Heavy-Duty Weld-On Butt Hinge Without Mounting Holes
This industrial butt hinge has two plain leaves for welding directly to a door, frame or fabricated assembly. The photographed sample is marked SUS304. Its compact barrel and no-hole leaves suit custom fabrication where the hinge position is fixed during welding.
Reference Specifications
| Product type | Heavy-duty weld-on butt hinge with plain leaves and no mounting holes. |
|---|---|
| Material shown | SUS304 stainless steel, as marked on the photographed sample. |
| Custom materials | Other stainless steel grades, carbon steel, aluminum alloy and special alloys can be evaluated against the drawing, load and welding requirements. |
| Reference model | HJL040A-3. |
| Reference size | 40 × 40 × 3 mm, as shown in the supplied dimension image. |
| Barrel and pin | Reference outer barrel diameter 9 mm and pin diameter 5 mm. |
| Other sizes | The supplier listing shows multiple sizes, including larger heavy-duty formats; confirm the exact leaf dimensions, thickness, barrel and pin for quotation. |
| Installation | Weld-on attachment. Welding procedure and distortion control depend on the selected material and assembly. |
Applications and Customization
Typical enquiries include truck side doors, equipment enclosures, access panels, cabinets, gates and fabricated machinery. Load capacity is not stated from appearance alone; provide door mass, hinge spacing, opening angle and expected operating cycles for selection review.
Custom orders can specify leaf length and width, thickness, barrel diameter, pin size, opening range, material grade, surface finish, markings and packaging. Material availability and weld compatibility are confirmed during quotation.






