“1×23-1/2 4-Tip Spline Viper Head Quad Cutter Drill” has been added to your cart. Continue shopping “21/32 x 8-1/4 Overall Length High Speed Steel Carbide Tipped Taper Shank 4 Flute Core Drill Bit” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 7/8" Diameter - Annular Cutter - High Speed Steel - 3" Depth of Cut $177.99 Quantity $177.99 × 5/16x12-5/8 Thunder Twist SDS-Plus+ Drill Bit $22.99 Quantity $22.99 × 1x23-1/2 4-Tip Spline Viper Head Quad Cutter Drill $145.99 Quantity $145.99 × 21/32 x 8-1/4 Overall Length High Speed Steel Carbide Tipped Taper Shank 4 Flute Core Drill Bit $142.99 Quantity $142.99 Coupon: Apply coupon Update cart Cart totals Subtotal $489.96 Shipping Enter your address to view shipping options. Calculate shipping Country / region Select a country / region… United States (US) State / County City: Postcode / ZIP: Update Tax $0.00 Total $489.96 Proceed to checkout