Dongcheng Twist Drill Bit Full Grinding Stainless Steel Special Drill Bit Metal Super Hard Steel Plate Alloy Drill Bit Steel Drill Bit 5.2mm

Precisely ground cutting edges for smooth drilling.

Specially ground 135° double back angle drill tip for high impact toughness and sharpness.

U-shaped groove design for smooth chip removal, preventing clogging and ensuring uninterrupted drilling.

Suitable for multiple materials including steel plates, stainless steel, aluminum alloy, copper plates, wood, and plastic.

Fast and efficient drilling with clean, smooth hole surfaces.

Stable hole diameter with minimal contamination or debris adherence.

Strong and durable, resistant to breakage and wear.