- Constructed from high-quality high-speed steel, this drill bit ensures long-lasting durability and delivers exceptionally precise cuts in a single pass, making it ideal for pocket hole joinery. - Versatile in function, it is perfect for wood hole punching and positioning, as well as punching through aluminum and thin metals. It is recommended to use with corded high-RPM drills for optimal performance. - Features a round shank and a 1/4” hex shank, with a shank size of 3/8" (9.5mm). The inner diameter of the positioning ring is also 3/8" (9.5mm), and it has a peak diameter of 0.16" (4mm). The total length of the bit is 6.3" (160mm). - Compatible with most popular pocket hole guides, this bit's 3/8" (9.5mm) diameter steps down to about 3/32" (4mm), making it an excellent choice for precise hole placement. - Ideal applications include creating strong joints in woodworking projects, efficiently punching holes in aluminum for fabrication, and accurately positioning holes in thin metal for assembly. - Reliable and efficient, this drill bit not only meets professional standards but also simplifies your projects, ensuring you achieve clean and accurate results every time.