“Core Bit Extension – 6″ Long, 1-1/4″ Dia. – 7 Thread” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 1/2x18 Cyclo Twist Fast Spiral Drill $21.99 Quantity $21.99 × Core Bit Extension - 6" Long, 5/8" Dia. - 11 Thread $134.99 Quantity $134.99 × 1" - Annular Cutters - Tin Coated - 2" Depth of Cut $110.99 Quantity $110.99 × 5/8x18 Thunder Twist SDS-Max Single Cutter Drill Bit $78.99 Quantity $78.99 × Core Bit Extension - 6" Long, 1-1/4" Dia. - 7 Thread $176.99 Quantity $176.99 Coupon: Apply coupon Update cart Cart totals Subtotal $523.95 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 $523.95 Proceed to checkout