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The IRWIN bi-metal holesaws have been designed for the professional and made to provide long-lasting performance for use in general construction, electrical installation, plumbing, heating, ventilation, and remodelling applications.

The sharp, variable tooth (4-6 pitch) design provides a faster cutting action and enhanced performance in a variety of materials and cutting applications.

The bi-metal construction and the electron beam welded teeth give the user a stronger, longer-lasting blade.

The IRWIN holesaw range is available from sizes 14 mm (9/16in) to 152 mm (6in), with a line up of high-quality arbors and a pilot drill to cover all application requirements.

Cuts a variety of materials including: aluminium, copper, iron, stainless steel, wood and zinc.

Size: 21 mm dia

Product Specifications

Stock CodeIRW10504166
List Price£8.79 (ex VAT) | £10.55 (inc VAT)
VAT RateS
Quality Assured (ISO9000)False
Barcode5706915041668
Leaflet Price£8.79
Terms Cat15
ManufacturerIRWIN® (IRW)
Manufacturer Code10504166
Weight0.06kg
WEEE Code
Hazardous MaterialFalse
Material SafetyN
Shelf Life (Months)0
LiquidFalse
WEEE Code
Minimum Qty1
Bulk Quantity0
Box Qty1
Pack Qty Breakdown0
Catalogue PageTBD
Dimensions (mm)43 x 84 x 42

Technical Specs

Size (mm) 21
Material Bi-Metal
Pitch Variable

Products in the Group

	Size (mm)	Material	Pitch
Bi-Metal High Speed Holesaw 14mm IRW10504161 \| IRWIN® \| Holesaws	14mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 16mm IRW10504162 \| IRWIN® \| Holesaws	16mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 17mm IRW10504163 \| IRWIN® \| Holesaws	17mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 19mm IRW10504164 \| IRWIN® \| Holesaws	19mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 20mm IRW10504165 \| IRWIN® \| Holesaws	20mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 21mm IRW10504166 \| IRWIN® \| Holesaws	21mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 22mm IRW10504167 \| IRWIN® \| Holesaws	22mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 24mm IRW10504168 \| IRWIN® \| Holesaws	24mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 25mm IRW10504169 \| IRWIN® \| Holesaws	25mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 27mm IRW10504170 \| IRWIN® \| Holesaws	27mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 29mm IRW10504171 \| IRWIN® \| Holesaws	29mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 30mm IRW10504172 \| IRWIN® \| Holesaws	30mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 32mm IRW10504173 \| IRWIN® \| Holesaws	32mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 33mm IRW10504174 \| IRWIN® \| Holesaws	33mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 35mm IRW10504175 \| IRWIN® \| Holesaws	35mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 38mm IRW10504177 \| IRWIN® \| Holesaws	38mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 40mm IRW10504178 \| IRWIN® \| Holesaws	40mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 41mm IRW10504179 \| IRWIN® \| Holesaws	41mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 43mm IRW10504180 \| IRWIN® \| Holesaws	43mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 44mm IRW10504181 \| IRWIN® \| Holesaws	44mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 46mm IRW10504182 \| IRWIN® \| Holesaws	46mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 48mm IRW10504183 \| IRWIN® \| Holesaws	48mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 51mm IRW10504184 \| IRWIN® \| Holesaws	51mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 52mm IRW10504185 \| IRWIN® \| Holesaws	52mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 54mm IRW10504186 \| IRWIN® \| Holesaws	54mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 56mm IRW10507366 \| IRWIN® \| Holesaws	56mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 57mm IRW10504187 \| IRWIN® \| Holesaws	57mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 59mm IRW10504188 \| IRWIN® \| Holesaws	59mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 60mm IRW10504189 \| IRWIN® \| Holesaws	60mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 62mm IRW10507367 \| IRWIN® \| Holesaws	62mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 64mm IRW10504190 \| IRWIN® \| Holesaws	64mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 65mm IRW10504191 \| IRWIN® \| Holesaws	65mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 67mm IRW10504192 \| IRWIN® \| Holesaws	67mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 68mm IRW10504193 \| IRWIN® \| Holesaws	68mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 70mm IRW10504194 \| IRWIN® \| Holesaws	70mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 73mm IRW10504195 \| IRWIN® \| Holesaws	73mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 76mm IRW10504196 \| IRWIN® \| Holesaws	76mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 79mm IRW10504197 \| IRWIN® \| Holesaws	79mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 83mm IRW10504198 \| IRWIN® \| Holesaws	83mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 86mm IRW10504199 \| IRWIN® \| Holesaws	86mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 89mm IRW10504200 \| IRWIN® \| Holesaws	89mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 92mm IRW10504201 \| IRWIN® \| Holesaws	92mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 95mm IRW10504202 \| IRWIN® \| Holesaws	95mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 102mm IRW10504204 \| IRWIN® \| Holesaws	102mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 105mm IRW10504205 \| IRWIN® \| Holesaws	105mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 108mm IRW10504206 \| IRWIN® \| Holesaws	108mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 111mm IRW10504207 \| IRWIN® \| Holesaws	111mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 114mm IRW10504208 \| IRWIN® \| Holesaws	114mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 117mm IRW10504209 \| IRWIN® \| Holesaws	117mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 121mm IRW10504210 \| IRWIN® \| Holesaws	121mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 127mm IRW10504211 \| IRWIN® \| Holesaws	127mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 133mm IRW10505818 \| IRWIN® \| Holesaws	133mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 152mm IRW10504213 \| IRWIN® \| Holesaws	152mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 168mm IRW10505819 \| IRWIN® \| Holesaws	168mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 177mm IRW10505820 \| IRWIN® \| Holesaws	177mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 210mm IRW10505821 \| IRWIN® \| Holesaws	210mm	Bi-Metal	Variable

Similar Products

	Size (mm)	Material	Pitch
3830-20-VIP Bi-Metal Variable Pitch Holesaw 20mm BAH383020VP \| Bahco \| Holesaws	20mm	Bi-Metal	Variable
3830-22-VIP Bi-Metal Variable Pitch Holesaw 22mm BAH383022VP \| Bahco \| Holesaws	22mm	Bi-Metal	Variable
3830-25-VIP Bi-Metal Variable Pitch Holesaw 25mm BAH383025VP \| Bahco \| Holesaws	25mm	Bi-Metal	Variable
3830-17-C Bi-Metal Variable Pitch Holesaw 17mm BAH383017C \| Bahco \| Holesaws	17mm	Bi-Metal	Variable
3830-19-C Bi-Metal Variable Pitch Holesaw 19mm BAH383019C \| Bahco \| Holesaws	19mm	Bi-Metal	Variable
3830-20-C Bi-Metal Variable Pitch Holesaw 20mm BAH383020C \| Bahco \| Holesaws	20mm	Bi-Metal	Variable
3830-21-C Bi-Metal Variable Pitch Holesaw 21mm BAH383021C \| Bahco \| Holesaws	21mm	Bi-Metal	Variable
3830-22-C Bi-Metal Variable Pitch Holesaw 22mm BAH383022C \| Bahco \| Holesaws	22mm	Bi-Metal	Variable
3830-24-C Bi-Metal Variable Pitch Holesaw 24mm BAH383024C \| Bahco \| Holesaws	24mm	Bi-Metal	Variable
3830-25-C Bi-Metal Variable Pitch Holesaw 25mm BAH383025C \| Bahco \| Holesaws	25mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 17mm FAIHSVP17 \| Faithfull \| Holesaws	17mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 19mm FAIHSVP19 \| Faithfull \| Holesaws	19mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 20mm FAIHSVP20 \| Faithfull \| Holesaws	20mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 21mm FAIHSVP21 \| Faithfull \| Holesaws	21mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 22mm FAIHSVP22 \| Faithfull \| Holesaws	22mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 24mm FAIHSVP24 \| Faithfull \| Holesaws	24mm	Bi-Metal	Variable
Bi-Metal Cobalt Holesaw 25mm FAIHSVP25 \| Faithfull \| Holesaws	25mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 17mm IRW10504163 \| IRWIN® \| Holesaws	17mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 19mm IRW10504164 \| IRWIN® \| Holesaws	19mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 20mm IRW10504165 \| IRWIN® \| Holesaws	20mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 22mm IRW10504167 \| IRWIN® \| Holesaws	22mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 24mm IRW10504168 \| IRWIN® \| Holesaws	24mm	Bi-Metal	Variable
Bi-Metal High Speed Holesaw 25mm IRW10504169 \| IRWIN® \| Holesaws	25mm	Bi-Metal	Variable
Bi-Metal Holesaw 17mm LEN30011 \| LENOX \| Holesaws	17mm	Bi-Metal	Variable
Bi-Metal Holesaw 21mm LEN30013 \| LENOX \| Holesaws	21mm	Bi-Metal	Variable
Bi-Metal Holesaw 22mm LEN30014 \| LENOX \| Holesaws	22mm	Bi-Metal	Variable
Bi-Metal Holesaw 24mm LEN30015 \| LENOX \| Holesaws	24mm	Bi-Metal	Variable
Bi-Metal Holesaw 25mm LEN30016 \| LENOX \| Holesaws	25mm	Bi-Metal	Variable
Bi-Metal Holesaw 20mm LEN3009820MM \| LENOX \| Holesaws	20mm	Bi-Metal	Variable
FCH1016 Fast Cut Bi-Metal Holesaw 17mm STRHS17AX \| Starrett \| Holesaws	17mm	Bi-Metal	Fast Cut
FCH1036 Fast Cut Bi-Metal Holesaw 21mm STRHS21AX \| Starrett \| Holesaws	21mm	Bi-Metal	Fast Cut
FCH0078 Fast Cut Bi-Metal Holesaw 22mm STRHS22AX \| Starrett \| Holesaws	22mm	Bi-Metal	Fast Cut
FCH1056 Fast Cut Bi-Metal Holesaw 24mm STRHS24AX \| Starrett \| Holesaws	24mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 17mm STRHS17AXN \| Starrett \| Holesaws	17mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 19mm STRHS19AXN \| Starrett \| Holesaws	19mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 20mm STRHS20AXN \| Starrett \| Holesaws	20mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 21mm STRHS21AXN \| Starrett \| Holesaws	21mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 22mm STRHS22AXN \| Starrett \| Holesaws	22mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 24mm STRHS24AXN \| Starrett \| Holesaws	24mm	Bi-Metal	Fast Cut
Fastcut Bi-Metal Holesaw 25mm STRHS25AXN \| Starrett \| Holesaws	25mm	Bi-Metal	Fast Cut
DCH0034 Deep Cut Bi-Metal Holesaw 19mm STRHS19DC \| Starrett \| Holesaws	19mm	Bi-Metal	Deep Cut
DCH2532 Deep Cut Bi-Metal Holesaw 20mm STRHS20DC \| Starrett \| Holesaws	20mm	Bi-Metal	Deep Cut
DCH1036 Deep Cut Bi-Metal Holesaw 21mm STRHS21DC \| Starrett \| Holesaws	21mm	Bi-Metal	Deep Cut
DCH0078 Deep Cut Bi-Metal Holesaw 22mm STRHS22DC \| Starrett \| Holesaws	22mm	Bi-Metal	Deep Cut
DCH0100 Deep Cut Bi-Metal Holesaw 25mm STRHS25DC \| Starrett \| Holesaws	25mm	Bi-Metal	Deep Cut
CSC19 Smooth Cutting Holesaw 19mm STRCSC19 \| Starrett \| Holesaws	19mm	Bi-Metal	Constant
CSC20 Smooth Cutting Holesaw 20mm STRCSC20 \| Starrett \| Holesaws	20mm	Bi-Metal	Constant
CSC22 Smooth Cutting Holesaw 22mm STRCSC22 \| Starrett \| Holesaws	22mm	Bi-Metal	Constant
CSC25 Smooth Cutting Holesaw 25mm STRCSC25 \| Starrett \| Holesaws	25mm	Bi-Metal	Constant