For electrical work
• Supplied in unbreakable plastic case, 8 pieces:
6 HSS-bi-metal hole saws Ø 22, 29, 35, 44, 51, 64 mm, 4 – 6 tpi
1 SDS chuck adaptor with HSS drill 14 – 30 mm
1 SDS chuck adaptor with HSS drill 32 – 152 mm
• cutting depth 40 mm
• for steel, Nirosta, non-ferrous metals, wood and aerated concrete