Catalog > Test and Measurement > Test and Measurement Instruments > Toptronics Instruments Hole Saw Tungsten 20mm Tungsten 20mm Hole Saw TOP TCT20 HellermannTyton - Hole Saw Tungsten 20mm 72.39 ZAR inc for 1 Each 3 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Holesaws designed for drilling through aluminium Stainless steel, mild steel and fibre cement ceiling board Hardened tungsten tips Complete with arbor Lasts up to 80% longer than standard holesaws Deep cutting depth Two cutting edges