Taper Shank Oil Hole Drill 13mm$67.80 Contact Us SKU: 5543 Category: Oil Hole Description Description Taper shank oil hole drill,. 3/8 diameter, 7-5/8 overall length, 3-1/2 flute length. Made in the USA. You Maybe Interested In Related products Michigan Drill High Speed Steel 15.25 inc. $195.19 Contact Us Taper Shank Oil Hole Drill Contact Us