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have a 4th axis ( rotary table for a cnc mill ) and it has a few screws missing or damaged it is made in the US and is a HAAS HRT 310, it is recent and not an antique so can anyone tell me what threads are likely to be used the main one I need is about 3/16", measured at 0.186" or 4.7mm on the outside of the male thread and is quite fine. another thread of interest is the one for the lifting eye, measures about 7/16" and looks like our whitworth or UNC thread it weighs 438 pounds
OK, we've all got heaps of old bolts around the place. So what to do with them?? They make nice leaf hooks, and if you are careful you can use the threads to form serrations on the leaf. The leaf hook on the right (made from a 3/8 cuphead bolt) in this pic is done like that. Show us your ideas!
Hello, About two years back I made a forge and use grade 8 bolts. I have recently realized that they were zinc plated. So I took them off and went to the hardware store and got some stainless bolts. My question is are stainless bolts coated with anything that may be dangerous? Thanks.
So we all agree that nothing looks worse than a hand forged art piece, whether it is a hook, coat rack, grill, door knocker, or whatever that is then hung with a philips head screw or a galvanized nail because that is all the purchaser had available. I have bought some of the Blacksmith Bolt Pyramid Head and Square Head Lag Screws for specific hardware projects and they are great and have given the projects a finished look. The problem with them is they require an 8 point socket. Your average client who might buy your artwork at an art/craft fair, retail location etc. doesn't have an 8 po