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• 【Size】 Pack of 10 pcs 5*2+6*4+8*2+10+12MM masonry drill bit set, shank diameter: 6.3MM. Quick coupling shank drill rod included
• 【Precision Drilling】Crisscross Serrated Tip Design – Eliminates skidding and deviation common with traditional drill bits. Ensures exact hole positioning, especially on smooth surfaces like tiles & glass—no more frustrating re-drilling
• 【Universal Drilling】One Bit for All Jobs! Easily drills through wood, plastic, brick, masonry, tiles, and even glass/marble! Tungsten carbide tip + hardened steel body delivers powerful penetration, even in concrete (avoid rebar). Use with coolant for longer bit life
• 【High-Efficiency Chip Removal】Deepened Spiral Flute Design – 50% faster drilling with smooth debris ejection. Prevents clogging for cleaner, uninterrupted deep/hole drilling—saves time & effort
• 【Fits Most Drills】6.3mm quick-fit hex shank With a quick-change connecting lever, it can help to install and remove the drill bit quickly – Compatible with all standard drills & bench drills. Extended bit length for hard-to-reach spaces. Best used with 2000-5000 RPM drills (24V+ cordless recommended for tough materials)
• bit&adapter
• 3/16" (5mm): Overall length-3 7/8" (98mm); Blade length-3/8" (10mm); Working depth-2 1/4" (58mm)
• 1/4" (6mm): Overall length-4" (100mm); Blade length-3/8" (10mm); Working depth-2 1/4" (58mm)
• 5/16" (8mm): Overall length-4 1/2" (115mm); Blade length-1/2" (12mm); Working depth-2 15/16" (74mm)
• 3/8" (10mm): Overall length-4 3/4" (120mm); Blade length-1/2" (13mm); Working depth-3 1/8" (80mm)