6 Pcs Twist Drill Bit Set,3-8Mm Titanium High-Speed Steel Drill Set for Machinists for Drilling Screwing Boring Carving Cutting Polishing Durable Plunge Drill Bits

Product Name: 6Pcs Titanium Coated Serrated Twist Drill Bit SetQuantity: 6 PiecesSize Specifications3mm Drill Bit: Total Length 59mm4mm Drill Bit: Total Length 69mm5mm Drill Bit: Total Length 80mm6mm Drill Bit: Total Length 85mm6.5mm Drill Bit: Total Length 85mm8mm Drill Bit: Total Length 95mmCompatible Equipment：Fits most standard electric drills, bench drills, cordless power drills with standard 3-jaw chucksApplicable Workpiece Materials：Solid wood, MDF, multilayer boards, plastic, aluminum, thin soft iron sheets & thin non-ferrous metal sheetsFunctional Capabilities：Drilling, boring, grooving, carving, surface polishing, horizontal slotting after pre-drilling

• High-Grade Titanium-Plated High-Speed Steel Construction：Made with premium high-speed steel substrate and a titanium coating, these drill bits feature enhanced surface hardness and wear resistance. The robust build withstands frequent heavy-duty use, maintaining sharp cutting performance over long-term operation without premature dulling
• 6-Size Assortment for Wide DIY & Professional Use：This set contains 6 commonly used sizes: 3mm, 4mm, 5mm, 6mm, 6.5mm, and 8mm. The full size range covers most daily drilling jobs, making it suitable for both hobbyist craft work and professional metal or wood machining tasks
• Multi-Functional Cutting & Drilling Performance：Designed with serrated flutes and ultra-sharp cutting edges, these bits support drilling, boring, carving, grooving, and polishing. The chip-clearing flute structure keeps material shavings flowing smoothly to avoid clogging, delivering clean, precise cuts every time
• Stable Anti-Walk Drilling Design：The 135° split point tip prevents bit wandering at the start of drilling, so you can position holes accurately. The reinforced shank structure ensures steady rotation when used with most standard electric drills and bench drills, improving operational stability
• Broad Compatibility Across Materials：Works efficiently on solid wood, MDF, multilayer boards, plastic, aluminum, and thin soft metal sheets. This versatile tool kit fits home renovation, furniture assembly, and handmade craft projects, meeting diverse material processing demands