6pcs HSS Step Drill Bit Set and Auto Grain, with Titanium Coating and Aluminum Case, Multi-Hole Step Drill Bit Kit for Plastic, Wood, Metal

Scope of delivery: this step drill includes a 5-step drill and 1 center automatic drill. You can process 50 different kinds of diameter holes with this 5 piece drill bit.
Titanium Coating: These pitch bits are made of high speed steel with titanium coating, ensures durability and sharpness in hold, can reduce friction, cool cooler..
Automatic Center Punch: The center punch can help you mark the center point of the hole you want to drill and make your process easier.
Additional Usage: Our running board bits are designed to easily cut/drill through steel sheets, aluminum sheets, wooden panels, plastic panels, etc. (without steel or any other harder metal). Suitable for home DIY and general construction and engineering
Aluminum storage case: Our all drills are all in an aluminum box for your convenience and storage. And the aluminum shell does not easily protect the drill bit from dulling and prolongs the life of the drill.

Automatic center punch
The center punch can you help mark the center point of the hole you want to drill, make your operation easier.
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Titanium coating</ p> Titanium coating ensures exceptional durability and sharpness which can reduce friction and keep the cooler running. The hex shank fits into all power tools more easily and safely.
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Application widely</ p> These step drill bits are designed to easily cut/drill through steel sheet, aluminum sheet, wooden board, plastic board, etc. (excluding steel or any other harder metal.)
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Package includes
This kit includes 5 punch pieces and 1 auto center punch piece. And all of them all come in an aluminum box for your convenience and storage.
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