MULTICONSTRUCTION BIT

摘要

Jack-of-all-trades I like nothing more than trash-ing tools that have unrealistic manufacturers' claims, so when I heard that Bosch was bragging about a bit that can be used to drill wood, plastic, metal, concrete, and tile, I geared up for a torture test. I started by chucking one of the bits-which look like sharper versions of carbide-tipped masonry bits-into my impact driver and boring holes into the granite boulders that a glacier left in my backyard. I figured the edges of the bit would be so beat when I was done that they would never bore through anything else. But the noticeably dull bits still cut through wood and heavy-gauge steel, although the holes in both were definitely rough.