18 Feb, 2026 I want you to think about something for a second.
Every door in your house opens and closes dozens of times a day. The front door. The bedroom doors. The bathroom. Kitchen cabinets. Each time you touch them, the hinges do their job. You never think about them. You just expect them to work.
But here is the thing. Not all hinges are made the same. Some last for decades. Some start failing after a few years. The door starts scraping. The hinge squeaks. Rust shows up. Then you have to fix everything.
If you are building something new or replacing old hardware, you need to get this right. Today we are talking about SS Hinges 304G from CROWN ISI. These are butt hinges that work on both wooden doors and metal doors. Let me tell you what makes them good.
First, What Is A Butt Hinge?
Before we go deep, let us make sure we are talking about the same thing.
A butt hinge is that standard hinge you see on most doors. Two flat pieces of metal. One attaches to the door. The other attaches to the frame. A pin holds them together in the middle. When you open the door, the two pieces rotate around that pin.
Simple design. Nothing fancy. But here is the catch. Simple does not mean easy to make well.
The good ones use quality metal and are cut with care. The cheap ones are rushed and fail fast.
CROWN ISI makes their SS Hinges for people who want things done right.
Why 304G Stainless Steel?
You see "304G" stamped on hinges and wonder what it actually means. It is not just a fancy number. It tells you what the metal is made of.
Normal steel is mostly iron. Iron loves water. Give it moisture and it starts turning into rust. Little orange spots at first. Then bigger patches. Eventually the metal just falls apart.
304 stainless steel fixes this by adding two things.
Chromium goes in first. About 18 percent. This creates a shield on the surface. Water cannot get through to the iron. And if something scratches that shield, it fixes itself. The chromium reacts with air and builds the protection right back.
Nickel goes in next. About 8 percent. This makes the metal stronger and gives it that clean look people like.
When CROWN ISI makes their SS Hinges 304G, they stick to this recipe. No cutting corners. No cheap substitutes. You get real 304 grade material.
Using These Hinges On Wooden Doors
Wooden doors are common in most homes. They look good. They feel solid. But they are heavy. A solid wood door weighs a lot. The hinges have to handle that weight every single day.
What Wooden Doors Need From Hinges
Wooden doors need a few things from their hinges. First, the hinge needs enough surface area to spread the weight. Second, the screws need to grip well into the wood. Third, the hinge needs to move smoothly so the door opens easy.
CROWN ISI SS Hinges 304G give you all three. The leaves are wide enough to spread the load. The screw holes are placed right for good grip. And the pin rotates smooth without sticking.
Putting Them On Wooden Doors
When you install SS Hinges on a wooden door, take the time to cut a recess. This lets the hinge sit flush with the wood surface. The weight sits on the wood, not just on the screws.
Use screws long enough to bite deep into the door frame. Drill pilot holes first so you do not split the wood. Take your time. It pays off.
Using These Hinges On Metal Doors
Metal doors are different. You see them in offices, factories, and commercial buildings. They need hinges that can handle frequent use and sometimes heavy weight.
What Metal Doors Need From Hinges
Metal doors need hinges that match the material. If you use the wrong metal, you can get galvanic corrosion. That is a fancy term for two different metals reacting and rusting faster.
SS Hinges 304G work perfect with metal doors because they are the same type of material. No reaction. No extra rust.
Putting Them On Metal Doors
Metal doors usually need welding or bolting. Some SS Hinges come with holes for bolts. Others are made for welding. CROWN ISI offers both types.
Make sure everything lines up before you weld or bolt. Once it is on, it is hard to move.
What Makes CROWN ISI Hinges Different
You can find SS Hinges everywhere. Local shops. Online stores. Big hardware chains. So why pick CROWN ISI?
Run Your Finger Along The Edge
Pick up a cheap hinge. Run your finger along the edge. Feels rough, right? Maybe even sharp. That happens when the maker rushes the job. They punch out the shape and call it done.
Now pick up a CROWN ISI hinge. Run your finger along that same edge. Smooth. No rough spots. No sharp edges. They take the time to finish things right.
That smooth surface also means dirt and moisture slide off. Your hinges stay cleaner with less work.
Check The Holes
Cheap hinges often have holes that are slightly off. You hold them up to the door and nothing lines up. Then you have to drill new holes or force screws in crooked.
CROWN ISI cuts their SS Hinges 304G with care. Every hole is where it should be. You put the hinge in place, mark your spots, and drive the screws in. Five minutes and you are done.
Feel The Weight
Pick up a cheap hinge. Notice how light it feels? Flimsy? Like you could bend it with your hands?
Now hold a CROWN ISI hinge. There is weight there. Substance. The metal is thick enough for the job. It will not bend when you put a heavy door on it.
How They Handle Daily Use
Every time you open a door, you put stress on the hinges. Open it ten times a day for a year. That is over three thousand cycles. Over ten years, thirty thousand times.
A weak hinge gets tired. It starts to bend a little. Then a little more. Soon the door sags. It scrapes the floor. The latch does not line up.
CROWN ISI builds their SS Hinges 304G to handle this day after day. The metal holds its shape. Hot weather, cold weather, it does not matter. The hinge stays straight.
Different Sizes For Different Jobs
Not all doors are the same. You need different size hinges for different doors.
Common Sizes For Homes
Most house doors use 3 inch, 4 inch, or 5 inch hinges. A 3 inch hinge works for light interior doors. A 4 inch hinge is good for standard bedroom doors. A 5 inch hinge handles heavier doors.
Bigger Sizes For Heavy Doors
For commercial doors or thick wooden doors, you might need 6 inch hinges or larger. Some industrial jobs need even bigger sizes.
CROWN ISI makes SS Hinges 304G in many sizes. Pick the one that matches your door.
Ball Bearing Hinges vs Standard
You might hear about ball bearing hinges. These have small bearings between the knuckles to make the action smoother.
When Ball Bearings Help
Ball bearing hinges are good for heavy doors that get used a lot. The bearings cut down friction. The door opens easier. They also last longer under heavy use.
Some ball bearing SS Hinges 304G can handle doors over 100kg. They are tested for thousands of cycles.
When Standard Is Fine
For normal home use, standard hinges work great. They are simpler and cost less. For most houses, they are all you need.
Fire Rated Hinges
If you are working on a commercial building or apartments, you might need fire rated hinges.
Fire rated hinges are tested to keep working even in a fire. They hold the door in place so smoke and flames cannot spread. Some SS Hinges are tested to last through hours of fire.
CROWN ISI offers fire rated options. Ask your dealer about ratings if you need them.
Questions People Ask About These Hinges
Here are the things people usually want to know about SS Hinges 304G from CROWN ISI.
1. What is the difference between SS Hinges 304G and regular steel?
Regular steel rusts. SS Hinges 304G have chromium and nickel that stop rust. The 304G lasts for decades. Regular steel fails in a few years.
2. Can I use the same hinges on wood and metal doors?
Yes. CROWN ISI SS Hinges 304G work on both. Just use the right attachment. Screws for wood. Bolts or welding for metal.
3. How much weight can these hinges hold?
Depends on the size. Small hinges hold less. Large hinges hold more. Some heavy duty SS Hinges hold over 100kg. Check the specs for the size you buy.
4. Will these rust in a bathroom?
No. Bathrooms have moisture that kills regular hinges. SS Hinges 304G handle it fine. No rust, no problems.
5. What size hinge do I need for my door?
Standard interior doors use 3.5 inch or 4 inch hinges. Heavier doors need 5 inch or 6 inch. If you are not sure, ask your carpenter or the shop.
6. Do I need ball bearing hinges?
For normal home use, no. Standard works fine. For heavy doors or doors used constantly, ball bearings help.
7. Are CROWN ISI hinges made in India?
Yes. CROWN ISI makes their SS Hinges in India with quality materials and careful manufacturing.
8. How do I install these on a metal door?
Metal doors need welding or bolting. If you are not experienced, hire someone. Getting it right matters.
9. Can I use these for outdoor gates?
Yes. SS Hinges 304G are perfect outside. Rain and sun do not hurt them.
10. Do these come with screws?
Most SS Hinges come with matching screws. Use stainless steel screws so everything matches.
11. What is the warranty?
CROWN ISI stands behind their products. Ask your dealer about specific warranty terms.
12. Why choose CROWN ISI over cheaper options?
Because cheaper options fail. They rust. They bend. They make your door sag. Then you buy new ones anyway. CROWN ISI SS Hinges 304G last for decades. Buy once and forget about them.
Final Thoughts
Picking the right hinges seems like a small thing. But it makes a big difference in how your doors work and how long they last.
SS Hinges 304G from CROWN ISI give you quality you can trust. They work on wooden doors. They work on metal doors. They handle the weight. They resist rust. They keep working year after year.
So next time you need hinges, look for CROWN ISI. Ask for SS Hinges 304G. Get the right size for your door. Spend a little more now and save yourself a lot of headache later.
Your doors will thank you. Every time you open them, you will feel the difference.
