Fabrication: CNC Laser, Waterjet, Plasma, Welding | Welding clamps that fit in hole in table - hole specs | Practical Machinist - Largest Manufacturing Technology Forum on the Web
Inserta Clamps, Fit 16 mm Holes – Strong Hand Tools
Set 2.1 for System 28: 56 Piece 28mm Bored Hole Accessories 4-283200.1 – Siegmund Welding Tables USA (An Official Division of Quantum Machinery)