Cheap And Discounts Step Drill Bit for Metal, 1/8''-1/2'' Spiral Flute Step Drill Bit 1PC, Wear-Resistant AlTiN Coated for Metalworking Wholesale. Buy Directly From Merchant EZARC Global Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.