Core drills are typically used to open out existing holes with more stability than a standard drill. In hole making workflows, they’re often the dependable step between a pilot hole and final finishing, helping improve roundness and control. Ideal when you need a cleaner enlargement before reaming or other finishing operations.
Filters
Showing 2 products
Category
HSS
Standards
Type
Taper Shank
Coating
Category
HSS
Standards
Type
Parallel Shank
Coating
A core drill bit is useful when an existing hole needs to be enlarged with better control than a standard drilling operation. It helps prepare the hole for the next machining stage, especially when users need improved stability before reaming, finishing or further precision work.
In repeated production cycles, hole preparation affects the accuracy of the final operation. Core drills help maintain better alignment and reduce variation during enlargement, making them suitable for applications where hole size, roundness and surface preparation need to remain consistent across multiple components.
Addison offers HSS core drills in taper shank and parallel shank series, manufactured to IS, DIN, ISO and BS standards. With White, BT and TiN coating options, the range supports dependable core drill bit performance for workshop, maintenance and industrial hole-making applications.
