Product details
High-Quality Steel: Premium carbon & alloy steel ensures durability and strength.
Customizable Dimensions: Tailored to fit various agricultural machinery needs.
Fast Shipping: Delivered within 7-15 days for timely project completion.
Diverse Applications: Ideal for construction building material and farm tractors.
Worldwide Compatibility: Designed to meet
Premium carbon & alloy steel billets, grades 20#,45#,Q355,16Mn optional, pure steel without slag inclusion
Stable chemical composition, consistent mechanical property, uniform strength in whole batch
Integral cold drawn hexagonal shape, seamless structure, higher tensile & torsion strength than welded profiles
Symmetrical six sides with precise tolerance across flats & corners, tight fitting for assembly
Dense tube wall with fine grain structure, anti-fatigue & vibration resistant, crack-free for long service
Smooth inner & outer surface, burr & pit free, no secondary polishing required for direct assembly
Balanced force bearing structure, excellent torsion & bending resistance, anti-slip for transmission parts
High torque bearing capacity, better transmission efficiency than round tubes with same outer size
Prevent slipping during rotation, ideal substitute for spline shafts, stable transmission without shaking
Good machinability, support cutting, drilling, turning, welding & quenching tempering heat treatment
Custom surface finishes: hot rolled black, pickled, bright drawn, galvanized, black oxide anti-rust treatment
Standard 6m fixed length, custom cut short lengths to reduce processing waste
Material test report & mechanical inspection certificate supplied per batch
Agricultural machinery transmission: tractor PTO shaft, harvester drive sleeve
Construction machinery: reducer drive shaft, hydraulic main shaft, heavy equipment transmission parts
Auto spare parts: EV transmission shaft, chassis drive sleeve, custom hexagonal shaft sleeves





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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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