Adjustable SS304 Toilet Seat Hinge for Controlled OEM Matching
HSA136Z1 is an adjustable toilet seat hinge specified with a 45 mm base diameter and a 130–180 mm adjustment range. The hinge body, pin cover and nut are SS304. M5, M6 and 1/4 in. thread options allow the fixing specification to be selected according to the approved toilet seat and ceramic bowl design.
When HSA136Z1 Is Within the Required Fit Range
The model should be evaluated when the required hinge-center position can be achieved within 130–180 mm and the available mounting area can accommodate a 45 mm base. Compatibility also depends on the ceramic mounting holes, selected screw thread and the seat-side hinge interface.
Do Not Select by Hole Spacing Alone
Confirm the bowl dimensions and toilet seat drawing together. A suitable center distance does not by itself prove that the base, fixing hardware and seat interface will assemble correctly.
HSA136Z1 Technical Specifications
| Specification | HSA136Z1 Details |
|---|---|
| Model No. | HSA136Z1 |
| Product Name | Toilet seat hinge |
| Base Diameter | 45 mm |
| Hinge Body | SS304 |
| Pin Cover | SS304 |
| Nut | SS304 |
| Screw Thread | M5 / M6 / 1/4 in. |
| Adjustment Range | 130–180 mm |
| Salt Spray Test | NSS 180 h |
| Components | Hinge body, screws, washers and nut |
| MOQ | 5,000 sets |
| Delivery Time | 25 days |
| Working Temperature Range | -20°C to +80°C |
| Customization | Customize according to customer drawings |
HSA136Z1 Component Specification
The purchasing specification should define the complete hinge assembly rather than treating the visible hinge body as the only controlled component.
The supplied product data identifies SS304 specifically for the hinge body, pin cover and nut. It does not specify the material of the screws and washers, so those components should not be described as SS304 unless confirmed in the approved order drawing.
Five Checks Before Approving HSA136Z1
Hinge-Center Distance
Measure the required center-to-center position and verify that final seat alignment remains within the 130–180 mm adjustment range.
45 mm Base Clearance
Confirm sufficient mounting area around the ceramic fixing points for the 45 mm base without interference.
Screw Thread
Define M5, M6 or 1/4 in. before ordering so the complete fixing set uses the approved thread specification.
Seat-Side Interface
Check the rear toilet-seat geometry and hinge connection dimensions rather than approving the hinge from the bowl measurements alone.
Final Assembly Drawing
Freeze dimensions, component configuration and any OEM changes in the approved drawing before bulk production.
HSA136Z1 Fit Approval Workflow
Measure
Record ceramic fixing-hole centers, hole dimensions and available rear mounting clearance.
Match
Compare the required position with the 130–180 mm range and check space for the 45 mm base.
Configure
Select the M5, M6 or 1/4 in. thread and confirm the complete screw, washer and nut arrangement.
Approve
Verify the assembly against the toilet seat drawing before the final product specification is released.
Test and Supply Specifications
HSA136Z1 includes defined salt spray, working-temperature, minimum-order and delivery specifications for procurement planning.
NSS identifies the specified neutral salt spray test duration. If your project uses a separate corrosion, appearance, cleaning chemical or market-specific acceptance requirement, include that requirement in the approved purchasing specification.
OEM Customization Based on Controlled Drawings
We can customize HSA136Z1 according to customer drawings. For a private-label or model-specific toilet seat program, provide the seat and bowl geometry together so the proposed hinge configuration can be checked before order approval.
- Toilet seat drawing and ceramic bowl drawing
- Center-to-center distance between fixing holes
- Mounting-hole dimensions and available rear clearance
- Required M5, M6 or 1/4 in. thread
- Seat-side hinge connection dimensions
- Required quantity and destination country
- OEM drawing revisions and packaging requirements
Related Hinge and Toilet Seat Resources
HSA136Z1 Toilet Seat Hinge FAQ
HSA136Z1 has a specified base diameter of 45 mm. The available mounting area around the ceramic fixing holes should be checked before approval.
The supplied HSA136Z1 specification identifies the hinge body, pin cover and nut as SS304.
The specified adjustment range is 130–180 mm. The required fixing position should remain within this range after the toilet seat is correctly aligned on the ceramic bowl.
The listed screw thread options are M5, M6 and 1/4 in. Confirm the required thread as part of the complete fixing configuration before ordering.
No. The adjustment range is only one matching condition. The 45 mm base, ceramic mounting holes, fixing hardware, rear seat geometry and seat-side hinge interface also need to be confirmed.
The supplied product specification lists an NSS neutral salt spray test duration of 180 hours. Any separate customer acceptance criterion should be defined before production approval.
Yes. The product data specifies customization according to customer drawings. Send the seat and bowl dimensions, hinge interface, fixing requirement, quantity and packaging requirements for review.
The supplied specification lists an MOQ of 5,000 sets and a delivery time of 25 days. Final order details should be confirmed together with the approved product specification.
Send Your HSA136Z1 Dimensions for Matching
Please include the fixing-hole centers, mounting-hole dimensions, available space for the 45 mm base, required M5, M6 or 1/4 in. thread, toilet seat drawing, quantity, destination country, and any OEM or packaging requirements.
Get HSA136Z1 Matching & Quote
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