People Four-Blade Serrated Eccentric Drill Full Ceramic Tile Hole Saw Cement Concrete Super Hard Alloy Drill Bit 8mm

Four-blade serrated eccentric design for efficient and fast drilling

Eccentric design enables quick chip removal and reduces clogging

Alternating serrated teeth for layered chip cutting, improving speed and efficiency

Hexagonal shank with double R-grooves for secure grip and no wobble during impact drilling

Four large chip removal grooves on the head for improved heat dissipation and dry drilling capability

Suitable for impact drilling and compatible with electric drills, impact drills, screwdrivers, and bench drills

High hardness and sharpness maintain performance after drilling over 420 holes

Can drill through tough materials including ceramic tiles, porcelain tiles, marble, granite, quartz, concrete, brick walls, wood, plastic, glass, steel plates, iron plates, aluminum alloy, and copper

Upgraded spiral grooves for rapid chip evacuation and prevention of drill bit overheating

Ideal for drilling in ceramic tiles, full porcelain tiles, marble, granite, quartz stone, concrete, brick walls, wood, plastic, glass, steel plates, iron plates, aluminum alloy, and copper

Dimensions are manually measured; actual product size may vary slightly

Choose appropriate drill bit size based on work requirements