are sensitive to moisture and contamination.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improper storage condition<\/li>\n\n\n\n<li>High humidity<\/li>\n\n\n\n<li>Poor oil protection<\/li>\n\n\n\n<li>Chemical contamination<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rust formation<\/li>\n\n\n\n<li>Surface oxidation<\/li>\n\n\n\n<li>Reduced coating adhesion<\/li>\n\n\n\n<li>Product rejection<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">9. Runout and Concentricity NG<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">High-speed drilling requires perfect rotational balance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improper chuck alignment<\/li>\n\n\n\n<li>Grinding center deviation<\/li>\n\n\n\n<li>Tool deformation<\/li>\n\n\n\n<li>Machine spindle inaccuracy<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vibration during cutting<\/li>\n\n\n\n<li>Hole accuracy problem<\/li>\n\n\n\n<li>Tool instability<\/li>\n\n\n\n<li>Reduced machining quality<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">10. Packaging and Handling Damage<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Finished drilling tools are highly sensitive to impact.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How It Happens<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor packaging protection<\/li>\n\n\n\n<li>Improper transportation<\/li>\n\n\n\n<li>Human handling error<\/li>\n\n\n\n<li>Tool collision<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Result<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chipped edge<\/li>\n\n\n\n<li>Surface scratch<\/li>\n\n\n\n<li>Bent tool<\/li>\n\n\n\n<li>Customer claim<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Major Scrap Sources in Industrial Drilling Tool Manufacturing<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Production Area<\/th><th>Typical NG \/ Scrap<\/th><\/tr><\/thead><tbody><tr><td>Raw Material<\/td><td>Cracked carbide, impurity<\/td><\/tr><tr><td>CNC Grinding<\/td><td>Dimension NG<\/td><\/tr><tr><td>Heat Treatment<\/td><td>Hardness failure<\/td><\/tr><tr><td>Coating Process<\/td><td>Peeling coating<\/td><\/tr><tr><td>Brazing Process<\/td><td>Weak joint<\/td><\/tr><tr><td>Final Inspection<\/td><td>Runout NG<\/td><\/tr><tr><td>Packaging<\/td><td>Handling damage<\/td><\/tr><tr><td>Surface Inspection<\/td><td>Scratch, rust<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">How Factories Separate NG and Waste According to BOI Scrap Regulation<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Factories operating under Thailand BOI (Board of Investment) privileges must strictly control all scrap materials, rejected products, carbide waste, metal dust, and defective drilling tools.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because imported raw materials may receive tax exemption privileges, all waste management activities must follow BOI traceability and inspection requirements.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Types of Scrap Classification<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1. Production Scrap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Generated during normal manufacturing process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grinding dust<\/li>\n\n\n\n<li>Carbide powder<\/li>\n\n\n\n<li>Metal chips<\/li>\n\n\n\n<li>Cutting residue<\/li>\n\n\n\n<li>Tool trimming scrap<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. NG Product Scrap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rejected drilling tools that fail inspection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cracked carbide drill<\/li>\n\n\n\n<li>Coating defect end mill<\/li>\n\n\n\n<li>Dimension NG reamer<\/li>\n\n\n\n<li>Chipped cutting insert<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Raw Material Scrap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Unused or damaged raw materials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Broken carbide rods<\/li>\n\n\n\n<li>Rusted steel material<\/li>\n\n\n\n<li>Contaminated powder material<\/li>\n\n\n\n<li>Damaged inserts<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">BOI Scrap Separation Process<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1 \u2014 Identification and Tagging<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Factories classify scrap according to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Material type<\/li>\n\n\n\n<li>BOI \/ Non-BOI status<\/li>\n\n\n\n<li>Reusable or non-reusable condition<\/li>\n\n\n\n<li>Process source<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each scrap lot receives:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scrap identification tag<\/li>\n\n\n\n<li>Quantity record<\/li>\n\n\n\n<li>Defect description<\/li>\n\n\n\n<li>Traceability reference<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 2 \u2014 Segregated Storage Area<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Factories establish separate controlled zones for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Carbide scrap<\/li>\n\n\n\n<li>Metal chips<\/li>\n\n\n\n<li>Grinding dust<\/li>\n\n\n\n<li>NG drilling tools<\/li>\n\n\n\n<li>Recyclable materials<\/li>\n\n\n\n<li>BOI-controlled waste<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">BOI scrap must not mix with local production waste.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 3 \u2014 Recording and Traceability<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Factories maintain detailed records including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Material grade<\/li>\n\n\n\n<li>Weight and quantity<\/li>\n\n\n\n<li>Production process source<\/li>\n\n\n\n<li>Defect cause<\/li>\n\n\n\n<li>Disposal method<\/li>\n\n\n\n<li>Inspection evidence<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 4 \u2014 Inspection and Verification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Authorized inspection companies verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Actual scrap quantity<\/li>\n\n\n\n<li>Scrap condition<\/li>\n\n\n\n<li>Destruction process<\/li>\n\n\n\n<li>BOI compliance documentation<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Companies such as <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.advantage.co.th\/th\/scrap-boi\/?utm_source=chatgpt.com\">Advantage Co., Ltd.<\/a> provide BOI Scrap Inspection and certification services in Thailand.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Step 5 \u2014 Destruction or Recycling<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Common disposal and recycling methods include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Crushing<\/li>\n\n\n\n<li>Carbide recovery<\/li>\n\n\n\n<li>Metal melting<\/li>\n\n\n\n<li>Industrial shredding<\/li>\n\n\n\n<li>Authorized recycling process<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">High-value carbide scrap is often recovered and recycled through certified industrial recyclers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Step 6 \u2014 Certificate Issuance<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Inspection companies issue:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scrap inspection certificate<\/li>\n\n\n\n<li>Quantity verification report<\/li>\n\n\n\n<li>Destruction confirmation<\/li>\n\n\n\n<li>Photo evidence documentation<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These records support BOI audit compliance and material reconciliation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Best Practices to Reduce NG in Industrial Drilling Tool Manufacturing<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Process Control<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CNC grinding parameter monitoring<\/li>\n\n\n\n<li>Heat treatment control<\/li>\n\n\n\n<li>Coating thickness inspection<\/li>\n\n\n\n<li>SPC dimensional analysis<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Material Control<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Raw material certification<\/li>\n\n\n\n<li>Carbide quality inspection<\/li>\n\n\n\n<li>Controlled material storage<\/li>\n\n\n\n<li>Incoming inspection process<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Machine Maintenance<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grinding wheel maintenance<\/li>\n\n\n\n<li>Spindle calibration<\/li>\n\n\n\n<li>Cooling system monitoring<\/li>\n\n\n\n<li>Preventive maintenance program<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Automation and Inspection<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automated optical inspection<\/li>\n\n\n\n<li>Tool measurement systems<\/li>\n\n\n\n<li>Runout testing<\/li>\n\n\n\n<li>Surface roughness inspection<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Scrap Management<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Real-time scrap monitoring<\/li>\n\n\n\n<li>Root cause analysis<\/li>\n\n\n\n<li>BOI traceability system<\/li>\n\n\n\n<li>Controlled recycling process<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Industrial drilling tools are critical components used in automotive, aerospace, construction, oil &amp; gas, electronics, and precision machining industries. These tools include drill bits, carbide drills, reamers, end mills, cutting inserts, countersinks, and high-precision machining tools. Because drilling tools operate under high speed, heat, pressure, and wear conditions, manufacturers must maintain extremely strict quality standards. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2999,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15],"tags":[54,85,88,48,79,83],"class_list":["post-2998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-boi-scrap","tag-boi-inspection","tag-material-and-workmanship","tag-quality-control-inspections","tag-scrap-2","tag-technical-and-performance-validation","tag-third-party-inspection-service"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Major Causes of NG (Non-Good Defects) in Industrial Drilling Tools Manufacturing - Advantage<\/title>\n<meta name=\"description\" content=\"Factories operating under Thailand BOI (Board of Investment) privileges must strictly control all scrap materials, rejected products, carbide waste, metal dust, and defective drilling tools.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.advantage.co.th\/th\/how-factories-separate-ng-and-waste-according-to-boi-scrap-regulation\/\" \/>\n<meta property=\"og:locale\" content=\"th_TH\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Major Causes of NG (Non-Good Defects) in Industrial Drilling Tools Manufacturing - 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