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ISO Vacuum Flange Clamps and Bolts
ISO-MF vacuum flange clamps and bolts provide the sealing force to fully compress the O-ring for a vacuum seal, and mechanical force to hold the two flange faces together. ISO-MF flanges are joined using clamps and ISO-BF flanges are joined with bolts.

ISO-MF Double Claw Flange Clamps
- Join two ISO-MF vacuum flanges
- Aluminum clamps with Stainless Steel hardware
- NW63 to NW500 flange sizes

ISO-MF Single Claw Flange Clamps
- Join ISO-MF flange to tapped flange or bolt ring
- Aluminum clamp with Stainless Steel hardware
- NW63 to NW500 flange sizes

ISO-MF Flange Rotatable Bolt Rings
- Bolt ISO-MF flanges to ISO-BF flanges
- Same diameter and bolt pattern as ISO-BF flanges
- Aluminum construction with SS retaining ring

ISO-BF Flange Bolt and Nut Sets
- Bolt together ISO-BF vacuum flanges
- Includes correct bolt size and number of bolts
- NW63 to NW630 flange sizes

ISO-BF Flange Bolt Sets
- Bolt ISO-BF flanges to tapped flanges
- Includes correct bolt size and number of bolts
- NW63 to NW630 flange sizes

ISO-MF Rotatable Bolt Retaining Rings
- Retain rotatable bolt rings
- Stainless Steel construction
- NW63 to NW500 flange sizes
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