My hardware store only carries nuts that are heavily zinc coated. Do you all just grind it off, or is there somewhere that you can buy mild steel only nuts and bolts?Or should I just use stainless hardware? I just figured I'd keep the metals in the same family. (Mild steel angle iron)
Reply:mcmaster.com would have them...they have almost everything.
Reply:Fastenal , Weld-on'sI forgot how to change this.
Reply:http://www.fastenal.com/web/search/p...n_dim_search=1
Reply:I use my local industrial surplus distributor, K Surplus. They buy big lots of stuff cheap and resell it by the pound with no minimum. I do not worry about who makes their stuff and where it came from; if strength is a factor, use a bigger size.There are cetainly other surplus dealers around the country. Just ask around "Where do the local fabricators buy fasteners?"I offer three choices: Good, Fast, & Cheap. You may pick two.Hobart AC/DC StikMate LXHarbor Freight AD HoodHarbor Freight Industrial Chop SawDeVilbis 20 Gallon, 5 HP Compressor
Reply:Just remember that the nut will shrink when welded.I have Sacrificial bolts I use, thread the nut on and weld it to you project let is cool and remove bolt. If not you may need to run a tap through the nut after welding it.have funTom
Reply:Flange Nut. Nice surface to weld against and they have a lot of meat to them. A bit pricey, but they work great.http://www.fastenal.com/web/search/p...N-gj4x5u&Nty=0
Reply:Two methods for when i don't plan far enough ahead to order the right nuts: 1. Stainless nuts, remember to chase the threads after welding with a sharp tap, or thread a bolt into it before welding, use grease or anti-seize on the bolts. 2. phosphoric acid paint prep solution to remove the zinc on regular nuts, soak about 30 minutes.Ian TannerKawasaki KX450 and many other fine tools
Reply:The zinc coating won't hurt a thing, it will come to the top . When you weld a nut onto something just spray a bolt with WD40 and put it in the nut before welding. It won't seize and you won't have to chase it with a tap.
Reply:Try any fastener supply. The muffler shops will tell you who they use, and they usually use cheap, uncoated hardware."Where's Stick man????????" - 7A749"SHHHHHH!! I sent him over to snag that MIC-4 while tbone wasn't looking!" - duaneb55"I have bought a few of Tbone's things unlike Stick-Man who helps himself" - TozziWelding"Stick-man"
Reply:Originally Posted by BobThe zinc coating won't hurt a thing, it will come to the top . When you weld a nut onto something just spray a bolt with WD40 and put it in the nut before welding. It won't seize and you won't have to chase it with a tap.
Reply:Originally Posted by BobThe zinc coating won't hurt a thing, it will come to the top . When you weld a nut onto something just spray a bolt with WD40 and put it in the nut before welding. It won't seize and you won't have to chase it with a tap.
Reply:Why would you want to Tig it? It would be faster and easier to mig or stick it.
Reply:We mig zinc coated hardware all the time. It does spit and pop.Ranger 250 GXTSmith Gas Axe
Reply:I'll be using TIG for this project
Reply:Originally Posted by BobWhy would you want to Tig it? It would be faster and easier to mig or stick it.
Reply:Bolt Depot for most of my hardware
Reply:Stainless if you want minimal prep or just grind the coating. Dissagree with above recommendations of adding oil or grease to nut before welding could contaminate the weld. If the bolt begins to Gaul into the nut then run a tap as suggested. If feasable you could just drill and tap the plate instead of welding a nut. My two cents.
Reply:www.tacomascrew.com Local to me in the northwest. The carry tons of stuff.-AaronJet 17.5" Drill Press1942 South Bend 16x84 Lathe1980s Miller 320A / BP --- 2013 Power Mig 2562012 Jet 7x12 Horizontal BandsawVictor O/A Setup
Reply:I think muriatic acid remove the zinc in a jiffy.You can buy it at Home Depot, Lowes or any other place like that.
Reply:Try Tractor Supply grade 5 bolts, nuts, washers. They are brown/gray and appear to be covered in mill scale. They have some fairly large sizes as well and sell fittings by the pound.They weld fine. Be sure to take the advice of the others and don't weld a nut "bare". A bolt threaded into it is essential.
Reply:In your town you should search out the industrial nut & bolt supply company. Ask for a heavy hex nut. Nearly twice as meaty as a regular hex nut and they are plain. You can well all the way around them and still thread a bolt. They are made for welding. Threading a bolt through a regular nut and expecting it to keep its shape while welding is a total joke. I laugh every time I read such a thing.
Reply:McMaster Carr. They have some with a small pilot flange on them that makes them easier to line up. They have square, hex or round, prettymuch anything you would need.
Reply:I weld zinc plated stuff all the time. Of course I don't breath the smoke plume and usually use a small fan to suck the smoke AWAY from me. I also keep the garage shop door wide open. For a small bolt or nut with a quick MIG hit, the zinc "concern" is minuscule.Heck, I even will do the occasional small weld bead of cadmium plated fasteners if that's all I have at my disposal, for whatever welding project. Now that stuff, I'll completely use a fan and hold my breath. Cadmium is by far a more poisonous metal than zinc. Sorry for getting off topic a bit.Lincoln Power Mig 216Lincoln AC/DC-225/125Miller 625 X-Treme PlasmaMiller 211 Forney 95FI-A 301HF 91110Victor Journeyman O/PMilwaukee DaytonMakita Baileigh NRA Life Member
Reply:Originally Posted by TaidenMy hardware store only carries nuts that are heavily zinc coated. Do you all just grind it off, or is there somewhere that you can buy mild steel only nuts and bolts?Or should I just use stainless hardware? I just figured I'd keep the metals in the same family. (Mild steel angle iron)I call McMaster in the afternoon in Southern Ca. My order is always at my shop the next day by lunch. It's like Grainger on steroids.
Reply:Here's a link for McMaster-Carr's "welding nuts." I too get 90% of my welding fasteners from M/C. http://www.mcmaster.com/#weld-nuts/=lxbx6kLincoln Power Mig 216Lincoln AC/DC-225/125Miller 625 X-Treme PlasmaMiller 211 Forney 95FI-A 301HF 91110Victor Journeyman O/PMilwaukee DaytonMakita Baileigh NRA Life Member
Reply:TaidenTIG = Good - And Good has standards.A few TIG / Nut welding tech tips.When welding a nut to S/S, only use S/S nuts.When welding a nut to mild steel [black iron] only useuncoated nuts - on a descaled substrate, and life will be good.Less is more, only weld three facets - alternate.The threads are the structure - not your weld.All the weld needs to do is to keep the nut from turning, thethreads do the work.What ever the nut-size, strive for the smallest bead possible.Master .035 filler, and only go larger when you have to.The real pay-off with the smallest bead is being able to weld stainless nuts without having to chase with a tap.If improperly welded, chasing S/S threads can turn into a taping nightmare. Enough technique.Nuts & BoltsFrom experience, McMaster-Carr, Fastenal & Grainger, are the most-expensive sources I have used. With respect to fixturing, everything they list is available else-where, and for much less. The value in M/C and G's pricing is their vast inventory in stock. I buy from both, but not fixtures. Depending upon where you are, there is someone in your Yellow Pages that is a real industrial nut & bolt house. They may be some distance, but you can get what you want, and you will be stunned by by the price difference compared to a big-box, and the catalogues.The real nut/bolt houses are not general-consumer oriented, and only want an informed clientele, so know what you want, because they are not in the design business.A typical small purchase: If you wanted six 1/2-13 UNCs, you would have to buy a box - 100 count. 100 count is common From 4-40s through 1/2".This overage is good because it grows your inventory.OpusLast edited by OPUS FERRO; 03-18-2013 at 02:08 AM.
Reply:aiden Taiden is offlineWeldingWeb Foreman07-21-2011, 07:10 AMTaiden's Avatar Taiden Taiden is offlineLast Activity: 10-27-2011 11:38 AM DO YOU EVEN LOOK AT THE DATES befor you reply!TO INVENT YOU NEED A GOOD IMAGINATION AND A PILE OF JUNK'' - THOMAS EDISONMost Of The Time People Don't see The Quality of a Good Job Unitl they see a Bad Job !! -Scott Esplin
Reply:Originally Posted by Opus FerroFrom experience, McMaster-Carr, Fastenal & Grainger, are the most-expensive sources I have used. With respect to fixturing, everything they list is available else-where, and for much less.
Reply:McMaster. I get the locking nuts too. Not the nyloc ones of course. They come zinc plated and I just chuck then up on the lathe and turn a little off. Makes the part you are welding round and nice and neat ( this is for 1/2" or lager nuts). I also TIG them on. I do leave the flats on where I am able to still get a socket or a wrench on it to put the bolt through before welding. Takes less time on the lathe then sanding or griding the flats.www.tjsperformance.comDynasty 300 DXHTP 240HTP Microcut 380Hyperthem 85JD2 Hyd Bender and HF Hyd Ring Roller all in one =(Frankenbender)Bpt. Mill/DRO4' x 8' CNC Plasma TableInstagram: tjsperformanceYT: TJS Welding and Fabrication
Reply:Am I correct that the zinc immediately oxidizes when it hits the atmosphere and forms a powder or ash, rather than being a vapor? That's my understanding, and if that's right, then wouldn't a P100 filter protect against it?
Reply:Originally Posted by joshuabardwellAm I correct that the zinc immediately oxidizes when it hits the atmosphere and forms a powder or ash, rather than being a vapor? That's my understanding, and if that's right, then wouldn't a P100 filter protect against it?
Reply:Originally Posted by usmcruzYes and yes!
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