Red Aluminium Lockout Padlock with Steel Shackle
BD-A21D
38mm aluminium lockout padlock with hardened steel shackle, anodized body, UV resistant, corrosion resistant, key retaining, auto locking, laser engraving and OEM logo available.
- Manufactured from precision-machined aluminium alloy with anodized surface treatment for superior corrosion resistance, durability and long service life.
- The corrosion-resistant steel shackle provides excellent mechanical strength while maintaining lightweight construction suitable for industrial environments.
- The spring-loaded shackle automatically pops open when unlocked and automatically locks when closed, improving efficiency during lockout procedures.
- The key cannot be removed unless the padlock is securely locked, preventing accidental loss and ensuring compliance with lockout safety procedures.
- Designed for indoor and outdoor industrial environments with excellent resistance against UV exposure, moisture and chemicals.
- Both sides and the front of the lock body can be laser engraved with company names, employee IDs, serial numbers or asset identification for permanent traceability.
- Steel-stamped logos and OEM branding services are available to meet distributor and industrial customer requirements.
- Available in red, yellow, blue, green, orange, black and other colors for easy employee or department identification.
Product Appearance

Core parameters:
- Product Name: 38mm Aluminium Lockout Padlock
- Body Material:Anodized Aluminium Alloy
- Shackle Material:Hardened Steel
- Shackle Height:Steel lock beam, inner height 38mm / diameter Φ6.2mm
- Surface Finish:IAnodized
- Color:Red, gold, blue, green, black, silver, orange, purple
- Locking Type:Automatic Locking
- Key System:Key Different / Key Alike / Master Key
- UV Resistance:Yes
- Corrosion Resistance:Yes
- Logo:Steel Stamp / Laser Logo
- Engraving:Laser Engraving Available
- OEM: Accepted
FAQs
1What is this aluminium lockout padlock used for?
The 38mm aluminium lockout padlock is designed for Lockout Tagout (LOTO) procedures to isolate hazardous energy sources during equipment maintenance and servicing. It is widely used in electrical, manufacturing, chemical, oil & gas, mining and industrial facilities to help prevent accidental equipment startup and improve workplace safety.
2What materials are used in the padlock?
The lock body is precision-machined from high-quality aluminium alloy with an anodized finish, providing excellent corrosion resistance and lightweight performance. The shackle is made of hardened steel for enhanced strength, wear resistance and long-term durability in industrial environments.
3Does the padlock support custom branding or identification?
Yes. We offer OEM and ODM customization services, including steel-stamped logos, laser-engraved company names, serial numbers, employee IDs, barcodes and other permanent identification marks. Custom colors and packaging are also available upon request.
4What key systems are available?
Our aluminium lockout padlocks can be supplied with multiple key management options, including Keyed Different (KD), Keyed Alike (KA), Master Key (MK) and Grand Master Key (GMK), allowing customers to choose the most suitable security solution for their lockout program.
5What safety features does this lockout padlock provide?
This padlock features an automatic locking mechanism and a key-retaining function. The shackle automatically locks when closed, and the key cannot be removed unless the padlock is securely locked, helping ensure compliance with standard Lockout Tagout safety procedure
6Is the padlock suitable for outdoor or harsh environments?
Yes. The anodized aluminium body offers excellent resistance to corrosion, moisture and UV exposure, while the steel shackle is treated to resist rust. This makes the padlock suitable for both indoor and outdoor industrial applications.




