Cheap And Discounts STONEGO 10PCS HSS6542 Tap Drill Bit Set - Metric Thread Taps for M1-M3.5 - Sizes M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 M3 M3.5 Wholesale. Buy Directly From Merchant STONEGO Tools Factory Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.