“21.50 mm – Silver & Deming Drill Bit – Metric 1/2″ Shank” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 2-1/2" Percussion Core Drill - Taper Fit $332.99 Quantity $332.99 × 21.50 mm - Silver & Deming Drill Bit - Metric 1/2" Shank $64.99 Quantity $64.99 Coupon: Apply coupon Update cart Cart totals Subtotal $397.98 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 $397.98 - Proceed to checkout