SAMXY HSS Step Drill Bits 3 Piece Titanium Coated Spiral Grooved Step Drill Bit 1/4" Hex Shank Drill bit for Plastic, Wood, Metal Multi-Hole Taper Drill bit Set for DIY Lovers 31 Step Sizes in One Kit

SAMXY step drill bits set
31 individual drill bits in 3 pieces step drill bits, which saves you a lot of trouble and space.
HSS step drill bits are constructed from traditional HSS combined with a titanium nitride coating to make them even more durable.
The step drill bit set is compatible with majority brands of electric drills or bench drills on the market. It comes with a tool kit, which is easy to store and carry.

Bit Sizes


13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch)
12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)
6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch)


Increased Cutting Speed
118 degrees split point tip provides faster cutting and prevent sliding while increasing the wear resistance.


Accurate Sizes
Laser engraved reference marks on each bit offer superb convenience and accuracy, ideal for drilling required diameter holes in metal and plastic.


Two Flute Spiral Design
Two flute spiral design also lets the material particles escape easily for a much more clean drilling operation. The service life of the drill bit is greatly increased.


Universal Compatibility
This t1/4" hex shank is compatible with the common electric drills and bench drills on the market,while you work knowing that your drill bit is securely in place.

Wide Application
The high-speed steel step drill bit great for sheet metal, aluminum sheets, wood chips, plastic and wood board. It’s a perfect choice for DIY and engineering use.

Tips
Not compatible with hammer drill.
It is recommended to oil the bit before every use.
Please drill a smaller hole to make drilling smoother.
Please do not set drilling speed too high to avoid damages to cutting edge.
The metal material on which you want to drill should not exceed 0.18-inch in thickness.