Diamond Core Ejector Drift Key

Name: Diamond Core Drift Key | Dirt Cheap Trade Rates
SKU: DRIFT
Price: 0.75 GBP
Availability: InStock

SKU: DRIFT Category: Diamond Core Accessories Tag: content-updated

£0.75£0.90 EX VATINC VAT

A simple, solid drift key for ejecting pilot drill bits and arbors from diamond core drill bits. Keeps the job moving without fuss. Every core drilling kit needs one somewhere at the bottom of the bag.

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Description

The diamond core drift key is one of those tools that barely gets a second thought until you need it and don’t have one. It’s the standard tool used to eject the pilot drill bit, also known as the pilot pin or arbor, from a diamond core bit after drilling. A quick tap through the slot, and out it comes. Simple as that.

Diamond core bits are used on masonry, concrete, brick, and block for clean, precise holes used in plumbing, electrical, HVAC, and general construction work. The pilot drill sits inside the core to keep everything centred during the cut, but once the hole is done, it needs to come out. That’s where the drift key earns its keep. Without it, you’re improvising with whatever’s to hand, which is never a great idea when you’re working near cutting edges.

Why Every Core Drilling Kit Needs a Diamond Core Drift Key

The drift key is a hardened steel tool machined to fit the ejector slot on standard core drill arbors and holders. It applies even, controlled force to push the pilot pin free without damaging the thread or the arbor body. Using a screwdriver or a bit of scrap bar to do the same job is the kind of shortcut that strips threads and causes grief later in the day.

At this price point, there’s no reason not to have a spare. They turn up on every core drilling job and they have a habit of going walkabout on busy sites. Keeping a couple in the toolbox saves the usual ten minutes of hunting around before you can crack on.

Compatible with most standard diamond core drill arbors and pilot drill assemblies. If you’re running a core drilling setup regularly, this is just a sensible thing to have in stock.

Pro Tip: When ejecting the pilot pin, support the core bit firmly before striking the drift key so the bit doesn't drop and chip the diamond segments on the floor.

Applications

Used on site wherever diamond core drilling is taking place. That covers plumbing and heating installations, electrical first-fix work, air conditioning and ventilation fitting, and general groundwork or structural drilling. Any trade running a core drill through masonry, concrete, or brick will reach for a drift key the moment the hole is done and the pilot pin needs to come out. It is a routine part of every core drilling workflow rather than a specialist accessory.

Best For

Ejecting pilot drill bits from diamond core arbors
Removing arbors from core bit holders
Day-to-day core drilling workflows
On-site use by plumbers, electricians and groundworkers

Works With

Standard diamond core drill arbors
Pilot pin assemblies
Core bit holders with ejector slots

Key Features

Hardened steel construction
Machined to fit standard ejector slots
Compact and easy to carry
Straightforward single-purpose tool

Not suitable for: Not suitable for use with core bit systems that do not have a standard ejector slot on the arbor. Check your arbor type before ordering if you are unsure.

Usage

Locate the ejector slot on the side of the core drill arbor or holder. Insert the drift key into the slot, then give it a firm tap with a hammer to drive the pilot pin free. Keep the core bit supported so it does not drop when the pin releases.

Ensure the core drill is switched off and disconnected from power before handling the bit
Hold or secure the core bit to prevent it dropping when the pilot pin releases
Locate the ejector slot on the arbor or core bit holder
Insert the drift key into the ejector slot
Strike the drift key firmly with a hammer to push the pilot pin free
Remove the pilot pin and set the drift key somewhere you will actually find it next time

FAQs

Will this drift key fit all diamond core arbors?

It is compatible with most standard diamond core arbors that feature a ejector slot, which covers the majority of core drilling setups used in the UK. If you are using a proprietary system with a non-standard holder, check the arbor specification before ordering.

Can I use something else instead of a drift key?

Technically yes, but it is not recommended. Using a screwdriver blade or a bar of scrap steel through the slot applies uneven force and risks damaging the thread or the arbor body. A proper drift key is machined to fit correctly and costs less than a coffee, so there is no real argument for improvising.

Is this a standard size or do drift keys come in different sizes?

Most drift keys for diamond core drilling are produced to fit the standard ejector slot size common across the majority of arbors and holders used in the trade. If you have an unusual or heavy-duty system, confirm the slot dimensions match a standard drift key before purchasing.

Technical Information

The ejector drift key is machined from hardened steel to fit the standard ejector slot profile found on diamond core drill arbors and holders. The hardened construction allows repeated use under hammer impact without deforming. It is a straightforward tool with no moving parts, sized to apply even lateral force across the slot to release the pilot pin cleanly.

Product Type	Diamond Core Ejector Drift Key
Material	Hardened steel
Application	Ejecting pilot drill bits and arbors from diamond core bit holders
Compatibility	Standard diamond core drill arbors with ejector slot

Additional information