Diamond Coated Twist Drill #65

Diamond Coated Twist Drill #65 is a high-speed twist drill built for precision in hard non-metallic materials. This medium-fine grit drill features a diamond coating on the tips to efficiently drill stone, ceramics, glass, and other tough substrates. The drills are made of superior high-grade steel for lasting durability and accuracy.

Note: the drill size indicated refers to the size before diamond coating, which preserves precise hole dimensions after coating. This design delivers clean, burr-free holes with reduced wandering in challenging materials.

• Diamond-coated tip for extended life and superior performance
• Medium-fine grit ideal for stone, ceramics, and glass
• High-speed steel body for rugged durability
• Pre-coating size reference ensures accurate hole sizing
• Precision ground flute geometry for smooth drilling in non-metallic materials

Whether you're a professional craftsman or DIY enthusiast, this diamond-coated twist drill empowers you to tackle stone, ceramics, and glass with confidence. Upgrade your toolkit and drill with precision—add to cart today.