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Tap & Drill Chart: Reference of Drill and related hole sizes

Trippe Supply Co. Inc. has been your wholesale source for quality name brand tools and supplies since 1977. We offer a wide variety of power and hand tools, supplies for industry, construction & welding at low competitive prices. We offer same day service within the greater Baltimore and Washington D.C. areas on instock items. We accept American Express, Discover, Mastercard, and Visa; as well as municipal, government, institutional and school purchase orders. Credit accounts are available with pre-approved application. Repair service is also available for electric and pneumatic tools, welding equipment, and small construction equipment. See the list of products we offer.