Tool - Welder
170 Amp-DC, 240 Volt, MIG/Flux Cored Welder
http://www.harborfreight.com/170-Amp-DC-240-Volt-MIGFlux-Cored-Welder-68885.html?ccdenc=eyJjb2RlIjoiNjExOTM2NzUiLCJza3UiOiI2ODg4NSIsImlzIjoiMTY5Ljk5IiwicHJvZHVjdF9p%0D%0AZCI6Ijg1NzQifQ%3D%3D%0D%0A&utm_medium=email&utm_campaign=1716a&utm_source=1011&cid=mEmail_s1011_c1716a $184.99 (with coupon $169.99) + tax (20/25% coupon does not work for welders)
Metal Inert Gas welding
Need a 250V outlet.
Best to fit a gas bottle http://www.harborfreight.com/20-cubic-ft-argon-gas-cylinder-92807.html $90 Filling the tank costs about $15.
and regulator hhttp://www.harborfreight.com/welding/welding-accessories/regulator-gauge-94841.html $36
to make it a MIG welder. 75/25 gas
Ideally need a better earth clamp hhttp://www.harborfreight.com/welding/welding-accessories/400-amp-welding-ground-clamp-66708.html $15
MIG welding tips http://www.harborfreight.com/welding/welding-accessories/pack-of-10-0035-inch-mig-welding-tips-98108.html $8 for pack of 10.
Also need to buy a helmet http://www.amazon.com/Urparcel-Welding-Helmet-Flames-Auto-Darkening/dp/B005ST4T82/ref=pd_sim_328_12?ie=UTF8&dpID=51r9bNf5-vL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_&refRID=1MW1DRTH9CPXJZGD89ME $26.21
Best to use it with Lincoln wire.
Lincoln Electric MIG Welding Wire, NR-211-MP, .035, Spool
http://www.homedepot.com/p/Lincoln-Electric-12-5-lb-SuperArc-L-56-0-035-MIG-Wire-ED028676/100595296 $31.57 for 12.5lb