3pcs HSS Titanium Coated Step Drill Bit

Automatically Deburrs Holes As You Drill 

Two-Flute Design Gives You Faster And Smoother Cutting 

Titanium Nitrite Coating For Cooler Running 

Quick-Change 1/4'' Hex Shank 

High Speed Steel For Long Life 

These Step Drill Bits Are Ideal For Variety Of Materials From Metal, Plastic, Fiberglass To Wood 

They Also Help To Enlarge Existing Holes 

The Two Flute Design Tips Can Make The Penetration Faster Without Chipping  

Specification: 
Material: HSS
1/4'' Hex Shank
Sizes: (approx.)
3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm/ 0.12, 0.16, 0.20, 0.24, 0.28, 0.31, 0.35, 0.39, 0.43, 0.47 in
4-12mm: 4, 6, 8, 10, 12 mm/ 0.16, 0.24, 0.31, 0.39, 0.47 in
4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20 mm/ 0.16, 0.24, 0.31, 0.39, 0.47, 0.55, 0.63, 0.71, 0.79 in

4241 High-Speed Steel HSS (Suitable For Use In The Work pieces Whose Hardness Is 25 Degrees Such As Carbon Steel, Plate, Insulation Board, and Wood Board) 

NOTE: Please allow 10-25 Business Days for shipping 

Click ADD TO CART to grab yours now!

Here's our 5-point promise

• Complete tracking information provided updated at every stage of the process till the package reaches your doorstep
• Reliable insured worldwide shipping solution (7-16 working days on average) No more missing or damaged packages
• 5 day money back guarantee If you are not satisfied. we will make it right!
• Real humans on customer support help desk Guaranteed satisfactory response every single time
• Safe SSL encrypted payment via PayPal (with Paypal Buyer Protection) OR credit cards