For our money, 3/4-inch pipe clamps are a viable option for expensive bar clamps. there are a few companies that manufacture pipe clamp kits that fit onto a 3/4-inch diameter threaded pipe that essentially perform the same task as a bar clamp.. 3/4'' heavy duty cast iron pipe clamp. a perfect holding tool for woodworkers working on cabinets and wooden boxes! easy to use and convenient, just slide the pipe clamp through any length 3/4? pipe to hold wood in place for gluing and drilling.. The pony 3/4 in. pipe clamp is designed to be used on any length of 3/4 in. black pipe. this clamp has a clutch disc design for easy adjustments and can be secured at any point along the bar. this clamp meets the rigorous demands of commercial shops, school shops, woodworking or metalworking users..
Homemade heavy duty bar clamp from scrap/