Draper Expert HSS Bi Metal Hole Saw

The 21mm holesaw is perfectly sized for standard electrical conduit installations and small to medium cable entry points. This versatile diameter suits typical electrical box knockouts and compact plumbing fittings, making it a frequently used size for electricians and installers. Features and Benefits: • 21mm diameter ideal for electrical conduit work • Heavy-duty bi-metal construction ensures longevity • M3 cutting edge delivers fast, clean results • Suitable for wood, metal and plastic applications • Maximum cutting depth 35mm Contents: • 1 x HSS Bi-metal Holesaw Blade, 21mm