Interstate 01345081 Drill Bit Set: Reduced Shank Drill Bits, 8 Pc, 1″ Drill Bit Size, 118 °, High Speed Steel G1381101 Includes pH Indicators Item Acid Includes pH Indicators Item Acid Neutralizer Standards OSHA 1917 Accuracy + 0 The Interstate 01345081 Drill Bit Set is ideal for large diameter drilling applications Drill Bit Set Type Reduced Shank Drill Bits Number of Pieces 8 Tool Material High Speed Steel Minimum Drill Bit Size (Inch) 9 16 Maximum Drill Bit Size (Inch) 1 Step Increments 1 16 Drill Point Angle 118 Coating Finish Oxide Point Type Standard Storage Unit Type Block Maximum Hole Size 1 Shank Diameter 1 2 in Contents (8) Reduced Shank Drills Coolant Through No Storage Unit Material Wood System Of Measurement Inch Tool Application Metalworking