Generic VEVOR Dry Core Drill Bit 4.25/108 mm Diameter 5/8-11 Shank Arbor with a Pilot Bit

Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure a longer coring life. A pilot bit and an extra 4.5″/114.3 mm blade is included to increase your efficiency. Engineered for Exact Fitting: With a 5/8″-11 universal thread, this core drill bit allows easy and rapid assembling to a standard fixed core or handheld drilling machine. It is compatible with most concrete core drill devices. Humanized Structure: Our diamond dry coring bit features chip removal holes, highly regular sawteeth, and concentric axes design. The innovative construction provides high drilling performance while keeping a long lifetime. Simple Operation: The core drill can be used to contain your multiple work needs for both dry and wet. Start drilling at the vertical position, then continue to dig deep, and you will get a perfect hole in a second. Versatile Applications: Our concrete core drill is fabulous for drilling hard concrete, masonry, hard brick, and other hard materials. It is widely used in installing air conditioners, pipes, stair railings, highways, airports, and other conditions. Friendly Note: 1. The positioning drill inside shall be adjusted back and forth to find a suitable position before operation. 2. Diameter 1.5-2.0mm holes shall be drilled with electric hammer, and large diameter holes shall be drilled with drill (water drill). 3. It can only be used for concrete brick wall opening, not for stone granite.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.