_WHAT ARE DIFFERENT TYPES OF HOLE SAWS
                     WHAT ARE THE DIFFERENT TYPES 
OF HOLE SAWS?
A hole saw or hole cutter is a 
specialist drill bit type designed 
to allow the user to bore out a 
circular hole with a wider 
diameter than would normally be 
produced by most standard bits.
TYPES OF HOLE SAWS
1. CARBON STEEL 
A DIY specialist or enterprising home improver, a simple general-
purpose carbon steel Hole saw that performs effectively. While not the 
most durable, for use with softer materials, including wood, non-
laminated plastic, and plasterboard, carbon steel hole saws are suitable.
2. VARIABLE PITCH BI-METALLIC 
Bi-metal construction increases protection by eliminating the risk of 
breaking, so consider them to be a decent step-up to deal with or 
operate over longer periods with slightly harder materials. Many boast 
high-speed steel-reinforced teeth for quicker cutting, and variability 
allows you to cut according to your chosen material at different speeds.
3. DEEP CUT VARIABLE PITCH BI-METALLIC 
The deep cut variable pitch bi-metallic hole saw drill is not 
coincidentally called and will have a cut depth of up to 42.5 mm. 
Otherwise, the properties and advantages of the regular bi-metallic 
are preserved.
4. CONSTANT PITCH SMOOTH CUT 
The smooth cut hole saw of constant pitch uses high-speed steel 
with a rugged alloy body. Hardened, abrasion-resistant, and heat-
resistant, they are made of stainless steel, tools, and mild steel for 
cutting. Also working well are plasterboard, wood, and thin plastics.
5. TUNGSTEN CARBIDE TIPPED (TCT)
Tungsten carbide tipped teeth are suitable for those who expect to 
use their hole saw regularly and for extended periods, offering fast 
cutting action and excellent durability. 
6. WELDED SHANK SOFFIT CUTTER
The base plate is welded to a non-detachable arbor, and the saw is 
made of high-speed steel with a variable tooth pitch. The large 
diameter makes them appear tailor-made in soffit boards for cutting 
vent holes, and they work well with plywood, metal, and PVC.
7. DIAMOND-EDGED HOLE SAW
These hole saws are either polished or infused with diamonds to 
display a conspicuous absence of teeth. The hardness and 
durability are excellent, so no barrier is high heat and persistent 
resistance. Generally speaking, you can use them to drill into 
ceramic tiles.
8. MULTI-HOLE SAW 
Built to be used for cutting a number of different diameter holes, 
when it comes to material, the multi-hole is notoriously 
undiscerning. They can all be sliced into the wood, non-laminated 
plastics, plasterboard, chipboard, plywood, and non-ferrous metal 
(except stainless steel).
APPLICATIONS OF HOLE 
SAWS 
There are several different types of Hole saws and accessories available 
for different kinds of applications and working surfaces.
• Drilling holes for wiring and cable routing runs.
• Make cutouts for downlights, fittings, or light fixtures in ceilings for 
placement.
• Fitting sinks, baths, and worktops with taps and other hardware.
• Projects for general joinery, woodwork, and DIY projects.
• Installation of duct runs or drainage pipes through kitchen units and 
walls.
• Boring into masonry for better ventilation or waste removal purposes.
• Installing door and cabinet hardware, including handles, locks, and 
rails.
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