FOACHI Hardware provides a comprehensive selection of steel door hinges engineered for strength, stability, and long-term performance. Our steel hinges are trusted by door manufacturers, contractors, wholesalers, and hardware distributors for their high load-bearing capacity, excellent cost-value ratio, and wide compatibility with residential and commercial doors.
Designed with premium cold-rolled steel and precision-machined bearings (1BB, 2BB, 4BB), our steel hinges deliver smooth operation, enhanced door security, and long-lasting durability—making them a reliable choice for both interior and exterior door applications.
Steel hinges are ideal for wooden, metal, and reinforced doors that require reliable support.
Compared to stainless steel, steel hinges offer high mechanical strength at a more competitive price, making them ideal for large-scale construction projects.
Choose the right hinge performance level:
1BB – Basic smooth rotation for interior doors
2BB – Enhanced stability, reduced friction
4BB – Premium anti-sag performance for heavy doors
FHP / CHP / R10 contours
Matte black, bronze, nickel, gold & custom colors available.
Perfect for interior wooden doors, lightweight metal doors, and residential use.
Representative Models:
Door Hinge Premium 3.5 × 3.0 × 2.0 (2BB FHP)
Door Hinge Premium 3.0 × 2.5 × 2.0 (2BB FHP)
Door Hinge Premium 4 × 3 × 2.5 (2BB FHP)
Door Hinge Premium 4 × 3.5 × 2.5 (2BB/1BB FHP)
Ideal for middle-weight wooden or metal doors in homes, offices, schools, etc.
Representative Models:
Premium 75 × 63 (2BB FHP)
Premium 100 × 70 (1BB FHP L/R)
Premium 100 × 75 (2BB / 4BB FHP / CHP)
Built for heavy wooden doors, metal doors, and high-traffic commercial entrances.
Representative Models:
Premium 125 × 75 (4BB FHP)
Premium 150 × 80 (2BB / 4BB FHP/CHP)
Premium 100 × 75 (3.0 mm thick 4BB FHP)
This 4-inch steel door hinge with 2 ball bearings is suitable for medium-duty internal doors. The scalloped contour improves alignment and provides smoother movement. Ideal for wooden doors, bedroom doors, and light commercial interior applications.

| Parameter | Specification |
|---|---|
| Total Size | 4" × 3.5" × 2.5 mm |
| Height | 125 mm |
| Width (Leaf) | 75 mm |
| Leaf Thickness | 2.5 mm |
| Pin Diameter | Ø11.5 mm |
| Hole Quantity | 8 holes |
| Horizontal Hole Spacing | 25.9 mm / 22.2 mm / 20.5 mm |
| Vertical Hole Spacing | 105.6 mm (top–bottom) |
| Edge Style | Scalloped contour |
| Bearing Type | 2 Ball Bearings (2BB) |
A compact 3-inch steel hinge built for small doors, cabinets, and storage units. Its precision pin and ball-bearing structure ensure quiet operation, making it ideal for utility doors, compact rooms, and light-duty internal spaces.

| Parameter | Specification |
|---|---|
| Total Size | 3.0" × 2.5" × 2.0 mm |
| Height | 102 mm |
| Width | 63.5 ±0.5 mm |
| Leaf Thickness | 2.0 mm |
| Pin Diameter | Ø11.0 mm |
| Hole Diameter | Ø6.0 mm |
| Horizontal Hole Spacing | 25.5 mm |
| Vertical Hole Spacing | 27.9 mm |
| Knuckle Angle | 90° |
| Bearing Type | 2 Ball Bearings |
A versatile 100×70 steel hinge with optional L/R orientation. The decorative finial enhances aesthetics, making it perfect for European-style wooden doors, interior room doors, and custom carpentry installations.

| Parameter | Specification |
|---|---|
| Total Size | 100 mm × 70 mm × 2.5 mm |
| Pin Diameter | Φ10.9 mm |
| Leaf Thickness | 2.5 mm |
| Hole Quantity | 8 holes |
| Horizontal Hole Spacing | 27.5 mm |
| Vertical Hole Spacing | 25 mm intervals |
| Orientation | Left / Right models |
| Finial Style | Decorative top finial |
| Bearing Type | 1 Ball Bearing |
This 75×63 compact steel hinge is ideal for lightweight interior doors. With two ball bearings, it offers improved smoothness, suitable for small wooden doors, bathroom doors, and residential renovation projects.

| Parameter | Specification |
|---|---|
| Total Size | 75 mm × 63 mm × 2.5 mm |
| Leaf Thickness | 2.5 mm |
| Pin Diameter | Φ10.8 mm |
| Hole Quantity | 6 holes |
| Horizontal Hole Spacing | 14.6 mm / 9.6 mm |
| Vertical Hole Spacing | 25 mm intervals |
| Bearing Type | 2 Ball Bearings |
A high-performance 4 ball-bearing steel hinge designed for heavy wooden doors. Excellent for solid-core doors, office interior doors, and quiet-close residential installations requiring durability.

| Parameter | Specification |
|---|---|
| Total Size | 100 mm × 75.5 mm × 3.0 mm |
| Leaf Thickness | 3.0 mm |
| Pin Diameter | Φ11.9 mm |
| Hole Quantity | 8 holes |
| Horizontal Hole Spacing | 17.8 mm / 9.8 mm |
| Vertical Hole Spacing | 25 mm intervals |
| Bearing Type | 4 Ball Bearings |
A heavy-duty 150 mm steel hinge engineered for high-load doors. Suitable for main entrance doors, heavy interior wooden doors, and commercial buildings. Custom corner radius offers broader door compatibility.

| Parameter | Specification |
|---|---|
| Total Size | 150 mm × 80 mm × 3.0 mm |
| Leaf Thickness | 3.0 mm |
| Pin Diameter | Φ15.4 mm |
| Corner Radius Options | R10 / R12 / R15 / R16 |
| Hole Quantity | 8 holes |
| Horizontal Hole Spacing | 18 mm / 15 mm / 13 mm |
| Vertical Hole Spacing | 82–89 mm |
| Pin Cap | Included |
A premium 4BB steel hinge for large, heavy-duty doors. Commonly used in luxury residential wooden doors, hotel room doors, and architectural interior door systems requiring maximum stability.

| Parameter | Specification |
|---|---|
| Total Size | 125 mm × 75 mm × 4.0 mm |
| Leaf Thickness | 4.0 mm |
| Pin Diameter | Φ15.6 mm |
| Hole Quantity | 8 holes |
| Horizontal Hole Spacing | 19.7 mm / 9.7 mm |
| Vertical Hole Spacing | 24 mm / 14.5 mm |
| Bearing Type | 4 Ball Bearings |
Provides excellent strength and stability.
1BB, 2BB, 4BB to match different door weights.
FHP/CHP surface protects hinge from corrosion.
Precision bearings ensure noise-free performance.
Standard hole spacing and screw pack included.
Interior wooden doors
Metal utility doors
Apartment doors
Commercial buildings
Storage room doors
Office partitions
School & hospital facilities
Warehouse applications
| Door Type | Recommended Hinge | Bearing | Thickness |
|---|---|---|---|
| Interior wooden door | 3.5" / 4" steel hinge | 1BB / 2BB | 2.0–2.5 mm |
| Medium metal door | 100–125 mm | 2BB | 2.5–3.0 mm |
| Heavy wooden door | 125–150 mm | 4BB | 3.0 mm+ |
| High-security door | 150 mm heavy-duty | 4BB | 3.0–4.0 mm |
Yes. Steel door hinges are strong, durable, and ideal for doors requiring high load capacity. They provide excellent value and are widely used in residential and commercial projects.
For heavy-duty applications: steel or stainless steel.
Steel hinges offer strength and affordability, while stainless steel adds corrosion resistance.
Raw steel may rust, but FOACHI steel hinges include anti-rust FHP/CHP coatings, significantly improving durability.
Steel hinge: stronger and more economical
Stainless steel: corrosion-resistant, ideal for coastal or humid environments
4BB heavy-duty steel hinges provide the stability required for high-traffic or heavy entrance doors.
Yes. Most FOACHI hinges use standard hole spacing and include screws, making DIY replacement simple.
Light interior door: 2 hinges
Heavy or tall door: 3 hinges
Security door: 3–4 hinges