Stainless Steel Padlock Manufacturer

A Stainless Steel Padlock built from 201 or 304 grade stainless steel is the standard choice for buyers who need a lock that resists rust in coastal air, chemical fumes, and constant humidity without losing its finish. Zhejiang Rongtao Hardware Products Co., Ltd. produces this line in disc-shaped body styles, supplying both a 201 stainless steel version for general-purpose use and a 304 stainless steel version for stronger acid and alkali resistance. As a China Stainless Steel Padlock Manufacturer, the company ships these locks to ships, docks, outdoor equipment sites, and chemical industrial parks where ordinary iron or zinc alloy locks corrode within a season.

Two Stainless Steel Grades, Two Different Jobs

Buyers sourcing a Stainless Steel Padlock usually have to choose between 201 and 304 stainless steel, and the two are not interchangeable on paper. The 201 Stainless Steel Disc Padlock offered by Zhejiang Rongtao Hardware Products Co., Ltd. is built for rust resistance and corrosion resistance in harsh outdoor environments, while the 304 Stainless Steel Disc Padlock is formulated for excellent resistance to acids, alkalis, and oxidation, which matters in facilities where chemical exposure is part of daily operation. Both models are stamped as an integrated lock body and paired with a brass lock cylinder for smooth, low mutual-opening-rate unlocking.

Choosing Between the 201 and 304 Grade

The choice between the two models comes down to what the padlock will be exposed to on site. The 201 Stainless Steel Disc Padlock is the standard pick when the priority is rust resistance and corrosion resistance in a harsh outdoor environment, which covers most coastal, humid, or exposed-weather locations. The 304 Stainless Steel Disc Padlock is the better fit when the padlock will also meet acids, alkalis, or oxidizing conditions, which is common around chemical industrial parks. Zhejiang Rongtao Hardware Products Co., Ltd. keeps both grades on the same 60 to 90 mm size range so a buyer can switch grades for a project without changing the shackle clearance or key system.

• Coastal or high-humidity site: 201 stainless steel body
• Chemical plant or acid/alkali exposure: 304 stainless steel body
• Home, commercial, or general industrial use: either grade, both stamped as an integrated lock body
• Branded bulk order: either grade with laser-marked logo and custom packaging

Disc Padlock Design: Where the Security Comes From

Every Stainless Steel Padlock in this range follows a Discus Padlock body shape, which places the shackle behind the round steel body instead of leaving it exposed above the lock. This hidden shackle design gives the padlock excellent anti-sawing and anti-prying performance, since there is very little shackle surface left for a bolt cutter or pry bar to grip. Zhejiang Rongtao Hardware Products Co., Ltd. pairs this body with a precision lock cylinder, which keeps the unlocking action smooth and reduces the chance of one key opening a lock it was not cut for. The finished padlocks receive a fine surface treatment that holds its gloss over long-term use, so the units still look presentable after months in a warehouse or on a dockside fence.

Specifications at a Glance

Both products in the Stainless Steel Padlock line share the same size run and packaging structure, which simplifies purchasing for distributors who want to stock a full range from a single supplier. Production runs out of the company's site in Shangxi Town, Yiwu City, Zhejiang Province, where Zhejiang Rongtao Hardware Products Co., Ltd. also operates Yiwu Rongtao Renewable Resources Co., Ltd. to keep tighter control over the 201 and 304 stainless steel raw material entering the padlock line.

Where This Padlock Gets Used

The Stainless Steel Padlock series from Zhejiang Rongtao Hardware Products Co., Ltd. is rated for basic anti-theft locking in indoor and sheltered areas, and the company lists specific use cases that reflect real buyer demand rather than generic marketing claims. Both the 201 and 304 models are described as suitable for home, commercial, and industrial applications, which is why the same padlock body shows up across such different job sites.

• Warehouse small doors and shop storage rooms
• Household storage boxes and courtyard fences
• Ordinary toolboxes at construction sites
• Water and electricity meter boxes
• Bicycles and cargo containers
• Ships, docks, outdoor equipment, and chemical industrial parks

OEM/ODM and Custom Stainless Steel Padlock Services

Buyers approaching Zhejiang Rongtao Hardware Products Co., Ltd. as an OEM/ODM Stainless Steel Padlock Factory can request laser marking of a brand logo directly onto the lock body, along with packaging customization to match a private label. Founded in 2021 and built on Yiwu Shengping Lock Factory, which carries nearly 30 years of professional padlock manufacturing experience, the company positions itself as a Custom Stainless Steel Padlock Manufacturer whose customization work sits on top of the standard 60 to 90 mm size range already offered, so a distributor can order branded, EN 12320 certified units without starting from a blank tooling process. Complete specifications are kept on hand to support laser marking requests at production scale, and the resulting orders ship to more than 20 export countries.

Part of a Wider Padlock Range

The Stainless Steel Padlock series sits alongside several other product lines that Zhejiang Rongtao Hardware Products Co., Ltd. manufactures under the same factory structure, which lets buyers combine a stainless steel order with other lock types in one shipment.

• Combination Padlock, including a disc combination version
• Brass Padlock, in heavy duty and thin body styles
• Aluminum Padlock
• Rectangular Padlock
• Iron Padlock
• Key Lock Box

Getting a Quote

Enquiries for the Stainless Steel Padlock series go through the same channel Zhejiang Rongtao Hardware Products Co., Ltd. uses for its other product lines. Buyers can reach the sales contact Tony Xu by email at sales2@chinajiuzhou.com or by WhatsApp at +86-13735613379 to request pricing, laser-marking samples, or a formal quote on either the 201 or 304 stainless steel disc padlock.

Frequently Asked Questions