Specifications

18pcs Bi-metal hole saw set
1.material:High quality M3 grade HSS steek cutting edge.
2.For 14mm to 210mm hole drilling

18pcs Bi-metal hole saw set

1.material:High quality M3 grade HSS steek cutting edge.
2.size:3/4"(19mm), 7/8"(22mm), 1-1/8"(29mm), 1"(25mm), 1-1/2"(38mm), 1-3/4"(44mm), 2-1/4"(57mm),2-1/2"(64mm),3"(76mm), 3-1/4"(83mm)

arbor 99002, 99010, 12"Extension Drill 99015,99016

3.idea for cutting mild steel,tool steel,stainless,castiron