

IP68 O-Ring Sealed Bolt
IP68 O-Ring Sealed Bolt, Stainless Steel/Carbon Steel, Plain stainless steel, for waterproof sealing.
| Sealing Method | Sealing ring |
|---|---|
| Seal Material | Silicone / EPDM |
| Protection Rating | IP68 |
| Pressure Rating | To specification |
| Temperature Range | -40℃ ~ +150℃ |
| Material | 304 stainless steel |
| Finish | Plain stainless steel |
| Features | Sealed and waterproof, corrosion resistant, for e-drive systems |
Overview
Sealing fasteners close a joint against water, dust or gas ingress while still carrying mechanical load. The seal is usually achieved by a moulded elastomer element under the head or by a pre-applied sealant bead, so the fastener must be tightened to a defined preload — too little and the seal leaks, too much and the elastomer is crushed and takes a permanent set. This listing: sealing Sealing ring, protection IP68, material 304 stainless steel, finish Plain stainless steel.
What sets this listing apart: Features Sealed and waterproof.
Advantages
Preload control is the sealing parameter: the elastomer needs a defined compression band, so the torque specification is tighter than for a plain fastener.
Reusable designs hold their seal through several service openings, which matters on equipment with scheduled maintenance.
An integral seal removes the separate O-ring or gasket from the assembly, eliminating a handling step and a common source of line stoppage.
Applications
Outdoor electronics enclosures, automotive underbody and lighting modules, pump and valve bodies, and equipment that must hold an IP rating after service.
State the required IP or pressure rating and the number of expected re-openings. A seal that passes a leak test when new may not survive the third service cycle.
Product information is supplied by Toprecision. Custom parts can be produced to drawing — contact us for samples or a quotation.
Specifications across this series
2 parts in this series
| Part | Seal Material | Material | Finish | Sealing Method |
|---|---|---|---|---|
| IP68 O-Ring Sealed Bolt · Silicone / EPDM / 304 stainless steel / Plain stainless steel | Silicone / EPDM | 304 stainless steel | Plain stainless steel | Sealing ring |
| IP68 Pre-Applied Sealant Sealed Bolt · Silicone / EPDM / 304 stainless steel / Plain stainless steel | Silicone / EPDM | 304 stainless steel | Plain stainless steel | Pre-applied adhesive |
Values are taken from each part’s own attribute set. Changing length, material or finish changes pull-out strength and installation torque, so compare the row that matches your drawing.
Selection and test data: engagement length, standards, salt-spray hours
FAQ
What are the key dimensions of this part?
Sealing Method Sealing ring, Seal Material Silicone / EPDM, Protection Rating IP68, Pressure Rating To specification.
What material and finish is it supplied in?
Silicone / EPDM; 304 stainless steel; Plain stainless steel.
What should I verify before ordering or installing it?
State the required IP or pressure rating and the number of expected re-openings. A seal that passes a leak test when new may not survive the third service cycle.