KNOW YOUR DRILL BIT - DIAMETER: 4 mm; WORKING LENGTH: 50 mm; OVERALL LENGTH: 110 mm; TIP STYLE: Flat tip; FLUTE TYPE: Spiral; MATERIAL: Alloy Steel; TIP MATERIAL: Tungsten Carbide; USE FOR: Brick, Masonary, Conrete; DO NOT USE: Wood, Metal
TUNGSTEN CARBIDE PRECISION TIPS - Superior hardness ensures consistent performance when drilling through concrete walls, brick, marble, granite and stone surfaces without tip wear, perfect for home renovation projects and professional construction work.
HIGH QUALITY ALLOY STEEL BODY - Precision-hardened high-quality alloy steel construction prevents bending or breakage during intensive drilling, ensuring reliable performance for contractors, builders, and DIY enthusiasts.
DOUBLE FLUTE ANTI-CLOG DESIGN - Efficient debris removal system prevents material buildup and overheating, maintaining consistent drilling speed for continuous operation in commercial and residential construction projects (WARNING: Not suitable for metal or wood drilling)
EASY CARE & MAINTENANCE - Clean drill bits and remove debris after each use. Store in provided plastic tubes to prevent damage, and apply light oil coating periodically for rust prevention and extended tool life in humid climate conditions
