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The Chicago-Latrobe 790 series regular length spotting bit is made from solid carbide with an uncoated (bright) finish and has a 120-degree conventional point for drilling a pilot hole for a 118-degree secondary drill bit into hard materials. Solid carbide is harder than high-speed or cobalt steel, provides longer tool life at higher speeds, and produces close-tolerance holes in hard materials. The uncoated finish has no additional surface treatment or coating. A spotting drill bit is used to drill a pilot hole, which reduces walking and improves hole accuracy for the secondary drill bit. This spotting drill bit has a 120-degree conventional point that drills a shallow pilot hole to guide a second drill bit with a 118-degree point. The round shank accommodates most drill chucks.
spotting-drill-bitsChicago-Latrobe manufactures drill bits and accessories, reamers, countersinks, and blanks. The company, founded in 1890 and headquartered in Clemson, SC, meets International Organization for Standardization (ISO) standard 9001.
J
2025-05-17 14:11:31
Great USA quality
Matt
2024-12-30 10:51:15
Poor quality and customer service.
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