Maximum Depth of Bronze or Steel Nut: 1-1/4. Size (inch): 5/8. Overall Length (inch): 6-1/4. Thread Length: 3-3/16. Maximum Depth of Brass or Cast Iron Nut: 1-7/8. Material: High Speed Steel. WWW Size: .6250", 5/8". Threads per Inch: 8. Cutting Direction: Left Hand., Manufacturer: Select