Product details
Certified with API, ISO, CE, precision cold drawn round tube, tiny tolerance, high straightness for machinery structural parts
Cold drawing forming without high-temperature heating, fine internal structure, stable mechanical performance after processing
Ultra-smooth inner and outer surfaces, no oxide skin, saving polishing cost for finished parts secondary machining
Uniform OD, ID and wall thickness, high concentricity, zero clearance assembly, no secondary turning & polishing
Strictly controlled dimensional tolerance, outer diameter and wall thickness error within standard range, high assembly matching degree
High tensile strength and yield strength, strong compression resistance, ideal for hydraulic cylinder, shaft sleeve manufacturing
Uniform wall thickness all around the tube, no partial thin wall, evenly stressed when bearing load to avoid local damage
Easy cutting, drilling, bending, welding and quenching tempering, high processing yield rate
Support thin wall, thick wall, small diameter and non-standard special-shaped tubes
Multiple surface finishes in stock: bright drawn, pickled, black finish, phosphating anti-rust
Batch inspection on dimension, hardness and mechanical properties before delivery, complete MTR test report provided
Agricultural machinery: tractor PTO shafts, harvester special sleeves, load-bearing parts
Hardware steel structure: precise frames, connecting fittings, small load-bearing supports
Direct cold drawn special tube factory with independent production lines, sufficient stock, stable delivery
Packed with steel strips and waterproof film





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Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
7 days
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Step 3
Packaging and dispatch
Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days
Final packing, freight, and delivery dates are confirmed before dispatch.
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