Our Pneumatic Tool O-ring Kits include: Senco O-ring Kits, Duo-Fast O-ring Kits, Bostitch O-ring Kits, Paslode O-ring Kits, Porter Cable O-ring Kits, Hilti O-ring Kits, Hitachi O-ring Kits, & more.

Our Kits include: Paintball O-rings, Pool O-rings, Shotgun O-rings, Bass Fishing O-rings, G.I. Joe O-rings, Graco O-rings, water filter o-rings, diesel o-rings and many more.

We have O-rings and Basic Seals in single to bulk in a verity of sizes and elastomers. Including Buna-N O-rings (nitrile), Viton O-rings, Silicone O-rings, EPDM O-rings, NSF O-rings(EPDM), FDA O-rings(EPDM & Silicone) and Teflon O-rings.
O-Rings & Basic Seals in O-Rings, X-Rings, Square Rings, and soon in Back-Up Rings and O-Ring Assortments.

Nitrile, Buna-N O-rings (NBR):
Buna-N O-rings, also known as Buna o-rings, Nitrile O-rings or NBR O-rings, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils and lubricants and in water applications. It is not recommended for use with ketones, aromatic hydrocarbons and phosphate ester hydraulic fluids. Ozone resistant Nitriles (HNBR)are recommended where extended exposure to air and ozone are anticipated. More than 50% of the Orings sold are Buna-N O rings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Ethylene Propylene, EPDM O-rings:
EP is a copolymer of ethylene and propylene, while EPDM O-rings are a terpolymer combining ethylene, propylene and a diene monomer. EP materials offer a temperature range of -65F to +300F and offer excellent resistance to ozone, weathering, steam, water and phosphate ester type hydraulic fluids. Our EPDM O-rings are manufactured to conform to NSF 61 and FDA requirements, making it ideal for use with drinking water, food, and medical devices.

Fluorocarbon, VITON® O-rings (FKM):
VITON® is the trade name for DuPont-Dow Elastomers Fluorocarbon O-rings or FKM O-ring material. VITON O-rings have a temperature range of -20F to +400F, and provides excellent resistance to a wide variety of chemicals, weather and compression set requirements. The relatively high level of fluorine in VITON® materials allows for exceptional resistance to chemical attack, but with limited low temperature capabilities. Intermittent exposure to +600F can be tolerated for brief periods of time. Many industrial products are now switching to Orings made of VITON®, making it the most significant elastomer development in 50 years.

Hydrogenated Nitrile, HNBR O-rings:
HNBR, sometimes referred to as Highly Saturated Nitrile (HSN), offers a temperature range of -40F to +350F. HNBR is often used in automotive refrigeration systems using Freon 134A, and in power steering seals using Type A Fluid. To manufacture HNBR, Nitrile is first dissolved in a solvent, then a catalyst is used and hydrogen gas hydrogenates the Nitrile. While HNBR is in the Nitrile family, it undergoes this extensive, and consequently expensive, process to become HNBR.

Silicone O-rings (VMQ):
Silicone O-ring materials offer outstanding temperature resistance across a broad range, from -80F to +400F. Silicone materials provide excellent resistance to sunlight, ozone, oxygen, UV light and moisture. It's inert qualities make it the preferred material for use with food handling and medical applications. Silicones offers poor tensile, tear and abrasion resistance, and are not recommend for use in dynamic applications.

Fluorosilicone O-rings (FVMQ): Coming Soon
Fluorosilicones combine the best properties of fluorocarbons and silicones. Fluorosilicone O-rings resist solvents, fuel and oil (similar to Viton®); but also provide stability over a broad temperature range of -100F to +350F. This elastomer is frequently used in aircraft fuel systems. However, it is limited to static seal applications due to poor tear resistance.

We have a full line of O-Rings available from stock or by special order in various durometers and colors including: Viton® O-Rings, Buna-N O-Rings, Kalrez® O-Rings, Simriz® O-Rings, Silicone O-Rings, Chemraz® O-Rings, EPDM O-Rings, Fluorosilicone O-Rings, PTFE O-Rings, Neoprene O-Rings, Metric O-Rings, Back-Up Rings, Quad Rings, Square Rings, Spliced O-Rings, Custom O-Rings, Mil-Spec O-Rings, O-Ring Kits, O-Ring Cord, FEP Encapsulated O-Rings, Parker O-Rings and Seals. Email us for price and availability.