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The MILWAUKEE 48-89-4815 is a SHOCKWAVE impact-duty titanium jobber length drill bit built for use with both drills and impact drivers. It features a variable RED HELIX design with an aggressive 35-degree helix angle that transitions down to 15 degrees, promoting rapid chip removal and limiting heat buildup during drilling. The 135-degree split point tip delivers a precise, no-walk start for accurate hole placement. The titanium coating extends service life up to 3 times longer than standard black oxide bits. Licensed electricians, plumbers, and general trade contractors rely on this bit for everyday drilling in metal, wood, and multi-material applications.
This bit is suited for residential and commercial job sites where impact-ready tooling is required. The SHOCKWAVE geometry is engineered to withstand the high-torque, intermittent-load output of impact drivers without bit breakage or premature dulling. Metric sizing makes it appropriate for applications requiring metric hole dimensions. Its compact profile and standard jobber length allow use in tight-access areas common in mechanical and electrical rough-in work.
Designed as an impact-duty replacement or addition for standard jobber length drill bit sets used in trade and construction applications with 3/8-inch or 1/2-inch chuck drills and impact drivers.
Installation of this drill bit requires seating it fully and securely in the chuck before operation. Ensure the drill or impact driver is powered off and the trigger is locked out before changing bits. Use appropriate eye protection and secure workpieces before drilling. Follow applicable OSHA and job-site safety guidelines for rotary tool operation.
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