Bi-metal Hole Saws

Bi-metal Hole Saws

For heavy duty cutting in all woods, plastics, composite materials and metal. The super-hard high speed steel cutting edge lasts 5 times longer than standard hole saws.

  • Fits standard and plug ejecting mandrels
  • Produces 1-5/8″ depth of cut
  • Used by electricians, plumbers, mechanics and other heavy-duty users
Where to Buy
Item #DiameterFits Mandrel Number
185123/4" (19 mm)18412, 18413, 18501 & 18502
185147/8" (22 mm)18412, 18413, 18501 & 18502
185161" (25 mm)18412, 18413, 18501 & 18502
185171-1/16" (27 mm)18412, 18413, 18501 & 18502
185181-1/8" (29 mm)18412, 18413, 18501 & 18502
185201-1/4" (32 mm)18408, 18409, 18501 & 18502
185211-5/16" (33 mm)18408, 18409, 18501 & 18502
185221-3/8" (35 mm)18408, 18409, 18501 & 18502
185241-1/2" (38 mm)18405, 18408, 18409, 18501 & 18502
185261-5/8" (41 mm)18405, 18408, 18409, 18501 & 18502
185281-3/4" (44 mm)18405, 18408, 18409, 18501 & 18502
185301-7/8" (48 mm)18405, 18408, 18409, 18501 & 18502
185322" (51 mm)18405, 18408, 18409, 18501 & 18502
185342-1/8" (54 mm)18405, 18408, 18409, 18501 & 18502
185362-1/4" (57 mm)18405, 18408, 18409, 18501 & 18502
185382-3/8" (60 mm)18405, 18408, 18409, 18501 & 18502
185402-1/2" (64 mm)18405, 18408, 18409, 18501 & 18502
185442-3/4" (70 mm)18405, 18408, 18409, 18501 & 18502
185483" (76 mm)18405, 18408, 18409, 18501 & 18502
185503-1/8" (79 mm)18405, 18408, 18409, 18501 & 18502
185523-1/4" (83 mm)18405, 18408, 18409, 18501 & 18502
185543-3/8" (86 mm)18405, 18408, 18409, 18501 & 18502
185563-1/2" (89 mm)18405, 18408, 18409, 18501 & 18502
185603-3/4" (95 mm)18405, 18408, 18409, 18501 & 18502
185644" (102 mm)18405, 18408, 18409, 18501 & 18502
185664-1/8" (105 mm)18405, 18408, 18409, 18501 & 18502
185684-1/4" (108 mm)18405, 18408, 18409, 18501 & 18502
185724-1/2" (114 mm)18405, 18408, 18409, 18501 & 18502
185966" (152 mm)18405, 18408, 18409, 18501 & 18502