Product Specifications & Ziax Advantages
| Attribute | Details |
|---|---|
| Model Number | HSA098Z1 |
| Material | Stainless Steel + Durable Nylon + ABS |
| Finish | Brushed Steel (anti-rust, elegant look) |
| Bolt Size | M6 × 1.0 (standard fit for most toilets) |
| Cover Plate Diameter | Ø 43.8 mm |
| Load Capacity | Designed for high strength & long-term stability |
| Installation Method | Top Fixing – Easy DIY & Tool-Friendly |
| Compatibility | Fits most round & elongated toilet seats in EU, US, Turkey, India |
| Ziax Advantage | ✔ Anti-corrosion steel ✔ Universal fitting ✔ Easy cleanin |
HSA098Z1 Top-Fix Toilet Seat Hinge
Stainless Steel Toilet Seat Hinge for Top-Fix Installation
The ZIAX HSA098Z1 toilet seat hinge is a top-fix hinge made with stainless steel, nylon and ABS components. The current model specification lists an M6 × 1.0 bolt, a Ø43.8 mm cover plate and a brushed steel finish. It is intended for applications where the hinge is installed and tightened from above the ceramic bowl.
For replacement, OEM or bulk sourcing, compatibility should be confirmed from the bowl fixing-hole centers, ceramic-hole diameter, hinge adjustment range, seat-side interface and rear seat geometry. An adjustable hinge can serve a range of toilet seats, but it should not be treated as a guaranteed fit for every bowl or seat model.
HSA098Z1 Toilet Seat Hinge Specifications
| Specification | HSA098Z1 | Buyer Check |
|---|---|---|
| Product type | Top-fix toilet seat hinge | Confirm that the bowl and installation method are suitable for top-side fastening. |
| Material | Stainless steel + nylon + ABS | Confirm any project-specific material or visible-finish requirement before approval. |
| Finish | Brushed steel | Approve appearance against a physical sample when finish consistency is important. |
| Bolt size | M6 × 1.0 | Check thread, required bolt engagement and ceramic fixing-hole dimensions. |
| Cover plate diameter | Ø43.8 mm | Confirm rear-seat clearance and the visible mounting area around the ceramic holes. |
| Installation method | Top fixing | Confirm the fixing system can be tightened securely from above the bowl. |
The dimensions above apply to the A098-0000 model. They should not be treated as specifications for every ZIAX toilet seat hinge.
Why Use a Top-Fix Toilet Seat Hinge?
Top-fix mounting is useful when the installer cannot conveniently reach the underside of the ceramic fixing area.
An adjustable hinge helps center the seat over the bowl when the fixing-hole position falls within the actual adjustment range.
Correct positioning and tightening help control lateral movement and reduce the loose or wobbly feel caused by poor fixation.
The Ø43.8 mm brushed cover plate provides a clean visible finish around the hinge mounting area.
Stainless steel, nylon and ABS are used in the HSA098Z1 assembly, allowing different components to perform structural and interface functions.
The hinge can be evaluated for replacement and toilet-seat production programs after the bowl and seat interfaces are confirmed.
How to Confirm Toilet Seat Hinge Compatibility
| Fit Item | What to Measure or Confirm | Risk if Ignored |
|---|---|---|
| Bowl fixing-hole centers | Record the center-to-center spacing between the two ceramic mounting holes. | The hinge may sit at the edge of its adjustment range or fail to center the seat. |
| Ceramic-hole diameter | Measure the mounting-hole diameter and identify the top-fix plug or expansion system required. | The fixing may not lock securely inside the ceramic hole. |
| Seat-side interface | Provide the hinge block, shaft, mounting plate or seat drawing that connects to the hinge. | Bowl-side dimensions can match while the hinge still does not connect correctly to the seat. |
| Rear-seat geometry | Check the seat rear edge, cover-plate clearance, tank/wall clearance and opening path. | The seat or lid may interfere with the tank, wall or hinge cover during movement. |
| Bumper support | Verify that the seat bumpers land on stable ceramic areas when the seat is loaded. | Poor support can increase wobble and local stress around the hinge area. |
When a Slow Close Toilet Seat Hinge System Is Required
The HSA098Z1 is a top-fix toilet seat hinge; the listed product specification does not by itself establish a slow-closing function. A slow close toilet seat hinge system requires a compatible damper or an integrated damping structure to control the descent of the seat or lid.
For soft-close programs, send the seat and lid weight, hinge interface, damper location, required closing behavior and any relevant cycle criteria. The mounting hinge and damper should be evaluated together because a correctly fixed seat can still close too quickly or too slowly if the damper is mismatched.
Top-Fix Installation and Final Fit Check
Check the Bowl
Measure the fixing-hole centers and hole diameter, then confirm the top-fix hardware suits the ceramic holes.
Set the Hinge Position
Place the hinge bases within the adjustment range and center the toilet seat before final tightening.
Tighten Evenly
Secure both sides progressively so the seat remains aligned and the fixing load is balanced.
Verify the Complete Seat
Open and close the seat, check bumper contact, confirm rear clearance and verify that lateral movement is controlled.
Do not over-tighten fixing hardware in an attempt to correct a geometry mismatch. If the hinge is forced to an extreme adjustment position, re-check the seat and bowl fit.
For Toilet Seat Manufacturers and Wholesale Programs
For toilet seat manufacturers, the hinge specification should be frozen together with the approved seat drawing, bowl fit, fixing method and any damper interface. This helps prevent a hardware change from affecting seat alignment or soft-close performance during later production.
For toilet seat suppliers handling replacement and private-label projects, use the HSA098Z1 dimensions as a model-specific reference and request a fitted sample when the target bowl is not already validated. Buyers sourcing wholesale toilet seats should keep the hinge model tied to each approved seat SKU instead of treating one hinge as interchangeable across the whole product range.
When comparing toilet seat wholesale suppliers, confirm more than the hinge unit price. The quotation should identify the approved hinge model, included fixing components, surface finish, packaging scope, applicable inspection points and any OEM/ODM requirements.
- Send the toilet-seat and bowl drawing or a fitted reference sample.
- Confirm fixing-hole centers, ceramic-hole diameter and top-fix system.
- Identify the seat-side hinge interface and required adjustment range.
- State standard-close, soft-close or quick-release requirements separately.
- Provide quantity, destination country, branding and packaging requirements.
- For OEM/ODM projects, approve drawings and physical samples before bulk production.
Quality and Order Confirmation
We manufacture toilet seats and supporting bathroom fittings including hinges and dampers. Our company profile lists BSCI and ISO certifications, a 10-person QC team and 100% product inspection. For an HSA098Z1 order, the inspection plan should still identify the model-specific dimensions, finish, fixing components and functional checks required by the buyer.
| Approval Point | What to Confirm |
|---|---|
| Model identity | HSA098Z1 and the approved drawing or sample. |
| Critical dimensions | M6 × 1.0 bolt, Ø43.8 mm cover plate and buyer-defined fit dimensions. |
| Appearance | Brushed finish, visible cover condition and any agreed cosmetic acceptance criteria. |
| Fixing function | Secure top-fix installation and stable seat alignment on the approved fit setup. |
| Packaging / OEM | Included components, labels, branding, packing method and carton requirements. |
Related Toilet Seat and Hinge Sourcing Paths
Toilet Seat Hinge FAQ
A top-fix toilet seat hinge is installed and tightened from above the ceramic bowl. It is useful when the underside of the fixing area is difficult or impossible to access. The ceramic-hole size and fixing system still need to match the hinge hardware.
The current HSA098Z1 specification lists stainless steel, nylon and ABS construction, a brushed steel finish, an M6 × 1.0 bolt, a Ø43.8 mm cover plate and top-fix installation.
No. Compatibility depends on the bowl fixing-hole centers, ceramic-hole diameter, top-fix hardware, adjustment range, seat-side interface and rear-seat geometry. Send a drawing or sample when the fit has not already been validated.
The HSA098Z1 is specified as a top-fix hinge. Slow-close performance requires a compatible damper or an integrated damping structure. If soft close is required, send the seat/lid weight and hinge interface so the complete system can be matched.
Provide the seat and bowl drawings, fixing-hole centers, ceramic-hole diameter, seat-side hinge interface, closing function, quantity, destination market, branding and packaging requirements. A fitted sample is preferred for a new seat program.
Yes. The HSA098Z1 can be evaluated for replacement, OEM and wholesale programs after fit is confirmed. Keep the approved hinge model tied to the corresponding toilet-seat SKU, and include quantity, packaging and destination requirements in the inquiry.
Send Your Seat and Bowl Drawing for Top-Fix Hinge Matching
Please include the fixing-hole centers, ceramic-hole diameter, seat-side hinge interface, standard-close or slow-close requirement, quantity, destination country, and any OEM or packaging requirements.
Get Hinge Matching & Quote
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