4"x1-1/2" Steel Tap Drill

The 4"x1-1/2" Steel Tap Drill is a specialized tool designed for creating precise holes for taps in various materials, primarily metal. Its dimensions, 4 inches in length and 1-1/2 inches in diameter, make it ideal for heavy-duty applications where strength and durability are required. This particular tap drill has a designation of 1-5/16-12, indicating it is intended for tapping internal threads that correspond to a 1-5/16" diameter with a 12 threads per inch pitch, making it suitable for a range of machining tasks. Historically, tap drills have been used in the manufacturing and metalworking industries to facilitate the production of threaded holes for bolts and screws, which are vital for assembling components in machinery, automotive, and construction applications. The unique feature of this drill lies in its robust steel construction, which enhances its lifespan and performance under challenging conditions. Additionally, the precision design ensures that holes are drilled accurately, contributing to the integrity of the final assembled product.