4 1/2 " Hss Bi-metal Bimetal Hole Saws, 5/8-18 Metal Wood Bd3168

US $14.00

  • Rockledge, Florida, United States
  • Jun 9th
4 1/2 " HSS Bi-Metal Bimetal Hole Saws, 5/8-18 Metal Wood HVAC Sewer Pipe Vent Duct New Barnes Distribution 4-1/2" High Speed Steel, Bi-Metal Hole Saws, Part Number BD3168 These are just the thing for cutting holes in HVAC trunks, or for running sewer pipes and vents. Uses any 5/8-18 threaded or pinned style holesaw mandrel (not included). They have a varitooth design (teeth are spaced irregularly), which helps prevent the saw from establishing a grabbing "rhythm" during use. Comes complete with a handy speed chart, with suggested RPMs for Mild Steel, Tool* and Stainless Steels, Cast Iron, Brass, and Aluminum.  Diameter: 4-1/2" Maximum cutting depth: 1.525" Center hole threads: 5/8-18 (National Fine) Center 4-pin matrix: .270" diameter, spaced 3/4" OC (on centers) Outer 3-pin matrix: .315" diameter, spaced 2-15/16" OC (on centers) Total number of teeth: 65 Approximate number of teeth per inch: 4.6 Written on the saw: H.S.S. BI-METAL 4-1/2 114 mm Wear Safety Goggles

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