“5/16″ Diameter x 18″ Overall Length – 3-3/16″ Flute – Extra Long Drill Bit” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 1-1/32" Diameter - Cobalt 3/4" Reduced Shank Drill Bit - 6" Overall Length - 3" Flute - 135 Degree Notched Point $157.99 Quantity $157.99 × 5/16x12 Cyclo Twist Fast Spiral Drill $13.99 Quantity $13.99 × 15.00 mm - Metric Extra Length Drills - 12" Overall Length - 9" Flute Length $94.99 Quantity $94.99 × 3/8x54 Bellhanger with 3/16 Flexible - Thread Flute $64.99 Quantity $64.99 × 5/16" Diameter x 18" Overall Length - 3-3/16" Flute - Extra Long Drill Bit $30.35 Quantity $30.35 Coupon: Apply coupon Update cart Cart totals Subtotal $362.31 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 $362.31 Proceed to checkout