Gaskets and Stud Bolts
QEM provides a wide range of gaskets designed to ensure leak-proof seals in various industrial applications. Our gaskets are made from high-quality materials to withstand extreme pressures and temperatures, ensuring reliable performance.
F. A. Q
Common Questions
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Velit sociosqu purus enim pharetra sed sem at iaculis. Felis ridiculus adipiscing dignissim eros pellentesque mus vitae litora. Felis nullam tortor phasellus viverra ut arcu. Euismod magnis ante convallis vulputate odio augue sit pretium dapibus.
Velit sociosqu purus enim pharetra sed sem at iaculis. Felis ridiculus adipiscing dignissim eros pellentesque mus vitae litora. Felis nullam tortor phasellus viverra ut arcu. Euismod magnis ante convallis vulputate odio augue sit pretium dapibus.
Velit sociosqu purus enim pharetra sed sem at iaculis. Felis ridiculus adipiscing dignissim eros pellentesque mus vitae litora. Felis nullam tortor phasellus viverra ut arcu. Euismod magnis ante convallis vulputate odio augue sit pretium dapibus.
Velit sociosqu purus enim pharetra sed sem at iaculis. Felis ridiculus adipiscing dignissim eros pellentesque mus vitae litora. Felis nullam tortor phasellus viverra ut arcu. Euismod magnis ante convallis vulputate odio augue sit pretium dapibus.
Gaskets
QEM provides a wide range of gaskets designed to ensure leak-proof seals in various industrial applications. Our gaskets are made from high-quality materials to withstand extreme pressures and temperatures, ensuring reliable performance.

Types of Gaskets
- Spiral Wound Gaskets
- Ring Joint Gasket
- Compressed Non-Asbestos Fiber (CNAF) Gaskets
- Synthetic Fier Gaskets
- Neoprene Rubber Gasket
- Compressed Asbestors Fiber Gaskets
- PTFE/RPTFE Gaskets
- Flexible Graphite Gaskets
- Other Custom Gaskets: Available upon request
Materials
- Carbon Steel
- Stainless Steel 304
- Stainless Steel 316/316L
- Neoprene
- EPDM
- Viton
- NBR (Nitrile Butadiene Rubber)
- Silicon
- Other materials available upon request
Standards
- R, RX, BX
- API 16.20 & API 6A

Stud Bolts and Fasteners
QEM supplies a comprehensive range of high-quality stud bolts and fasteners designed for various industrial applications. These include stud bolts, studding, hex bolts, blanks, socket capscrews, and hex nuts. Our products adhere to strict international standards to ensure durability, reliability, and performance in demanding environments.

Grades
- Bolts and Fasteners: ASTM A193, A320, A453, A182, A276, A479
- Nuts: ASTM A194, A453, A182, A276, A479
Thread Forms
- Metric
- UN (Unified National)
Heat Treatment Processes
- Quenching and Tempering
- Through Hardening
- Normalizing
- Solution Annealing
- Nitriding
- Precipitation Hardening
- Case Hardening
Coatings
- Zinc
- Phosphate
- Zinc Nickel
- Molykote
- Hot Dip Galvanized
- Sherardizing
- PTFE/Xylan/Xylar/Teflon
- Cadmium
