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Tower Crane mast bolt
Tower Crane mast bolt
Tower Crane mast bolt
Tower Crane mast bolt
Tower Crane mast bolt


Condition: New

Applicable Industries: Construction works 

Painting: Polyurethane

Certification: CE ISO

Material: Q345B

Packing: Nude

Warranty: more than 1 years

Weight: 2KG


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Raw material control:
1.The steel material selected 100 % comes from our natlonal large-scale steel corporations .
2.The materials that steel,welding material etc are all examed by chemical detection ,
3.Strictly conforms to drawing requirements,
4,Every  pins ,axles,sleeves etc are strictly obey quenching and tempering procedures .
5,Every parts of our products strictly conforms to the procedure requirements
6, perform the requirements of the ISO9001 Quality System and national standard strictly.

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  The mast bolt is all processed by the overrall 

  sand blasting process. The surface is smoother and 

  more beautiful. It is treated with anti-corrosion blasting.

  It uses the highest quality paint in the tower crane industry,

  with strong adhesion and longer durability.

                               More Secure

                          All chord connections are all gas-shielded and 

                          welded. All the products are tested by weld

                           inspection, x-ray and UT ultrasonic inspection.

                           It is more secure.




             Professional Service

SYM has more than 20 years tower crane experience.

SYM will supply you best professional advice. 24 hours

customer service give you quickly feedback.