• 4-1/2 in. nominal bit size outer diameter
• 1-1/4 in. - 7 thread size, 14 in. tube length
• Premium Series - designed to offer exceptional drilling life with smooth, steady effort
• Conforms to Diamond Core Drilling Manufacturers Association standards
Milwaukee Diamond Bits are designed for fast, efficient coring in a wide variety of concrete, including poured, steel reinforced and pre-stressed, as well as asphalt. Our PRE-STRESSED bits have diamond impregnated crowns of specific heights and with specifically designed waterways for SDS Maximum life in pre-stress applications. A 14 inch tube length is standard. The bit incorporates a threaded back for attachment to the Diamond Drill Motor. The Diameter of this bit is 4-1/2 inch and the thread is 1-1/4- 7.
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