U-Letter Jobber Drill Bit (Heavy Duty) 5 inches; Cutting length: 3-5/8 inches; Diameter: 0.368 inches (approx. 3/8 inch)

This drill bit is made entirely from premium high-speed steel (HSS), ensuring high hardness, excellent heat resistance, and durability for heavy-duty drilling tasks. It features a 135° split point tip designed to reduce walking and enable precise hole starting. The bit is coated with black oxide and finished with a gold layer, which together provide enhanced corrosion resistance and reduce friction during drilling operations. The shank is a U-letter jobber type, allowing for secure chuck grip and compatibility with standard drill chucks. The overall length of the bit is 5 inches, with a cutting length of 3-5/8 inches, and a diameter of 0.368 inches (approximately 3/8 inch).