Gaskets & O-Rings

Gaskets and O-rings are used to join two parts of a machine, engine or another often mechanical assembly by filling the space between both parts, creating a filled and sealed space in between. This seal prevents particle, vapour and fluid ingress or leakage to protect and maintain the joint or pressure whilst keeps debris out, ensuring proper function and safety. Gaskets and O-rings are used in various fields and industries including automotive, aerospace and general engineering.

How do gaskets and O-rings work?

A gasket or O-ring is seated between two parts, often in a groove in one of the two parts to be joined, then compressed between these two components to the corresponding groove creating a securely sealed joint. They can be used in dynamic joints where there is movement as well as in static or fixed applications.

Types of gaskets and O-rings

Gaskets and O-rings come in various materials suited to different purposes. Some have a high-temperature tolerance for use in both hot and cold applications, while others are made to be chemically resistant for use in lab or test equipment. Available in a wide range of sizes both in single size packs or in kits for general maintenance or when looking after a range of sealed part to ensure the correct size is available.

Gaskets and O-rings are typically made of elastomers like nitrile rubber and silicone, but they also come in plastics and other materials. This variety of material allows for specific gaskets and O-rings to be used to ensure the best fitting and most reliable seal.

Sizes vary between types both in diameter and thickness, these variations help provide an exact and precise seal to protect the joint. Both Metric and Imperial sizes are available to replace new and old gaskets and o-rings whether maintaining modern parts or older machines, engines and other mechanical parts.


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Description Price Inside Diameter Outside Diameter Thickness Type Material Minimum Operating Temperature Maximum Operating Temperature
RS庫存編號 689-574
BrandRS PRO
HK$29.57
毎包:50 個
Bag(s)
1/8in 1/4in 1/16in O-Ring Seal Nitrile Rubber -30°C +120°C
RS庫存編號 689-697
BrandRS PRO
HK$53.78
毎包:50 個
Bag(s)
11/16in 7/8in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS庫存編號 128-962
BrandRS PRO
HK$73.12
毎包:50 個
Bag(s)
32.5mm 38.5mm 3mm O-Ring Seal Nitrile Rubber -30°C +120°C
RS庫存編號 128-805
BrandRS PRO
HK$38.88
毎包:50 個
Bag(s)
4.1mm 7.3mm 1.6mm O-Ring Seal Nitrile Rubber -30°C +120°C
RS庫存編號 128-978
BrandRS PRO
HK$73.58
毎包:50 個
Bag(s)
39.5mm 45.5mm 3mm O-Ring Seal Nitrile Rubber -30°C +120°C
RS庫存編號 196-5966
BrandRS PRO
HK$91.95
毎包:10 個
Bag(s)
44.12mm 49.36mm 2.62mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5063
BrandRS PRO
HK$58.15
毎包:20 個
Bag(s)
59.5mm 65.5mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5441
BrandRS PRO
HK$51.61
毎包:10 個
Bag(s)
85mm 87mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5366
BrandRS PRO
HK$54.76
毎包:50 個
Bag(s)
3mm 4.36mm 0.68mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5967
BrandRS PRO
HK$89.04
毎包:10 個
Bag(s)
45.69mm 50.93mm 2.62mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5976
BrandRS PRO
HK$106.67
毎包:10 個
Bag(s)
59.99mm 65.23mm 2.62mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5048
BrandRS PRO
HK$81.90
毎包:50 個
Bag(s)
38mm 44mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5064
BrandRS PRO
HK$59.36
毎包:20 個
Bag(s)
60mm 66mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5442
BrandRS PRO
HK$51.61
毎包:10 個
Bag(s)
90mm 92mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5382
BrandRS PRO
HK$30.04
毎包:50 個
Bag(s)
1.8mm 3.8mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5657
BrandRS PRO
HK$40.34
毎包:25 個
Bag(s)
7mm 10mm 1.5mm O-Ring FKM -15°C +200°C
RS庫存編號 196-6031
BrandRS PRO
HK$130.60
毎包:5 個
Bag(s)
91.67mm 98.73mm 3.53mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5702
BrandRS PRO
HK$63.48
毎包:25 個
Bag(s)
10mm 14mm 2mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5007
BrandRS PRO
HK$94.13
毎包:50 個
Bag(s)
40mm 45.3mm 2.65mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4930
BrandRS PRO
HK$24.96
毎包:10 個
Bag(s)
80mm 84mm 2mm O-Ring Nitrile Rubber -30°C +90°C