
Scaffolding Tubes And Boards
Factory-direct category page for scaffold tubes and galvanized boards used in bulk container orders for distributors, contractors, and project procurement teams.

Category page for adjustable base jacks and related support hardware, built for buyers who need engineering-style dimensions, weight, finish, and pack data before inquiry.
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Use this category page to narrow the commercial scope, then move straight into quantity, packing, and destination-market discussion.
Technical definition
An adjustable base jack (also called a screw jack or levelling jack) is a height-adjustable steel support used at the base of scaffold standards to compensate for uneven ground. It consists of a threaded stem (commonly 34 mm or 38 mm diameter, 600–760 mm in length) welded to a flat base plate (typically 150 mm × 150 mm). Base jacks are rated for vertical loads of 50–70 kN depending on stem extension. A U-head jack is a variant with a U-shaped fork top used to support horizontal bearers or formwork beams instead of vertical standards. Both types are commonly electro-galvanized or hot-dip galvanized for corrosion protection.
Engineering-style data sheet
| Item Code | Size (mm) | Weight (kg) | Surface Finish | Standard | Qty / Pack |
|---|---|---|---|---|---|
| BJ-34-600 | 34 x 600 mm stem | 3.6 kg | Electro galvanized | Factory test available | 50 pcs / pallet |
| BJ-38-760 | 38 x 760 mm stem | 4.8 kg | Electro galvanized | Factory test available | 40 pcs / pallet |
| UH-38-760 | 38 x 760 mm U-head jack | 5.2 kg | Electro galvanized | Factory test available | 40 pcs / pallet |
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Related categories

Factory-direct category page for scaffold tubes and galvanized boards used in bulk container orders for distributors, contractors, and project procurement teams.

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If the requirement crosses multiple categories, upload the material list on the BOM page or send one consolidated inquiry to [email protected]. That is usually faster than splitting a complex RFQ too early.