Deli 6-Piece Tungsten Carbide Four-Blade Cross Bawang Drill Bit Set for Tile Drilling Hex Shank [3-10mm]

Smooth cutting hole walls, suitable for tile drilling without slipping

Fast and smooth drilling operation

CNC precision grinding with double back angle for faster and sharper drilling

Four-blade sharp triangular tip design

Universal hexagonal shank for wide application and compatibility

Durable and sturdy hexagonal connector suitable for lithium drills, hand drills, and bench drills

Tested for steel and wood drilling with high wear resistance and sharpness

Compatible with hand drills, cordless drills, and bench drills

Secure clamping prevents loosening during impact or heavy use

1. Not recommended for use with lithium batteries below 18V due to insufficient power

2. Use water cooling when drilling marble, vitrified tiles, or stainless steel to prevent drill bit burning

3. When drilling walls with steel reinforcement bars, change drilling position to avoid blade chipping caused by rebar contact

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