Achieve precise and efficient drilling with the VEVOR 4.25" Dry Diamond Core Drill Bit. Engineered with high-quality diamond grit and advanced aluminum alloy, this core drill bit ensures durability and rust resistance. It features high-frequency welding technology for sharp and wear-resistant diamond teeth, enhancing performance and longevity. The 5/8"-11 universal thread allows seamless installation on various drilling machines, making it versatile for different applications. Equipped with cooling chip removal holes, this drill bit minimizes noise and facilitates quick chip removal during operation. Ideal for hard concrete, masonry, and other tough materials, it includes a pilot bit and a hot-pressed corrugated saw blade for added convenience.
This versatile and durable diamond core drill bit is designed for precise drilling in hard concrete and various other tough materials, making it indispensable for construction and renovation projects.

VEVOR 4.25" Dry Diamond Core Drill Bit with SDS Plus Adapter for Hard Concrete:

• Premium diamond grit with high-frequency welded teeth for durability.
• 4.25" diameter, 9.5" drilling depth.
• 5/8"-11 universal thread for easy machine compatibility.
• Cooling chip removal holes for efficient operation.
• Includes pilot bit and hot-pressed corrugated saw blade.

Specifications:

• Model: COREDRILL4.25IN
• Material: Diamond & Aluminum Alloy
• Bit Diameter: 4.25 in / 108 mm
• Bit Depth: 9.5 in / 241.3 mm
• Thread: 5/8 in - 11
• Net Weight: 5.9 lbs / 2.7 kg

Package Includes:

• 1 x Diamond Core Drill Bit
• 1 x Pilot Bit
• 1 x Hot-Pressed Corrugated Saw Blade