Description
Features
Quality elastomeric compounding to meet specifications for elasticity, memory, temperature extremes, chemical-, ozone-, and sunlight-resistance.
Conical design directs flow of facing materials to form a seal conforming to both fastener and sealing surface.
Full-face design cushions fragile surfaces and minimizes vibration.
Inside diameter sizes for #4 diameter screw to 1 1/2″ diameter bolts and corresponding metric range.
Outside diameter sizes from 1/4″ to 3″ and corresponding metric range.
Choice of an infinite number of backing materials.
Choice of various colors and finishes available.
Choice of various facing materials.
Backing Materials
Galvanized Steel
Aluminum
Stainless Steel
316 Stainless Steel
Dimensions
| SCREW & BOLT SIZE (mm) | SCREW & BOLT SIZE (US STD) | Backing ID (mm) | Backing ID (Decimal) | OD 6.3 mm | 1/4″ | OD 9.5 mm | 3/8″ | OD 11 mm | 7/16″ | OD 12 mm | 15/32″ | OD 13 mm | 1/2″ | OD 14 mm | 35/64″ | OD 14 mm | 9/16″ | OD 15 mm | 19/32″ | OD 16 mm | 5/8″ | OD 17.5 mm | 11/16″ | OD 18.3 mm | 23/32″ | OD 19 mm | 3/4″ | OD 20 mm | 25/32″ | OD 22 mm | 7/8″ | OD 25 mm | 1″ | OD 28 mm | 1-1/8″ | OD 30 mm | 1-3/16″ | OD 32 mm | 1-1/4″ | OD 35 mm | 1-3/8″ | OD 38 mm | 1-1/2″ | OD 41.3 mm | 1-5/8″ | OD 44.5 mm | 1-3/4″ | OD 47.6 mm | 1-7/8″ | OD 51 mm | 2″ | OD 57 mm | 2-1/4″ | OD 65.5 mm | 2-1/2″ | OD 70 mm | 2-3/4″ | OD 76 mm | 3″ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.9 | #4 | 3.3 | 0.12 | • | • | ? | ? | x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| 3.5 | #6 | 3.8 | 0.15 | • | • | ? | ? | x | ? | ? | ? | x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| 4.2 | #8 | 4.6 | 0.18 | • | • | • | • | ? | ? | ? | • | ? | x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | |
| 4.8 | #10 | 5.1 | 0.2 | • | • | • | • | • | x | • | • | ? | • | • | ? | • | • | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | x | |
| 5.5 | #12 | 6.1 | .230*.240 | •*x | •*x | •*x | •*x | • | • | • | • | ? | • | • | ? | • | • | • | • | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | |
| 6.3 | #14 | 7 | .260*.275 | •*x | • | • | • | • | ? | • | • | ? | • | • | • | • | • | ? | • | ? | ? | ? | ? | ? | ? | ? | ? | ||||
| 7.5 | #17 | 7.7 | 0.305 | • | • | ? | • | • | ? | • | • | • | • | • | ? | • | ? | ? | ? | ? | ? | ? | ? | ? | |||||||
| 8 | 5/16″ | 8.4 | .330.360* | x | • | ? | •*x | • | ? | • | • | • | • | • | ? | • | ? | ? | ? | ? | ? | ? | ? | ? | |||||||
| 9.5 | 3/8″ | 11 | .410*.434 | ? | •*x | • | ? | • | • | • | • | • | • | • | ? | ? | ? | ? | ? | ? | ? | ? | |||||||||
| 11.1 | 7/16″ | 12.1 | 0.475 | x | • | ? | • | • | • | • | • | ? | • | ? | ? | ? | ? | ? | ? | ? | ? | ||||||||||
| 12.7 | 1/2″ | 13.5 | 0.532 | x | • | • | • | • | ? | • | • | ? | ? | • | ? | ? | ? | ? | |||||||||||||
| 14 | 9/16″ | 15.2 | 0.6 | x | • | x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||
| 15.9 | 5/8″ | 16.5 | 0.65 | x | • | x | ? | • | x | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||
| 17.5 | 11/16″ | 18.8 | 0.72 | x | x | ? | x | ? | ? | ? | ? | ? | ? | ? | ? | ||||||||||||||||
| 19 | 3.4″ | 20.6 | 0.81 | • | ? | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||||||
| 22.2 | 7/8″ | 23.1 | 0.91 | • | ? | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||||||
| 25.4 | 1″ | 26.4 | 1.05 | ? | ? | ? | • | ? | ? | ? | ? | ||||||||||||||||||||
| 27 | 1-1/16" | 28 | 1.1 | ? | ? | ? | ? | ? | ? | ? | ? | ||||||||||||||||||||
| 28.6 | 1-1/8″ | 29.6 | 1.15 | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||||||||
| 30.2 | 1-3/16" | 31 | 1.22 | ? | ? | ? | ? | ? | ? | ? | |||||||||||||||||||||
| 31.8 | 1-1/4″ | 32.8 | 1.275 | ? | ? | ? | ? | ? | |||||||||||||||||||||||
| 40 | 1-9/16" | 40.6 | 1.6 |
*Only available from stock with this inside diameter.
• = Standard Outside Diameters
? = Special Order: Tooling charge and/or minimum order
x = Nonstandard Item: Minimum order required (Tooling available)
We suggest standard sizes for economy and availability.
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