Cheap And Discounts YZH 60L Twist Drill Diameter D1-D6/D1.05-D4.95 HRC50/55/65 CNC Straight Handle Drilling Hole For Metal Wholesale. Buy Directly From Merchant YZH Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.