Engineering Specification Sheet

Tile & Porcelain Core Drill Bit Technical Spec Sheet

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Contractor-Grade Specification: All Quality Diamond Blades products are engineered and tested in accordance with ANSI B7.1 safety standards and OSHA 29 CFR 1926.1153 Table 1 silica guidelines.

Engineering & Operating Parameters

Parameter / Specification Certified Engineering Value
Diamond TechnologyVacuum-Brazed Industrial Synthetic Diamonds
Segment Height10mm - 15mm Brazed Diamond Rim
Cooling TechnologyInternal Paraffin Cooling Wax (3/16"–1/2") + Side Slurry Ejection Slots (3/4"–5")
Thread / Shank5/8"-11 Angle Grinder Female Thread + 3/8" Quick-Change Hex Drill Adapter
Max RPMUp to 10,000 RPM (Angle Grinders) / 1,500–3,000 RPM (Rotary Drills)
Wet/Dry OperationEngineered for High-Speed Dry Drilling (Wet operation extends tool life)
Diameters Available3/16", 1/4", 5/16", 3/8", 1/2", 3/4", 1", 1-1/4", 1-3/8", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4", 4-1/2", 5"
Target MaterialsVitreous Porcelain Tile, Ceramic, Granite Countertops, Marble, Quartzite, Dekton, Glass
Plumbing Applications1-3/8" (Faucet/Sink), 1-1/4" - 1-1/2" (Shower/Tub Valves), 4" (Toilet Drainage Flange)
Edge Finish QualityClean, 100% Chip-Free Perimeter without Blowouts or Surface Cracking