VEVOR Diamond Core Drill Bit is built for heavy-duty drilling through reinforced concrete, brick, and masonry materials. Featuring a 4.25-inch diameter and a maximum drilling depth of 14 inches, this wet coring bit delivers precise and efficient hole cutting for construction and installation work. The laser-welded diamond segments provide superior durability and long service life, while the wet drilling design reduces dust and heat buildup for smoother operation. Equipped with a saw blade and universal 1-1/4"-7 inner thread, this core drill bit is compatible with water drills and core drill rigs, making it ideal for professional contractors and demanding job sites.

Key Features

• High-quality diamond segments for efficient and durable drilling

• Laser welding technology for strong and long-lasting performance

• Wet drilling design helps reduce dust and improves cutting efficiency

• Large 4.25 in / 108 mm diameter for precise hole drilling

• Maximum drilling depth of 14 in / 355 mm for deep coring tasks

• Includes saw blade for improved drilling performance

• Universal 1-1/4"-7 inner thread compatible with core drill rigs and water drills

Specifications

• Product Type: Tools & Home Improvement > Power Tool Accessories > Core Drill Bits

• Item Model Number: 108400BC

• Diameter: Φ 4.25 in / 108 mm

• Maximum Core Depth: 14 in / 355 mm

• Adapter Specification: Inner Thread 1-1/4"-7

• Welding Method: Laser Welding

• Wet/Dry Application: Wet

• Compatible Machines: Water Drill, Core Drill Rig

• Compatible Cutting Materials: Reinforced Concrete, Red Brick, Concrete, Foam Brick, etc.

• Product Dimensions: 18.5 x 4.3 x 4.3 in / 470 x 108 x 108 mm

• Net Weight (Including Accessories): 6.7 lbs / 3.04 kg

• Usage: Concrete and masonry drilling for construction and installation projects

• Suitable For: Contractors, construction workers, and professional drilling applications