Field Tool Supply's 1-21/64" 4MT High-Speed TS Drill is engineered for precision and durability. With a 4 Morse taper (4MT) shank, it provides a secure fit in various drilling machines. Constructed from high-speed steel (HSS), this drill is designed to withstand high temperatures and wear, making it ideal for heavy-duty applications. Its dimensions ensure accurate drilling in a variety of materials, while compliance with industry standards guarantees reliability. Perfect for both professional machinists and hobbyists, this drill enhances your drilling capabilities.