3pc/set 4-20/32MM HSS Cobalt Step Drill Bit Set

3pc/set 4-20/32MM HSS Cobalt Step Drill Bit Set Nitrogen High Speed Steel Spiral For Metal Cone Triangle Shank Hole Metal Drills   Feature: Specifical step design, one drill for many sizes, very convenient. Durable. Cutting material: iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.The hole with a drill can play a variety of. Specifications: Type:step drill bit set Material:high-speed steel Size:4-12mm,4-20mm, 4-32mm Package Included: 1x 4-12mm drill 1x 4-20mm drill 1x 4-32mm drill          CLICK ‘ADD TO CART’ TO GET YOURS Satisfaction Guaranteed With Every Order. All prices are listed in USD. Shipping Info:                                                                          - Estimated Delivery Time: US 10-25 Days; Worldwide 15-30 Days.   OUR GUARANTEE We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance.