A flange gasket is a ring with a bolt-hole pattern, cut to match your flange exactly. Enter the diameters, bolt circle, and hole details and we laser-cut a drop-in seal in any material — no minimum order, shipped within 24 hours.
Dimensions You Enter for a Flange Gasket
| Outer diameter | Full outer width of the flange |
| Inner diameter | The center bore |
| Bolt circle diameter | Center-to-center diameter of the bolt pattern |
| Bolt holes | Number of holes and hole diameter |
Available in every material we stock — neoprene, silicone, EPDM, Buna-N, Viton, PTFE, cork, and fiber. Additional specs on request.
Common Flange Gasket Applications
- ANSI and DIN pipe flanges
- Pump, valve, and manifold flanges
- Compressor and blower housings
- Process-piping connections
- Custom and legacy flange patterns
Flange Gasket FAQs
Can you cut flange gaskets with bolt holes?
Yes — enter the outer diameter, inner diameter, bolt-circle diameter, and the number and size of bolt holes, and we cut a matching flange gasket ready to drop over the studs.
Do you match ANSI or DIN flange sizes?
We cut to whatever dimensions you provide, so any ANSI, DIN, or custom flange pattern can be matched exactly. Provide the measurements and we handle the rest.
Enter your dimensions in the quote tool above for an instant price on custom flange gaskets from Fastest Gaskets — no minimum order, ships in 24 hours.
