Cheap And Discounts 1PCS 13.5mm-16mm High Speed Steel Titanium Coated Straight Shank Twist Drill Bits For Metal ( 13.5mm/14mm/14.5mm/15mm/16mm) Wholesale. Buy Directly From Merchant XJ NC tool shop. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.