“1-3/8×23-1/2 4-Tip Spline Viper Head Quad Cutter Drill” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 3/8x12 Spline Shank Single Cutter Drill Bit $57.99 Quantity $57.99 × 3/8x24 Duo-Bit Wide Flute Drill $34.99 Quantity $34.99 × 1-3/8x23-1/2 4-Tip Spline Viper Head Quad Cutter Drill $284.99 Quantity $284.99 Coupon: Apply coupon Update cart Cart totals Subtotal $377.97 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 $377.97 Proceed to checkout