1/4-3/4 Inch Four Spiral Flute Step Drill Bit, M2 High Speed Steel 1/4" Hex Shank Step Drill Bit for Metal, Steel, Aluminum, Plastic Hole Drilling Cutting, 9 Step Size Step Bit Path Lights Extends and fortifies oil-based paints

Extends and fortifies oil-based paints and coatings

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3" overall height (including post)

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✿10mm Thick Design: The base of this product has been thickened for greater durability and wear resistance

1/4-3/4 Inch Four Spiral Flute Step Drill Bit, M2 High Speed Steel 1/4" Hex Shank Step Drill Bit for Metal, Steel, Aluminum, Plastic Hole Drilling Cutting, 9 Step Size Step Bit Path Lights Extends and fortifies oil-based paintsAbout this item DURABLE MATERIAL: ALDIPRO step drill bit made with M2 high speed steel material and advanced industrial grade nitride coating. Our drill bit has excellent heat resistant, anti wear and anti corrosion function, and improves the hardness of the drill. Compared with other step bit, it is superior in hardness and longer in service life. FOUR SPIRAL FLUTE: Four cutting blades design guarantees a faster and smoother cutting. Prevents metal