Engineering Specification Sheet

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
Segment Height20mm Roof-Top Laser Welded Segments
Diamond Grit25/30 Mesh Diamond Concentration
Segment TypeLaser-Welded Serrated Segments
Thread Connection1-1/4"-7 UNC Standard Rig Thread (5/8"-11 for Handheld)
Barrel Length14" & 18" Standard Depth (Custom lengths up to 48" available)
Diameters1" to 36" (Stock 1"–14", Commercial Heavy Civil 16"–36" Available — Call for Pricing & Availability)
ApplicationsHeavily Reinforced Concrete, Heavy Rebar, Granite, Cinder Block, Civil Infrastructure
Water CoolingContinuous Water Feed Required via Rotary Rig Spindle
Recommended RPM300 - 900 RPM (Speed matches diameter specifications)