Supreme Premium Wet Diamond Core Drill Bit | Split Segment Design | 1" - 14"

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Precision Engineering for Core Professionals "Core drilling is about more than just making a hole; it's about speed, straightness, and the ability to survive reinforced steel. At S upreme Diamond Tools, we engineered the GS Series with Split Segment technology to solve the 'drifting' issue common in standard bits. The serrated profile allows for a faster bite and better slurry ejection, ensuring that whether you are a rental fleet or a structural contractor, your cost-per-hole remains the lowest in the industry." — The Supreme Diamond Technical Team The Supreme GS Series Wet Diamond Core Bit is a professional-grade solution designed for high-performance drilling in concrete, brick, stone, and masonry. Featuring a 14" usable tube length and a specialized diamond matrix, these bits are built to deliver precision results in both residential renovations and heavy-duty industrial construction. 🚀 Why the GS Series is the Industry Standard Advanced Split Segment Geometry: The unique "notched" segment design reduces initial surface friction. This allows for an easier, more accurate start (without a pilot bit) and significantly increases drilling speed by clearing debris more efficiently. 10mm (.395") High-Performance Segments: Extra-tall segments infused with premium synthetic diamonds ensure a deep wear layer, providing a superior lifespan even in hard-cured concrete with rebar. High-Runout Steel Core: Our 14" tubes are manufactured from high-grade, heat-treated steel to ensure the bit remains perfectly straight during deep-bore applications, reducing friction and preventing the bit from binding. Dual-Hub Versatility: Precision-threaded for a perfect fit. Smaller diameters feature a 5/8"-11 hub for handheld use, while larger diameters utilize the industry-standard 1-1/4"-7 for professional core rigs. Optimized Wet-Cutting Matrix: Specifically formulated to work with constant water flow to dissipate heat instantly, protecting the bond and extending diamond life during continuous drilling. 📐 Technical Specifications (GS Series) Diameter (Inch) Tube Length Hub Thread Segment Height 1" 14" 5/8"-11 10mm 2" – 5" 14" 1-1/4"-7 10mm 6" – 14" 14" 1-1/4"-7 10mm 💡 Pro Field Tip for Core Drilling: Pressure & RPM: Do not force the bit. Let the premium diamonds do the work. If you encounter heavy rebar, slow your drilling speed slightly and ensure maximum water flow. This lubricates the segments and prevents the metal matrix from 'glazing' over the steel reinforcement, ensuring a clean pass through the slab. 🏗 Diverse Material Applications Reinforced Concrete | Cured Concrete | Hard Brick & Block | Natural Stone | Masonry Structures | Industrial Flooring ❓ Professional FAQ Q: What is the benefit of the 'Split' segment?A: Split segments reduce the surface area in contact with the material initially, which makes the bit more aggressive and allows it to clear the slurry (mud) much faster, leading to higher productivity. Q: Can these diamond core bits be used dry?A: No. These are Wet Use Only bits. Constant water flow is mandatory to cool the segments and flush debris out of the deep 14" hole. 📦 International & OEM Procurement: Supreme Diamond Tools serves global rental fleets and industrial suppliers. For OEM specifications, private labeling, or bulk shipping from our Tianjin or Zhejiang hubs, please contact our technical export department. B2B & Fleet Supply: With 20+ years of diamond tool expertise, we support large-scale industrial projects. Request a Bulk Quote for Professional Pricing → Show more