OSG Carbide Drill 3XD - WD1 Coated Oil Hole Drilling - Through Coolant - 7.94 (5/16) Indexable and through‑coolant capability makes it

and through‑coolant capability makes it well-suited for engineers

while the bright metric finish supports consistent surface finishes across a range of applications

repeatable measurements for left-hand thread applications and tight quality control across parts

and enthusiasts who need dependable hole finishing

organized storage for workshops and facilities

OSG Carbide Drill 3XD - WD1 Coated Oil Hole Drilling - Through Coolant - 7.94 (5/16) Indexable and through‑coolant capability makes itThe OSG Carbide Drill 3XD with WD1 coating and through coolant capability is a precision solid carbide drill built for professional machining. With a 5 16 inch diameter and a 3XD length to diameter ratio, it delivers rigid, accurate holes across a range of materials, from tough alloys to softer workpieces. The WD1 coating boosts wear resistance, while the through coolant design with an oil hole ensures efficient cooling and chip evacuation for longer