Cheap And Discounts 1pc M13.5x1 tap HSS Steel Metric Thread Tap Tapping Tool Spiral Point Straight Fluted Screw Taps Tool Hand Tap Drill M13.5 x 1 Wholesale. Buy Directly From Merchant BY Metal Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.