This Larger Adapter / Arbor fits 

all our Tungsten Carbide Grit Hole Saws

over 1 1/8" Diameter through to our big 

6" (152mm) Diameter Tungsten Hole Saw

They come with the standard 5/8" thread

and locking pins. Free Hex Key included 

to tighten the Tungsten Carbide Pilot Drill

The End on this Mandrel / Arbor has this 7/16" Hex Shank

but we also sell them with SDS fitting in our Store

The main difference with these Hole saw Arbors 

Adapters is the fact that the Pilot Drills are basically Masonry Bits

That means they have Tungsten Carbide Tipped Pieces welded into the tips

This means they can drill through hard abrasive products

and are designed to be used with a Hammer Drill.

After All whats the Point Having a Hole saw 

that can cut the Tough Stuff if the Pilot Cannot?

This makes them perfect for Drilling materials

like Brick, Marble and Concrete.

Pilot Drills are 8mm (5/16") Diameter and 1/4" Shaft dia.

They are replaceable and available in our store.

Notice our pilots have a flat area

so the hex grub screw can secure

Our 5/16" special Spear Point TCT Tile & Glass Drill

has a specifically designed 1/4" shaft.

This means it will fit in any of our Adapters / Mandrels

for drilling ceramic tiles without slipping.

These Adapters / Arbors are designed to take

serious abuse and will outlast conventional tools.

They can be used in Corded or Cordless Drills

with or without Full Hammer Action.

They were intended to be used in conjunction

with our Tungsten Grit Edge Hole Saws.

So they can cut Tough Abrasive and Brittle materials

 like Brick, Masonry, Slate, Marble, Construction Materials

 such as Autoclaved Cement Board, Fibre glass,

Composite Boards such as Chipboard and MDF, Laminates,

 Rubber Tyres, GRP, CFRP, Hardwood Flooring,

Laminate Flooring, Plasterboard / Drywall, 

Soft Resinous Woods and Hard Brittle Materials.

Check out our Extensions For Drilling Deep Holes

available in 3/8" Hex and 7/16" Hex Fitting.

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The Important Stuff !!!

We are a US Shipper based in Florida FL 34470

Everything we sell we have in Stock - We ship Fast within 24hrs.

We aim to ship the same business day if ordered before noon

We Ship Free within USA using USPS First Class or Flatrate averaging 2-3 days.

We will ship anywhere in the world USPS First Class International.

International Shipping 7-14 days subject to custom delays in your Country.

If you are happy with our service please tell a friend If you are not please tell me, I will fix it if I can. We want your custom.