Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of black hexagon socket head cap bolt fine thread grade 10.9 in China. Welcome to buy bulk high quality black hexagon socket head cap bolt fine thread grade 10.9 made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Hex socket screw
Strength grade: 10.9 grade high strength -- Tensile strength ≥ 1000 MPa, yield strength ≥ 900 MPa, suitable for high-load and high-stress scenarios
Thread: Fine thread (MF) -- Smaller pitch, stronger self-locking property, higher tensile strength, and better adjustment accuracy
Surface treatment: Black Oxide - Uniform matte black color, anti-glare, suitable for precision instruments and optical equipment
Head: Hex socket cap - The head is low in height, suitable for situations with limited space, and the internal hexagon design ensures efficient transmission of driving torque.
This is the precision model among high-strength fasteners - with a 10.9 grade of strength that meets the demands of high loads, fine-threaded design offers stronger self-locking and higher precision. The blackening treatment prevents glare and is specially designed for scenarios such as precision machinery, molds, hydraulic equipment, and high-end equipment.
Grade 10.9 core advantage
High tensile strength
Capable of withstanding greater tensile loads
01
High yield strength
High elastic limit, prone to avoid plastic deformation
02
High hardness
Excellent wear resistance, and the threads are unlikely to be damaged.
03
Suitable for dynamic loads
Capable of withstanding alternating stresses and impact loads
04
Suitable for high preload
Enables higher clamping force
05
Service Commitment
Standard specifications available in stock
Support non-standard customization (dimensions, lengths, surface treatments)
Samples are free (shipping cost to be paid by the buyer)
Professional pre-sales product selection consultation
Precautions for using fine-threaded screws
When assembling, please be aware of the following:
Fine-threaded screws require higher cleanliness standards. The threaded holes must be thoroughly cleaned.
It is recommended to use threaded locking adhesive or torque control to avoid overloading.
It cannot be used together with coarse-threaded nuts; it must be paired with fine-threaded nuts.
When assembling, it should be done slowly and evenly to avoid incorrect fastening.
Certification qualifications
ISO 9001 Quality Management System
RoHS Environmental Certification
Can provide material inspection report.
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