Precise Self Starting Step Drill, Tin Coated, 1/4 – 1-3/8 by 1/8ths – 500-876

Precise Self Starting Step Drill, Tin Coated, 1/4" - 1-3/8" by 1/8ths - 500-876 Made of high speed steel, heat treated and tempered for maximum strength. Requires no center punch to start drilling. Automatically deburrs drilled holes. Specifications: Model