{"product_id":"5-cobalt-hss-drill-bit-3-75mm","title":"5%Cobalt HSS drill bit 3.75mm","description":"\u003cstyle\u003e\n  .ronix-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }\n  .ronix-cta-buttons { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }\n  @media (max-width: 700px) {\n    .ronix-grid-5 { grid-template-columns: repeat(2, 1fr); }\n    .ronix-section { padding: 18px 14px !important; }\n    .ronix-tagline { font-size: 16px !important; padding: 16px 12px !important; }\n    .ronix-cta-buttons a { width: 100% !important; box-sizing: border-box; text-align: center; }\n    .ronix-top-strip { font-size: 11px !important; padding: 8px 12px !important; }\n  }\n\u003c\/style\u003e\n\u003cdiv style=\"font-family:'Segoe UI',Arial,sans-serif;color:#333;line-height:1.7;max-width:100%;\"\u003e\n\n  \u003cdiv class=\"ronix-top-strip ronix-section\" style=\"background:#1a1a1a;color:#fff;padding:12px 18px;border-radius:8px;font-size:12px;text-align:center;letter-spacing:0.3px;margin-bottom:22px;\"\u003e\n    \u003cstrong style=\"color:#E30613;\"\u003e🇩🇪 RONIX\u003c\/strong\u003e · German Brand  |  🇸🇦 Authorized KSA Distributor — \u003cstrong style=\"color:#fff;\"\u003eBRO Global\u003c\/strong\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-tagline ronix-section\" style=\"text-align:center;padding:24px 16px;margin-bottom:24px;background:linear-gradient(135deg,#fafafa 0%,#fff 100%);border:1px solid #f0f0f0;border-radius:10px;font-size:20px;color:#1a1a1a;font-weight:600;font-style:italic;\"\u003e\"Do the job with the Highest Precision!\"\u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"margin-bottom:28px;\"\u003e\n\u003ch2 style=\"margin:0 0 14px;color:#1a1a1a;font-size:20px;font-weight:700;padding-bottom:8px;border-bottom:3px solid #E30613;display:inline-block;\"\u003eDescription\u003c\/h2\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;color:#444;margin:0;\"\u003eThe RH-5508, a 3.75 mm 5% Cobalt HSS Drill Bit designed by Ronix, is an essential tool for achieving the desired results in any industrial or home renovation project. Its exceptional versatility makes it ideal to use in various projects, and its length of 70 mm adds to its adaptability. Constructed using top-quality materials, the drill bit promises extraordinary performance. Moreover, it is resistant to heat and wear, making it suitable for heavy-duty projects. The RH-5508 guarantees impressive outcomes regardless of the task at hand.\u003c\/p\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"margin-bottom:28px;\"\u003e\n\u003ch2 style=\"margin:0 0 14px;color:#1a1a1a;font-size:20px;font-weight:700;padding-bottom:8px;border-bottom:3px solid #E30613;display:inline-block;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:1px solid #ececec;border-left:3px solid #E30613;border-radius:6px;margin-bottom:10px;\"\u003e\n\u003cdiv style=\"flex:0 0 auto;font-size:20px;font-weight:800;color:#E30613;min-width:32px;\"\u003e01\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.6;color:#333;\"\u003eHigh-quality,5% Cobalt material, strong High Speed Steel twist drill bit. which ensures the blades sharpness longevity and enables precise starting of the drill\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:1px solid #ececec;border-left:3px solid #E30613;border-radius:6px;margin-bottom:10px;\"\u003e\n\u003cdiv style=\"flex:0 0 auto;font-size:20px;font-weight:800;color:#E30613;min-width:32px;\"\u003e02\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.6;color:#333;\"\u003eHardened process, provides ultimate combination of strength, heat \u0026amp;amp; wear resistance\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:1px solid #ececec;border-left:3px solid #E30613;border-radius:6px;margin-bottom:10px;\"\u003e\n\u003cdiv style=\"flex:0 0 auto;font-size:20px;font-weight:800;color:#E30613;min-width:32px;\"\u003e03\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.6;color:#333;\"\u003eGreat performance with sharpened cutting edge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:1px solid #ececec;border-left:3px solid #E30613;border-radius:6px;margin-bottom:10px;\"\u003e\n\u003cdiv style=\"flex:0 0 auto;font-size:20px;font-weight:800;color:#E30613;min-width:32px;\"\u003e04\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.6;color:#333;\"\u003eBright finish for general purpose applications including Smooth surface \u0026amp;amp; rust-proof\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:#fff;border:1px solid #ececec;border-left:3px solid #E30613;border-radius:6px;margin-bottom:10px;\"\u003e\n\u003cdiv style=\"flex:0 0 auto;font-size:20px;font-weight:800;color:#E30613;min-width:32px;\"\u003e05\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;line-height:1.6;color:#333;\"\u003eQuick change round straight shank fits all power tools easily and the extensive size range makes it the go-to set for working on various projects\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"margin-bottom:28px;\"\u003e\n\u003ch2 style=\"margin:0 0 14px;color:#1a1a1a;font-size:20px;font-weight:700;padding-bottom:8px;border-bottom:3px solid #E30613;display:inline-block;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv style=\"border:1px solid #eee;border-radius:8px;overflow:hidden;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eRonix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eRH-5508\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eHSS Drill Bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003e3.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eM35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eSizes Geometry Length\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003e70Mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eSizes Geometry Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003e3.75Mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003e4.5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eHardness\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003e65-67HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eDIN 338\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:11px 14px;font-weight:600;color:#1a1a1a;border-bottom:1px solid #eee;width:42%;\"\u003eSupplied in\u003c\/td\u003e\n\u003ctd style=\"padding:11px 14px;color:#444;border-bottom:1px solid #eee;\"\u003eBlister card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"margin-bottom:28px;padding:22px 18px;background:#fafafa;border-radius:10px;\"\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#1a1a1a;font-size:18px;font-weight:700;padding-bottom:8px;border-bottom:3px solid #E30613;display:inline-block;\"\u003e⚙ Built for Performance\u003c\/h2\u003e\n    \u003cdiv class=\"ronix-grid-5\"\u003e\n      \u003cdiv style=\"text-align:center;padding:14px 8px;background:#fff;border-radius:8px;border:1px solid #ececec;\"\u003e\n\u003cdiv style=\"font-size:24px;\"\u003e⚡\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:12px;color:#1a1a1a;margin-top:6px;\"\u003ePowerful Motor\u003c\/div\u003e\n\u003cdiv style=\"font-size:10px;color:#777;margin-top:2px;\"\u003eHigh-output engineering\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"text-align:center;padding:14px 8px;background:#fff;border-radius:8px;border:1px solid #ececec;\"\u003e\n\u003cdiv style=\"font-size:24px;\"\u003e⚙\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:12px;color:#1a1a1a;margin-top:6px;\"\u003eReinforced Gearbox\u003c\/div\u003e\n\u003cdiv style=\"font-size:10px;color:#777;margin-top:2px;\"\u003eLong lifespan\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"text-align:center;padding:14px 8px;background:#fff;border-radius:8px;border:1px solid #ececec;\"\u003e\n\u003cdiv style=\"font-size:24px;\"\u003e🛡\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:12px;color:#1a1a1a;margin-top:6px;\"\u003eSafety System\u003c\/div\u003e\n\u003cdiv style=\"font-size:10px;color:#777;margin-top:2px;\"\u003eOperator protection\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"text-align:center;padding:14px 8px;background:#fff;border-radius:8px;border:1px solid #ececec;\"\u003e\n\u003cdiv style=\"font-size:24px;\"\u003e🤚\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:12px;color:#1a1a1a;margin-top:6px;\"\u003eErgonomic Design\u003c\/div\u003e\n\u003cdiv style=\"font-size:10px;color:#777;margin-top:2px;\"\u003eComfortable grip\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"text-align:center;padding:14px 8px;background:#fff;border-radius:8px;border:1px solid #ececec;\"\u003e\n\u003cdiv style=\"font-size:24px;\"\u003e🏭\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;font-size:12px;color:#1a1a1a;margin-top:6px;\"\u003eTested Quality\u003c\/div\u003e\n\u003cdiv style=\"font-size:10px;color:#777;margin-top:2px;\"\u003eFactory inspected\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"border-left:4px solid #E30613;padding:20px 22px;margin:28px 0;background:#fafafa;border-radius:0 8px 8px 0;\"\u003e\n    \u003ch3 style=\"margin:0 0 12px;color:#1a1a1a;font-size:17px;font-weight:700;\"\u003e🏆 Why Buy From BRO Global?\u003c\/h3\u003e\n    \u003cul style=\"margin:0;padding-left:18px;font-size:13px;line-height:1.9;color:#333;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAuthorized Ronix Distributor\u003c\/strong\u003e in Saudi Arabia — guaranteed 100% original products\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e2 Years Warranty\u003c\/strong\u003e on electric tools, locally honored\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGenuine spare parts and accessories\u003c\/strong\u003e available on demand\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLocal stock in KSA\u003c\/strong\u003e — fast shipping to Riyadh, Jeddah, Dammam, Mecca\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTechnical support\u003c\/strong\u003e before \u0026amp; after purchase via WhatsApp\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ronix-section\" style=\"background:linear-gradient(135deg,#E30613 0%,#b8050f 100%);color:#fff;padding:26px 22px;border-radius:10px;margin-top:24px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:11px;letter-spacing:2px;opacity:0.9;margin-bottom:6px;\"\u003eNEED HELP CHOOSING?\u003c\/div\u003e\n    \u003cp style=\"margin:0 0 6px;font-size:19px;font-weight:700;\"\u003eTalk to a Ronix Expert\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 16px;font-size:13px;opacity:0.95;\"\u003eOur team is on standby to help you pick the right tool\u003c\/p\u003e\n    \u003cdiv class=\"ronix-cta-buttons\"\u003e\n      \u003ca href=\"https:\/\/wa.me\/966547272567\" style=\"display:inline-block;background:#fff;color:#25D366;padding:12px 26px;border-radius:6px;text-decoration:none;font-weight:700;font-size:14px;\"\u003e💬 WhatsApp +966 54 727 2567\u003c\/a\u003e\n      \u003ca href=\"tel:+966547272567\" style=\"display:inline-block;background:rgba(0,0,0,0.25);color:#fff;padding:12px 26px;border-radius:6px;text-decoration:none;font-weight:700;font-size:14px;border:1px solid rgba(255,255,255,0.4);\"\u003e📞 Call Us\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c!-- RONIX-PRODUCT-FAQ-START --\u003e\n\u003csection class=\"ronix-product-faq\" style=\"margin:48px 0 24px;padding:28px;background:#fafafa;border-radius:12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;\"\u003e\n  \u003cdiv style=\"font-size:12px;font-weight:700;color:#E30613;letter-spacing:2px;margin-bottom:8px;\"\u003e★ FAQ\u003c\/div\u003e\n  \u003ch2 class=\"speakable\" style=\"font-size:24px;margin:0 0 18px;color:#1a1a1a;line-height:1.3;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \n  \u003cdetails class=\"ronix-faq-item\" style=\"border-bottom:1px solid #eee;padding:16px 0;\"\u003e\n    \u003csummary class=\"faq-question\" style=\"cursor:pointer;font-weight:600;font-size:16px;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;\"\u003e\n      \u003cspan\u003eWhat materials can the 5%Cobalt HSS drill bit 3.75mm drill through?\u003c\/span\u003e\n      \u003cspan style=\"color:#E30613;font-size:20px;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cdiv class=\"faq-answer\" style=\"margin-top:12px;color:#444;font-size:14.5px;line-height:1.75;\"\u003eHSS (high-speed steel) drill bits cut mild steel, aluminum, plastics, and wood. They are NOT suitable for masonry, concrete, or hardened steel — use carbide-tipped or cobalt bits for those. Use cutting oil when drilling steel for better bit life.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"ronix-faq-item\" style=\"border-bottom:1px solid #eee;padding:16px 0;\"\u003e\n    \u003csummary class=\"faq-question\" style=\"cursor:pointer;font-weight:600;font-size:16px;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;\"\u003e\n      \u003cspan\u003eAre these HSS or cobalt bits?\u003c\/span\u003e\n      \u003cspan style=\"color:#E30613;font-size:20px;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cdiv class=\"faq-answer\" style=\"margin-top:12px;color:#444;font-size:14.5px;line-height:1.75;\"\u003eCheck the title — Ronix offers standard HSS (general steel\/wood\/plastic), HSS-G (ground, smoother cuts), HSS-CO (5% cobalt, for stainless and hardened steel), and HSS-TiN (titanium-nitride coated, 3× life). Match the bit grade to the material hardness.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"ronix-faq-item\" style=\"border-bottom:1px solid #eee;padding:16px 0;\"\u003e\n    \u003csummary class=\"faq-question\" style=\"cursor:pointer;font-weight:600;font-size:16px;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;\"\u003e\n      \u003cspan\u003eWhat's the best drilling speed for steel with HSS bits?\u003c\/span\u003e\n      \u003cspan style=\"color:#E30613;font-size:20px;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cdiv class=\"faq-answer\" style=\"margin-top:12px;color:#444;font-size:14.5px;line-height:1.75;\"\u003eApproximate speeds: 6mm bit → ~1500 RPM in mild steel, 12mm → ~700 RPM, 20mm → ~400 RPM. Use slower speeds in stainless steel. Always use cutting oil to extend bit life and reduce work-hardening of the workpiece.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"ronix-faq-item\" style=\"border-bottom:1px solid #eee;padding:16px 0;\"\u003e\n    \u003csummary class=\"faq-question\" style=\"cursor:pointer;font-weight:600;font-size:16px;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;\"\u003e\n      \u003cspan\u003eDoes the 5%Cobalt HSS drill bit 3.75mm come with a warranty?\u003c\/span\u003e\n      \u003cspan style=\"color:#E30613;font-size:20px;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cdiv class=\"faq-answer\" style=\"margin-top:12px;color:#444;font-size:14.5px;line-height:1.75;\"\u003eYes — every Ronix electric tool sold by BRO Global comes with a 2 Years Warranty, handled locally from our Jeddah office. WhatsApp +966 54 727 2567 with your order number and a photo or video of the issue to start a claim. Replacement is typically dispatched within 24-72 hours.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails class=\"ronix-faq-item\" style=\"border-bottom:1px solid #eee;padding:16px 0;\"\u003e\n    \u003csummary class=\"faq-question\" style=\"cursor:pointer;font-weight:600;font-size:16px;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;\"\u003e\n      \u003cspan\u003eDo you deliver across Saudi Arabia?\u003c\/span\u003e\n      \u003cspan style=\"color:#E30613;font-size:20px;\"\u003e+\u003c\/span\u003e\n    \u003c\/summary\u003e\n    \u003cdiv class=\"faq-answer\" style=\"margin-top:12px;color:#444;font-size:14.5px;line-height:1.75;\"\u003eYes — we ship kingdom-wide via SMSA, Aramex, and J\u0026amp;T. Delivery typically takes 2-5 business days. Free shipping above SAR 500. Same-day dispatch from Jeddah for orders placed before 2 PM Saturday to Thursday.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n\u003c\/section\u003e\n\u003c!-- RONIX-PRODUCT-FAQ-END --\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"inLanguage\": \"en-SA\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can the 5%Cobalt HSS drill bit 3.75mm drill through?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"HSS (high-speed steel) drill bits cut mild steel, aluminum, plastics, and wood. They are NOT suitable for masonry, concrete, or hardened steel — use carbide-tipped or cobalt bits for those. Use cutting oil when drilling steel for better bit life.\"}}, {\"@type\": \"Question\", \"name\": \"Are these HSS or cobalt bits?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the title — Ronix offers standard HSS (general steel\/wood\/plastic), HSS-G (ground, smoother cuts), HSS-CO (5% cobalt, for stainless and hardened steel), and HSS-TiN (titanium-nitride coated, 3× life). Match the bit grade to the material hardness.\"}}, {\"@type\": \"Question\", \"name\": \"What's the best drilling speed for steel with HSS bits?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Approximate speeds: 6mm bit → ~1500 RPM in mild steel, 12mm → ~700 RPM, 20mm → ~400 RPM. Use slower speeds in stainless steel. Always use cutting oil to extend bit life and reduce work-hardening of the workpiece.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 5%Cobalt HSS drill bit 3.75mm come with a warranty?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — every Ronix electric tool sold by BRO Global comes with a 2 Years Warranty, handled locally from our Jeddah office. WhatsApp +966 54 727 2567 with your order number and a photo or video of the issue to start a claim. Replacement is typically dispatched within 24-72 hours.\"}}, {\"@type\": \"Question\", \"name\": \"Do you deliver across Saudi Arabia?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — we ship kingdom-wide via SMSA, Aramex, and J\u0026T. Delivery typically takes 2-5 business days. Free shipping above SAR 500. Same-day dispatch from Jeddah for orders placed before 2 PM Saturday to Thursday.\"}}]}\u003c\/script\u003e\n","brand":"BRO GLOBAL — Official Ronix Distributor KSA","offers":[{"title":"Default Title","offer_id":45115362803888,"sku":"RH-5508","price":7.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/6764\/1776\/files\/original-638275974111804512.webp?v=1778955787","url":"https:\/\/www.ronixksa.com\/products\/5-cobalt-hss-drill-bit-3-75mm","provider":"BRO Global — Authorized Ronix Distributor in KSA","version":"1.0","type":"link"}