The 38mm draper expert bi metal hole saw is designed for larger applications including downpipe holes, substantial cable entries and commercial pipework installations. This generous diameter is particularly suited to plumbers, electricians and hvac engineers working on projects requiring larger penetrations through metal substrates. Featuring robust bi metal construction with 8% cobalt added for outstanding strength, this 38mm hole saw tackles sheet steel, stainless steel and non ferrous metals with ease. The integrated sprung arbor design ensures quick waste release for improved efficiency on site. The 1 4 hex shank provides secure fitment in your drill, whilst the 10mm depth collar delivers precise depth control. Manufactured from high quality steel, the cutting edge maintains its sharpness for prolonged tool life. Features and benefits bull 38mm diameter ideal for downpipes and substantial penetrations bull bi metal with 8% cobalt added for exceptional strength bull 1 4 hex shank and 10mm depth collar with integrated sprung arbor for quick waste release bull high quality steel ensures prolonged cutting edge performance bull perfect for sheet steel, stainless steel and non ferrous metals contents bull 1 x bi metal hole saw with integrated arbor, 38mm