"Premium 6-Piece M3 to M12 High-Speed Steel Tapping Drill Bit Set – Corrosion-Resistant for Wood, Metal, Walls & Jewelry Making – Precision Ground Flutes for Smooth Drilling – Includes Sizes 3mm to 12mm" (Alternative variations with randomness: 1.

Features:

Applications: The drill bit is suitable for drilling in tile, glass, concrete, brick, wood, and plastic. Many in easy install and using.Material: High quality carbide with a reinforced head pointed design strong tungsten carbide tip can easily penetrate various materials. that prevents bit cracking and provides a longer lift.U Type: U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill.6mm Bits: This drill bits set is of 6mm size which is suitable for most woodworking or home decoration work or factory usages.

Customer Service: If you have any questions or suggestions, please feel free to contact us.

Specifications:

Material: Steel

Screw Thread Type: 55 degrees cylindrical pipe thread

Screw Tap Type: Straight

Note: 

When drilling hard material ( glass, porcelain floor tile, marble or granite), please use water for lubrication.

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