4" Carbide Core Drill

Specifications:

• Size: 4" Core Bit
• # Teeth: 9
• 4” Overall Length / Taper
• Part #: 719CB0100

Popular Uses:

• Perfect for creating large diameter holes in concrete for HVAC installations
• Ideal for drilling deep holes in masonry for plumbing applications
• Commonly used in construction and renovation projects for heavy-duty drilling tasks

Instructions:

• Remember to wipe off any oil or lubricant from the taper of the extension and the inner taper of the core bit before use.
• Begin by inserting the pilot drill into the drive extension.
• Then, insert the drive extension into the core bit securely.
• Start drilling the hole until the core bit reaches a depth of 3/8”.
• Use the ejector key to push out the pilot drill safely.
• Continue drilling until the core bit is filled with the material, typically around 3” deep.
• If needed, break the drilled material inside the core bit with a chisel.
• Repeat the process until you achieve the desired hole depth.

Important Notice: