
Mason Frame/Step Frame is the most common type of scaffold used by contractors of all types.
It is manufactured with high-strength steel tubingIt's easy to set up and dismantle and allows you to get to the height you need fairly quickly.
Material | Q235,Q355 |
Variety | Walk through type & Mason type |
Type | H frame scaffolding system & A frame scaffolding |
Tube Thickness | 1.8mm, 2.0mm, 2.5mm, 3mm 3.2mm 3.25mm, 3.5mm, 4mm or customize |
Surface treatment | Hot Dip Galvanized/Powder Coated |
Color | Silver, red, blue, yellow, green or customize |
Certificate | ISO9001:2000 |
Standard | EN74, BS1139, AS1576 |
Advantage | Easy erection, strong loading capacity, safety and stability |
Main components | Frame, catwalk, joint pin, cross brace, base jack, u-head jack and caster |
Application scenario | bridge, tunnel, petrifaction, shipbuilding, railway, airport, dock industry, civil building, etc. |

Code | Name | Width | Height | Surface Treatment | Band |
UTM-MS-2.1 | Mason Frame | 1524mm | 635mm | galvanized/Powder Coated | UTM |
UTM-MS-3.1 | 939.8mm | ||||
UTM-MS-4.1 | 1244.6mm | ||||
UTM-MS-5.1 | 1549mm | ||||
UTM-MS-6.7 | 2006.6mm |
Frame scaffolding, also known as tubular steel frame scaffolding, is a well-established modular system used for construction and decoration purposes. It provides a stable working platform and is made up of various components such as main frames, catwalks or walk boards, braces, brackets, coupling pins, guardrails, and sometimes casters.
- 1)Easy to install and disassemble.
- 2)High carrying capacity.
- 3)High construction efficiency, labor and time saving.



Walk Through Frame Scaffolding
Code | Name | Width | Height | Surface Treatment | Band |
UTM-WTF-3*4 | Walk Through Frame | 914.4mm | 1219.2mm | galvanized/Powder Coated | UTM |
UTM-WTF-3*5 | 914.4mm | 1524mm | |||
UTM-WTF-3*6.8 | 914.4mm | 2032mm | |||
UTM-WTF-5*6.8 | 1524mm | 2032mm |

Code | Name | A | B | C | Surface Treatment | Band |
UTM-LF-1 | Frame Brace | 1524mm | 1219mm | 1951mm | galvanized | UTM |
UTM-LF-2 | 3048mm | 81208mm | 2283.2mm | |||
UTM-LF-3 | 2133.6mm | 812.8mm | 3154.43mm | |||
UTM-LF-4 | 3048mm | 1219mm | 3284.7mm |



Coupling pins are used to connect scaffolding frames together vertically. The pins fit on the inside of the frame and are used in conjunction with span pins, toggle pins, and clips to hold them in place.
Caster wheel that fits into the bottom of scaffolding frame legs. The wheel has a hole in the stem for a pin to lock it to the frame. When the lock is engaged, it keeps the wheel from rolling and also from swiveling. Fit's all major scaffolding frame styles.


Frame Scaffolding find widespread use in buildings, halls, bridges, as well as in the interior and exterior control grids of tall structures.

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Our Scaffolding Products


Company Profile
Nanjing Uni-Tech Metal Work Co., Ltd. (U T M) is a scaffolding production and sales enterprise. We have 16 years of industry experience. Our products have EN BS and AS certificate qualifications and are exported to the United States, the United Kingdom, Australia, the United Arab Emirates, and Saudi Arabia. Singapore and other countries.
Our main products are ringlock and aluminium scaffold systems and their accessories. We have extensive experience in seating system and edge protection, we provide design solutions and suggestions.We also make scaffold couplers, cuplock scaffolding, kwikstage scaffolding ,frames,, props, screw jacks and other relative products.
We always pay attention to the needs of our customers, treat every order with a strict attitude, and control the entire process from raw material supply to cutting, stamping, welding, surface treatment, packaging, and packing to ensure quality and complete each order on schedule.





One-Stop Service
The company provides one-to-one service to customers, receives customers smoothly 24 hours a day, gives answers and makes records when receiving customers' demands, regularly revisits customers' product problems, and guides product installation online in the later stage.



What about after service ?
Our all prducts are fully tested before despatch, and we have traceability system. Please contact our after-service team once you have any product problem with some photos and videos to help us analyze them. We can make new ones to replace or reasonable compensation on both agreement.
What are the payment terms you can accept ?
T/T and L/C, others are negotiable.
What is your MOQ ?
Normally we accept one full container, but for special products we are happy to communicate with customer about order quantity.
Can we customize our company logo or name on products?
Yes, we can make permanent logo or sticker on products as the requirement from the customer.
How fast can you finish the order ?
U T M company always figures out a schedule that meets the customer needs once the order is confirmed. And all production plan will be worked out as schedule.
Are you able to provide engineered drawings if needed ?
Yes, U T M company has professional engineers who are capable of designing the most challenging scaffolding access solutions.