This premium Scaffolding S Lock Pin is specifically designed to overcome the problems of cross-brace connection jamming, high-altitude locking failure, and pin breaking in the stems of conventional scaffolding frame components. The S Lock Pin has a flip-flop weight ratio that ensures that the scaffolding structure will never come loose. S Lock Pin eliminates the need for the labor-intensive task of hammering when setting up scaffolding. It is ideal for use on high-rise masonry commercial buildings, heavy civil engineering projects, industrial maintenance, severe weather coastal structures, etc. In the trade, it is known as a Candy Cane Lock (RLP103), W-Lock, J-Pin, or Gravity Toggle Lock. This Pin has been designed as a System Component to provide rock-solid Safety Compliance.
Technical Specification Matrix
|
Technical Parameters |
Industrial Enhanced S-Lock (Our Premium Brand) |
Standard Market Generic Lock |
|
Industry Aliases |
S-Lock, W-Lock, Candy Cane Lock (RLP103), J-Pin, Gravity Toggle Pin |
Generic Frame Lock Pin, Speed Lock |
|
Core Material |
High-Strength Q235 Structural Carbon Steel |
Recycled Steel Scrap / Uncertified Low-Carbon Steel |
|
Pin Nominal Diameter |
12.0 mm / 13.0 mm (Strict tolerance control within pm0.1mm |
11.5 mm – 11.8 mm (Loose tolerances leading to structural rattling) |
|
Unit Weight Base |
0.142 lbs (approx. 65g) — optimized for flawless gravity drop |
Under 0.12 lbs (Insufficient weight causes toggle friction stalls) |
|
Surface Finish Options |
Hot-Dip Galvanized (HDG), Electro-Galvanized (Blue-White), or Premium UV-Resistant Powder Coating |
Thin Cold Galvanizing or Low-Grade Industrial Painting |
|
Salt Spray Resistance |
>72 Hours without red rust (HDG variants exceed 200 hours) |
<12 Hours before catastrophic oxidation and seizing |
|
Welding Integration |
100% Automated Robot Fillet Welding (Zero porosity) |
Manual spot welding (Prone to fatigue cracking under impact) |
Engineered Application Scenarios
Our S-Locks are not just spare parts; they are critical safety components field-proven in demanding applications worldwide:
- Scaffolding Rental Fleets: Extremely durable components that can withstand hundreds of scaffolding assemblies and disassemble per year, reducing the replacement costs of yearly consumed parts by 45%.
- High-Rise Masonry & Facade Projects: These shank toggles can withstand heavy wind forces and structural vibration to allow for tight cross-brace locking on high-rise projects.
- Coastal & Infrastructure Sites: Corrosion-resistant to allow work in harsh marine environments and withstand pitting to allow smooth gravity toggling.
FAQ
What is the main difference between 12mm and 13mm pin diameter for frame scaffolding?
- 12mm (0.47") pin is the standard used worldwide for the standard duty of Mason and Walk-Thru frames. 13mm pin is used for specialized heavy-duty shoring systems. We utilize high-precision CNC machining lines to offer full OEM/ODM customization based on your specific drawings or physical samples.
How are bulk orders packaged to prevent transit damage, and what methods prevent ocean freight corrosion?
- Heavy-Duty, 3-Layer Packaging – heavy-duty, moisture-proof woven poly bags within which frames are stacked on heavy steel pallets, and then the entire load is wrapped with heavy-duty, UV-stabilized stretch film to prevent any rust or corrosion from scaffolding frames getting wet during long ocean freight.
Looking to eliminate component failure risks in your scaffolding fleet or upcoming construction project?
Do not let a minor lock pin become the weakest link in your structural safety chain. Contact our B2B engineering application team today to receive direct factory-wholesale pricing, guaranteed lead times, and a complimentary, comprehensive 3D technical drawing scheme tailored to your system requirements.
[ Request a Custom Bulk Quote & Sample Package ]

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