Silverline Diamond Core Masonry Drill Bit 107mm x 150mm 155487

Silverline Expert Diamond Core 107mm x 150mm Masonry Drill Bit

Barcode: 5055058104359

Code: 155487

Overview:

Expert Diamond Core 107mm x 150mm Masonry Drill Bit a heavy-duty core bit designed for drilling clean, accurate large-diameter holes in masonry without hammer action. Built with a tough steel body and diamond cutting segments, it’s ideal for dry cutting through materials such as brick, block and masonry to create openings for plumbing, heating and ventilation installations. Use it for waste pipes and ducts, boiler flues, cable routes and general building work where a neat, round hole is needed. Designed to run with a compatible 1/2" BSP arbor and a drill fitted with a safety clutch for controlled, safer operation.

Key Features

• 107mm diameter core bit for large service holes

• 150mm core length for common wall thicknesses and deep cuts

• Diamond cutting segments for clean dry drilling in masonry

• Heavy-duty steel body for strength and stability under load

• Produces a neat, circular cut ideal for pipes, ducts and cable runs

• Suitable for general building, plumbing and HVAC installation work

Specifications

• Brand: Silverline Expert

• Product Type: Diamond core masonry drill bit

• Code: 155487

• Barcode: 5055058104359

• Size: 107mm diameter x 150mm length

• Body Material: Heavy-duty steel

• Cutting Edge: Diamond segments (dry cutting)

• Arbor Compatibility: 1/2" BSP compatible arbor (not included)

Applications

• Drilling service holes for plumbing and waste pipes

• Creating openings for boiler flues and ventilation ducting

• Cable and conduit routes through brick and blockwork

• General building and installation work requiring clean large holes

How to Use

• Fit the core bit to a 1/2" BSP compatible arbor (not supplied)

• Use a drill equipped with a safety clutch for controlled operation

• Start slowly to establish the cut, then maintain steady pressure

• Keep the bit square to the wall for a clean, accurate hole

• Clear dust build-up as needed to maintain cutting performance

Important

• Do not use hammer/percussion mode it’s unsafe, reduces performance and can damage the bit and drill.

Expert Diamond Core 107mm – Key FAQs

• What materials can this core bit drill?
  It’s designed for masonry such as brick, block and similar building materials when used correctly without hammer action.

• Is it for dry cutting?
  Yes, the diamond segments are intended for clean dry drilling in masonry.

• What is the hole size?
  The core bit diameter is 107mm, suitable for larger pipework, ducting and service penetrations.

• What do I need to fit it to my drill?
  You’ll need a 1/2" BSP compatible arbor and a drill with a safety clutch.

• Can I use it on hammer mode to speed things up?
  No hammer action is counterproductive, can be dangerous, and can damage the core bit and your drill.

• How do I get the best results?
  Keep the bit square, start slowly, apply steady pressure and clear dust regularly to help the segments cut efficiently.