"All Swift Klamp flange work holders are attached to the workpiece using simple threaded holes and attached to the base using the HSK-A connection. Setup is quick with easy preparation, and no distortion to the workpiece. Flange work holders will accept a central boss for workpiece location and are available in a range of sizes to suit the workpiece. Flange work holders include male and female threads for workpiece mounting as well as the option of mounting work on a single central bolt. Flange work holders will also accept adapters to reduce the clamping area for better access to small workpieces."
"Used with the Swift Klamp flange clamping work holder Minimizing clamping area for a small-size work-piece, reducing the machining interference area."
"Metric threaded nuts with integral flanges. These nuts are manufactured from S45C(JIS) \/ CK45(DIN) heat treated to HRC 30-35 and have a black oxide surface finish."