WebMay 18, 2011 · There are two types of drill bits that you can count on for metalworking projects: titanium and cobalt. Titanium drill bits are high-speed steel drill bits (HSS) that have a titanium oxide coating. They are very hard, and corrosion-resistant. They last much longer than regular HSS drill bits, and they are good for cutting through any metal ... WebSep 30, 2010 · I just went through about $200 worth of solid carbide drill bits on 60 holes. There's got to be a better way. The material is grey cast iron. I'm using HTC brand letter size "o" drill bits, and also tried a "Drill Monster" brand. Honestly, the Drill Monster held up vastly better than the others, but still only drilled about 30 holes before it ...
how to cut a hole in a cast iron soil pipe - YouTube
WebNov 5, 2024 · Wide Applications: Carbide hole saw provides fast and precise cuts into stainless steel, alloy, aluminum, cast iron, and other metals up to 5mm, also suitable for … WebJun 20, 2024 · The soil stack pipe that comes up through the attic floor and continue through the roof for venting is 4 inches and cast iron. The soil pipe for my new bathroom is 3 inch PVC. I'm thinking of tying the PVC into the cast iron by drilling a hole in the cast iron with a 3-1/4 inch hole saw, then sticking the PVC into that. getbytes utf-8 iso-8859-1
How to Drill a Hole in a Cast Iron Pipe eHow
WebHole Making - Drilling - MTEC-BSPT : Solid carbide threading endmills for external or internal BSPT thread profile. Select Language. Čeština. Deutsch. English. Español-España. ... General engineering fittings and pipe couplings . Application: General engineering fittings and pipe couplings . Designation GIFUT5 Ord TPI TDZ DCONMS DC DCX NOF WebApr 13, 2024 · Description. Woodworkers drill holes in wood all the time but hesitate when it comes to cast iron. Threaded holes in cast iron machine tables are just the solution you need for holding jigs and fixtures. George Vondriska shows how to cut a threaded through … WebNov 14, 2024 · For drilling holes in steel that's 1/8 in. or thicker, use cutting fluid or a multipurpose oil like 3-IN-ONE. Lubricating the bit reduces friction and heat buildup, which makes drilling easier and your bits last longer. … christmas lodge fortnite