JelBo Spiral Groove Step Drill Bits, 1/4'' Hex Shank HSS Titanium Coated Step Drill Bit Kit with Impact Driver for DIY Woodworking, Metal, Plastic(3Pcs/Set 4-12/4-20/4-32mm)

SPECIAL FEATURES:
✔ 1. Titanium alloy coating reduces friction and they are more durable than uncoated drill bits.HSS(High speed steel) has a longer service life.
✔ 2. The tapered design is suitable for drilling larger and deeper holes, or enlarging the aperture in areas where it has been drilled.

MEASUREMENT:
#4-12 5 Steps (Diameter 4, 6, 8, 10, 12mm)
#4-20 9 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
#4-32 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

PACKAGE:
❤ 3 x Step drill bits

About Us
1.High Performance Product
â–¶ In our store, we guarantee to provide high quality products for you with a good price.

2.Professional Services
â–¶ In our store, if you have any doubts about our products, we will provide you with professional, caring sales service.

â–¶ 3.Efficient Logistics Speed
Professional FBA distribution, greatly reducing your waiting time and the risk of packet loss.

4.Product Guarantee
â–¶ To provide you with 2 years of product guarantee, 365 days,throughout the year to provide you with quality product protection.