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Help Center304 Stainless Steel Stamping Parts Hinge Leaves for Door and Window Hardware
Product Spotlights
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Product Spotlights
Hinge leaves for door and window hardware are stamped from 304 stainless steel sheet, covering the corrosion exposure of bathroom doors, coastal buildings and outdoor gates without any plating step. Each leaf is blanked and formed with countersunk screw holes and positioning dimples punched in the same stroke, holding hole positions to ±0.05 mm standard tolerance so mating leaves align directly during assembly. The knuckle edge is formed to suit pin assembly, and leaf thickness follows the hardware class from 0.3 to 6.0 mm. Passivation or brushing can be specified for exposed faces, and MOQ starts at 1 piece negotiable for hardware sets.
Key Features
304 stainless steel without plating — Corrosion resistance is built into the material, removing the plating step and its cost from bathroom, coastal and outdoor hardware.
Countersunk holes punched, not drilled — Screw heads sit flush, and the punching operation holds countersink depth consistently across the batch.
Positioning dimples formed in the same stroke — Dimples locate the mating leaf and knuckle during assembly, keeping leaves aligned without filing.
±0.05 mm hole position tolerance — Mating leaves align directly, which matters for three-leaf hinges assembled from separate stampings.
Material grade options by exposure — 201 for interior economics, 316 for coastal and chloride exposure, 430 for magnetic and cost-sensitive lines.
Brushed or passivated faces available — Exposed leaf faces can be brushed for appearance or passivated for stain resistance.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| Material | Stainless steel 304; 201 / 316 / 430 optional |
| Sheet Thickness | 0.3 - 6.0 mm, per hardware class |
| Process | Blanking, punching, forming, trimming |
| Tolerance | ±0.05 mm standard; tighter tolerances discussable |
| Hole Types | Countersunk screw holes, positioning dimples, pin bore |
| Surface Finish | Raw 304, brushed, passivated |
| Press Capacity | 25T - 500T, 100+ sets of stamping machinery |
| MOQ | 1 Piece (negotiable depending on order volume) |
| Lead Time | 15 - 30 working days after sample approval |
| Port of Shipment | Tianjin / Qinhuangdao |
Typical Applications
Door and window hinge leaves for residential and commercial hardware
Furniture hinge and flap hinge leaves
Cabinet and wardrobe hinge components
Bathroom and wet-area door hardware leaves
Outdoor gate and railing hinge leaves
Why Choose Us
Hinge sets are judged by how the two leaves meet: if hole positions drift, installers compensate with filing and the hardware reviews poorly. Stamping both leaves on progressive tooling with hole positions referenced to one datum keeps the pair aligned straight off the press. Producing in 304 removes the plating step entirely for wet and coastal installations, and grade swaps to 201 or 430 are possible on the same die set when the interior version of the same hinge is needed. In-house die making supports hinge size variations across a hardware range without repeated tooling charges.
Company Profile
Cangzhou Honglang Hardware Manufacturing Co., Ltd. was established in 2017 and operates a 3,000-5,000 square meter factory with 51-100 employees, including 5-10 quality inspectors. Quality system: ISO 9001 (No. GH003-2023Q0664) and IATF 16949 (No. 130220/A/0001/SM/ZH). Equipment: 100+ sets of stamping machinery with presses from 25T to 500T, plus in-house die design and die manufacturing. Nearly 1,000 part types are produced for door and window hardware, automotive, central HVAC, furniture machinery, electronics, wind power and telecom industries, and exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East and Western Europe. Send your drawing or sample for a tooling and quotation review.
FAQ
1. Can you produce hinge leaves to our hardware drawing?
Yes. We work from PDF drawings, 2D/3D CAD files or samples. Please confirm leaf thickness, knuckle form, screw hole pattern and finish so the progressive die can be quoted.
2. What is the MOQ?
MOQ is 1 piece, negotiable depending on order volume and customization.
3. Can samples be provided before mass production?
Yes. Sample leaves are produced for assembly trial with your pin and screw set before mass stamping.
4. Which stainless grades are available?
304 as standard; 201 for interior economics, 316 for coastal and chloride exposure, 430 for magnetic requirements — same die set where thickness matches.
5. Is plating required for 304 hinge leaves?
No. 304 provides corrosion resistance without plating; passivation or brushing can be added for exposed faces.
6. What tolerance can you hold?
±0.05 mm standard; tighter tolerances are discussable depending on the feature and thickness.
7. How is quality controlled?
Hole positions and countersink depth are checked during production by 5-10 quality inspectors against the drawing.
8. What is the lead time?
15-30 working days after sample approval; delivery time depends on order quantity.
9. Do you support ODM and OEM?
Yes. Both ODM and OEM are supported, including production to your sample or drawing with in-house dies.
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