The Iron Padlock series is made of high-quality cast iron or stamped steel plates, offering an affordable price, sturdy structure, and long-lasting durability, making it an economical choice for bulk procurement. The surface treatments include various finishes such as antique copper, titanium plating, and gray painting. Some models are equipped with waterproof protective covers, achieving an IP65 waterproof rating to withstand harsh outdoor environments. The series is suitable for applications such as construction sites, warehouses, cargo transportation, and agricultural facilities. It provides various specifications and key systems to meet different security requirements.
Product Features1. The solid one-piece iron lock body structure is strong and heavy-duty, capable of resisting daily impacts, grinding, and ordinary violent hammering damage.2. Precision brass lock cy...
Product Features1. High-quality iron material, sturdy and durable, with high cost-effectiveness.2. Precision lock cylinder, smooth unlocking, and low mutual opening rate.3. The lock body surface adopt...
Product Features1. High-quality iron material, sturdy and durable, with high cost-effectiveness.2. Precision lock cylinder, smooth unlocking, and low mutual opening rate.3. The lock body surface adopt...
Product Features1. The solid one-piece iron lock body is thick and stable, capable of resisting daily impacts, collisions, and common external forces. The lock body structure is not easy to deform or ...
Rongtao Hardware is a source factory for locks with over 30 years of experience. We support customized designs and are a trusted supplier for overseas buyers.
About Us
Zhejiang Rongtao Hardware Products Co., Ltd. is a China Iron Padlock Manufacturer and OEM/ODM Iron Gate Lock Factory, established in 2021 at No. 11 Wuhan Road in Shangxi Town, Yiwu City, Zhejiang Province, China. Our company owns the Yiwu Shengping Lock Factory, which boasts nearly 30 years of professional padlock manufacturing experience.
We have also established Yiwu Rongtao Renewable Resources Co., Ltd. to achieve strict control over raw materials for padlock production. With a commitment to integrity and on-time delivery, we have earned the lasting trust of our clients worldwide.
18,000 ㎡
Factory Area
30+
Industry Experience
100
Employees
20+
Export Countries
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It is 6:40 a.m. and a service van is parked outside a locked commercial unit. The electrician has the work order, the parts, and a two-hour window before the tenant arrives. What he does not have is the key, and the facilities manager is forty minutes away. Every trade runs into a version of this: ...
It is 11:40 p.m., your guest is standing on the porch, and the key is inside a small metal box that will not open. Nobody is driving over to help, and the first line of the review is already being written. Every host who runs self check-in has either lived that night or spent money to avoid it.
The...
You finish your workout, walk back to the changing room, and find that the lock on your gym locker is jammed or missing. It happens more often than people admit: the wrong padlock either fails to fit the locker hasp, rusts solid in a humid changing room, or gets cut in seconds because the shackle i...
Iron Padlock is the economical, sturdy choice for gates, doors, storage boxes and outdoor sites where cost control matters as much as durability. Zhejiang Rongtao Hardware Products Co., Ltd., a China Iron Padlock Manufacturer based in Yiwu City, Zhejiang Province, presents its iron range as iron gate lock and iron gate door lock solutions. The series is made of high-quality cast iron or stamped steel plates and covers four models: Imitation Brass Iron Padlock, Titanium Golden Iron Padlock, Grey Iron Padlock and IP65 Waterproof Iron Padlock with Protective Cover. As a Custom Iron Padlock Manufacturer and OEM/ODM Iron Padlock Factory, Rongtao supports brand LOGO laser marking, finish or cover color adjustment, and packaging printing and private labeling.
Iron Padlock Basics: Built for Bulk Procurement and Everyday Locking
The direct answer is that an iron padlock suits buyers who put price, sturdy structure and long-lasting durability first. According to Zhejiang Rongtao Hardware Products Co., Ltd., the series offers an affordable price and a sturdy structure that make it an economical choice for bulk procurement, with surface treatments that include antique copper, titanium plating and gray painting. The company owns the Yiwu Shengping Lock Factory, which has nearly 30 years of professional padlock manufacturing experience, and the series is offered in various specifications and key systems to meet different security requirements.
Cast iron or stamped steel plates
The series is suitable for construction sites, warehouses, cargo transportation and agricultural facilities, with an affordable price and long-lasting durability.
4models in the Iron Padlock series
7size options from 20 to 75 mm on the three surface-finish models
Surface finishesAntique copper, titanium plating and gray painting
IP65waterproof rating on the protective cover model
Iron Padlock Models Compared
The table below sets the four models side by side, using the parameters published on each product page of the Rongtao Iron Padlock series.
Parameter
Imitation Brass Iron Padlock
Titanium Golden Iron Padlock
Grey Iron Padlock
IP65 Waterproof Iron Padlock with Protective Cover
Lock Body
Iron
Iron
Iron
High-Quality Cast Iron
Shackle
A3 Steel
A3 Steel
A3 Steel
Hardened Steel
Size Options
20, 25, 32, 38, 50, 63, 75 mm
20, 25, 32, 38, 50, 63, 75 mm
20, 25, 32, 38, 50, 63, 75 mm
40, 50 mm
Finish or Cover
Spray Painting, imitation brass
Electroplating / Spray Painting, titanium gold
Spray Painting, matte grey
Colorful ABS waterproof protective cover
Unlocking
Key
Key
Key
Key
Number of Keys
2 Keys for 20 and 25 mm; 3 Keys for other sizes
2 Keys for 20 and 25 mm; 3 Keys for other sizes
2 Keys for 20 and 25 mm; 3 Keys for other sizes
2 Keys
Waterproof Rating
Not listed
Not listed
Not listed
IP65
Packaging
Color Box
White Box / Blister Card / Blister Packaging
White Box / Blister Card / Blister Packaging
White Box / Blister Packaging
Zhejiang Rongtao Hardware Products Co., Ltd. lists the same seven sizes for the Imitation Brass, Titanium Golden and Grey models, while the IP65 model is offered in 40 and 50 mm. That structure lets a buyer cover a wide size range with one finish, or move to the protective cover version for wet locations.
Imitation Brass Iron Padlock: Brass Look on a Solid Iron Body
The Imitation Brass Iron Padlock features a solid iron lock body with imitation brass spray painting on the surface for rust-resistant decorative treatment. It combines the sturdy, durable character of iron with a retro brass-like appearance and is described as a cost-effective and economical general-purpose anti-theft padlock.
Construction
Solid one-piece iron lock body that is strong and heavy-duty
Resists daily impacts, grinding and ordinary violent hammering damage
Standard steel shackle
Precision lock cylinder with smooth unlocking and a low mutual opening rate
Finish and Marking
Imitation brass spray painting gives a brass-like visual appearance
Complete specifications available, and laser marking is supported
Affordable price with low cost for bulk procurement
Suitable for home, commercial and industrial scenarios
Titanium Golden Iron Padlock: Metallic Finish with Three Cylinder Options
The Titanium Golden Iron Padlock uses a solid iron lock body with a titanium gold plating or titanium spraying process for rust-resistant decorative treatment. Its surface has a premium bright texture and a strong metallic appearance, which the product page describes as more attractive than ordinary iron padlocks. The design draws on the padlock manufacturing experience of the Yiwu Shengping Lock Factory owned by Zhejiang Rongtao Hardware Products Co., Ltd., and it is offered with three lock cylinder materials.
Plastic Lock CylinderListed option
Iron Lock CylinderListed option
Brass Lock CylinderListed option
High-quality iron material that is sturdy and durable, with high cost-effectiveness
Precision lock cylinder with smooth unlocking and a low mutual opening rate
Laser marking and engraving supported on the lock body
Surface treatment listed as Electroplating / Spray Painting
Strong versatility for basic security in home, commercial and industrial scenarios
Packaging in white box, blister card or blister packaging
Grey Iron Padlock: Matte Grey Coating for Everyday Locking
The Grey Iron Padlock features a solid iron lock body with a matte grey spray painting process for rust-resistant decorative treatment. The coating is described as uniform and delicate, and the model is offered in the same seven sizes as the other finish models. Zhejiang Rongtao Hardware Products Co., Ltd. also established Yiwu Rongtao Renewable Resources Co., Ltd. to keep strict control over raw materials for padlock production, which supports a series built on iron bodies.
Uniform and delicate matte coating
Dirt-resistant surface
Wear-resistant surface
Other listed features include high-quality iron material with high cost-effectiveness, a precision lock cylinder with smooth unlocking and a low mutual opening rate, and laser marking and engraving on the lock body. The page describes strong versatility for basic security scenarios in home, commercial and industrial use, with an affordable price and excellent overall cost performance.
IP65 Waterproof Iron Padlock with Protective Cover for Outdoor Sites
The IP65 Waterproof Iron Padlock with Protective Cover is the outdoor model of the series. It has a solid iron lock body and a standard steel shackle inside, with a colorful plastic protective cover fully wrapped around the exterior and a waterproof sealing rubber ring at the shackle connection. Zhejiang Rongtao Hardware Products Co., Ltd., which serves customers in more than 20 export countries, describes it as a highly cost-effective protective padlock for outdoor and humid environments.
Rainwater, moisture and dustThe threats at outdoor courtyard gates, open-air meter boxes and outdoor equipment boxes
Plastic cover and sealing rubber ringThe full cover and the ring at the shackle connection block entry to the lock cylinder
Protected lock cylinderRust and lock cylinder jamming or failure are prevented
40 and 50 mmSize options
2 KeysOriginal matching metal keys
IP65Waterproof rating
ABSWaterproof protective cover
Solid one-piece iron lock body that is thick and stable and not easy to deform or damage
All-weather waterproof and dustproof performance from the cover and sealing ring
Precision brass lock cylinder with a low mutual opening rate, not prone to jamming after long-term repeated use
Wear-resistant, scratch-resistant cover in bright colors for easy identification
Anti-slip grip that avoids the cold metal touch during outdoor use in winter
Cover supports LOGO engraving, with various styles available
Iron Gate Lock and Iron Gate Door Lock Applications
Buyers searching for an iron gate lock or an iron gate door lock will find gate and door scenarios listed on every model page. The Imitation Brass page lists fence gates, while the Titanium Golden, Grey and IP65 pages list fence gate locks, and the IP65 page adds outdoor courtyard gates. The series as a whole is suited to construction sites, warehouses, cargo transportation and agricultural facilities.
01
Gates and Doors
Outdoor courtyard gates
Fence gates
Fence gate locks
Courtyard small doors
Warehouse side doors
02
Boxes, Cabinets and Storage
Home storage cabinets
Shop storage rooms
Simple storage boxes
Ordinary toolboxes at construction sites
Water and electricity meter boxes
Courtyard storage boxes
Luggage
03
Outdoor Sites and Facilities
Outdoor warehouses
Construction site outdoor toolboxes
Open-air water and electricity meter boxes
Outdoor equipment boxes
Fishing boat storage cabinets
Community outdoor public facilities
Custom Iron Padlock Manufacturer: OEM/ODM Customization
Zhejiang Rongtao Hardware Products Co., Ltd. describes itself as a lock source factory with over 30 years of experience that supports customized designs and is a trusted supplier for overseas buyers. Its 18,000 sqm factory area and 100 employees support the OEM/ODM Iron Padlock Factory service, which meets the personalized procurement needs of different customers through three main routes.
01
Brand LOGO Laser Marking Listed on all four models for the lock body. The Titanium Golden and Grey models also support laser marking and engraving, and the IP65 cover supports LOGO engraving.
02
Color Adjustment Slight adjustment of spray paint colors on the Imitation Brass model, slight adjustment of titanium gold finish colors on the Titanium Golden model, and customized colors for the IP65 plastic protective cover.
03
Packaging Printing and Private Labeling Listed on all four models. The IP65 model lists printing and private labeling on outer packaging color boxes.
Iron Padlock Size and Key Configuration
Three of the four models share seven sizes from 20 mm to 75 mm. The key count depends on size: 2 keys for 20 and 25 mm, and 3 keys for the other sizes. The IP65 model is listed separately at 40 and 50 mm with 2 keys. Backed by its stated commitment to integrity and on-time delivery, Zhejiang Rongtao Hardware Products Co., Ltd. lists these configurations on the product pages so that buyers can plan bulk orders by size.
20
25
32
38
50
63
75
2 Keys (20 and 25 mm)3 Keys (32 to 75 mm)Values are sizes in mm
Choosing an Iron Padlock Model
Match the model to the site before sending an inquiry. Zhejiang Rongtao Hardware Products Co., Ltd. publishes its website in English, French, Spanish, German, Arabic and Italian, so overseas buyers can review each product page in their own language.
you want a retro brass look
the Imitation Brass Iron Padlock, spray painted, in sizes from 20 to 75 mm
you want a premium titanium golden metallic look
the Titanium Golden Iron Padlock, with plastic, iron or brass lock cylinder options
you want a dirt-resistant matte grey finish
the Grey Iron Padlock, in sizes from 20 to 75 mm
the lock will sit outdoors or in humid locations
the IP65 Waterproof Iron Padlock with Protective Cover, in 40 and 50 mm
Send your Iron Padlock requirementsContact Tony Xu at sales2@chinajiuzhou.com or WhatsApp +86-13735613379.
Can an iron padlock be used as an iron gate lock or iron gate door lock?
Zhejiang Rongtao Hardware Products Co., Ltd. offers its iron range as OEM/ODM iron gate lock and custom iron gate door lock solutions. The product pages list fence gates, fence gate locks, courtyard small doors, warehouse side doors and outdoor courtyard gates among the applications.
Is there a waterproof iron padlock?
Yes. The IP65 Waterproof Iron Padlock with Protective Cover has a colorful plastic protective cover fully wrapped around the exterior and a waterproof sealing rubber ring at the shackle connection. It is listed in 40 and 50 mm with 2 keys, and it is described as suitable for outdoor and humid environments.
Which finish should I choose: imitation brass, titanium golden or grey?
Imitation brass spray painting gives a brass-like appearance, titanium gold plating or spraying gives a premium bright metallic look, and matte grey spray painting gives a uniform, delicate coating that is dirt-resistant and wear-resistant. All three are described as rust-resistant decorative treatments on a solid iron lock body.
How does an iron padlock deal with rust and wet weather?
The series uses surface treatments such as antique copper, titanium plating and gray painting, and the three finish models are described as rust-resistant decorative treatments. For wet locations, the protective cover and sealing rubber ring on the IP65 model prevent rainwater, moisture and dust from entering the lock cylinder.
How strong is the body of an iron padlock?
The Imitation Brass model has a solid one-piece iron body that is strong and heavy-duty and resists daily impacts, grinding and ordinary violent hammering damage. The IP65 model has a thick, stable one-piece iron body that resists daily impacts, collisions and common external forces and is not easy to deform or damage.
What lock cylinder options are listed for iron padlocks?
The Titanium Golden model is offered with plastic, iron and brass lock cylinders. The IP65 model uses a precision brass lock cylinder with original matching metal keys, and the Imitation Brass and Grey models list a precision lock cylinder with smooth unlocking and a low mutual opening rate.
Are iron padlocks a good choice for bulk procurement?
The series description calls it an economical choice for bulk procurement because of its affordable price, sturdy structure and long-lasting durability. The Imitation Brass page notes a low cost for bulk procurement, and the IP65 page describes a highly cost-effective protective padlock.
Can iron padlocks be used on construction sites and agricultural facilities?
The series is described as suitable for construction sites, warehouses, cargo transportation and agricultural facilities. Model pages list ordinary toolboxes at construction sites, construction site outdoor toolboxes, outdoor warehouses and fence gates among the specific uses.
Do you offer private labeling on iron padlocks?
Yes. Customized product packaging printing and private labeling are listed on all four models, together with laser marking of the brand LOGO on the lock body. Packaging options include color box, white box, blister card and blister packaging, depending on the model.
Which iron padlock suits water and electricity meter boxes?
The Imitation Brass, Titanium Golden and Grey models list water and electricity meter boxes among their applications. For open-air meter boxes in humid or outdoor locations, the IP65 Waterproof Iron Padlock with Protective Cover lists open-air water and electricity meter boxes.