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Black hex socket cap screws arranged on a white background.
Four black hex socket head bolts arranged on a white surface.
Black hex socket head bolts arranged on a dark background.
Black hex socket head bolts with threaded shafts crossed over each other.
Black hex socket cap screws arranged in descending length on a white background.
Black hex socket head bolts in varying lengths, arranged side by side on a white background.
Black hex socket cap screws arranged on a white background.
Black hex socket cap screws arranged on a white background.
Four black hex socket head bolts arranged on a white surface.
Black hex socket head bolts arranged on a dark background.
Black hex socket head bolts with threaded shafts crossed over each other.
Black hex socket cap screws arranged in descending length on a white background.
Black hex socket head bolts in varying lengths, arranged side by side on a white background.
High Tensile Black Allen Bolt 10.9/12.9 Grade Hex Socket Head Cap Screw for Machinery
MOQ:
100
Shipping:
Sea freight, Air freight
Quantity(pieces):
500
Specification:
Cap Head Bolts, 8 mm, M6Cap Head Bolts, 8 mm, M6Cap Head Bolts, 8 mm, M8Cap Head Bolts, 8 mm, M8Cap Head Bolts, 8 mm, M10Cap Head Bolts, 8 mm, M10Cap Head Bolts, 8 mm, M12Cap Head Bolts, 8 mm, M12Cap Head Bolts, 8 mm, M16Cap Head Bolts, 8 mm, M16Cap Head Bolts, 8 mm, M20Cap Head Bolts, 8 mm, M20Cap Head Bolts, 8 mm, M24Cap Head Bolts, 8 mm, M24Cap Head Bolts, 12 mm, M6Cap Head Bolts, 12 mm, M6Cap Head Bolts, 12 mm, M8Cap Head Bolts, 12 mm, M8Cap Head Bolts, 12 mm, M10Cap Head Bolts, 12 mm, M10Cap Head Bolts, 12 mm, M12Cap Head Bolts, 12 mm, M12Cap Head Bolts, 12 mm, M16Cap Head Bolts, 12 mm, M16Cap Head Bolts, 12 mm, M20Cap Head Bolts, 12 mm, M20Cap Head Bolts, 12 mm, M24Cap Head Bolts, 12 mm, M24Cap Head Bolts, 16mm, M6Cap Head Bolts, 16mm, M6Cap Head Bolts, 16mm, M8Cap Head Bolts, 16mm, M8Cap Head Bolts, 16mm, M10Cap Head Bolts, 16mm, M10Cap Head Bolts, 16mm, M12Cap Head Bolts, 16mm, M12Cap Head Bolts, 16mm, M16Cap Head Bolts, 16mm, M16Cap Head Bolts, 16mm, M20Cap Head Bolts, 16mm, M20Cap Head Bolts, 16mm, M24Cap Head Bolts, 16mm, M24Cap Head Bolts, 20mm, M6Cap Head Bolts, 20mm, M6Cap Head Bolts, 20mm, M8Cap Head Bolts, 20mm, M8Cap Head Bolts, 20mm, M10Cap Head Bolts, 20mm, M10Cap Head Bolts, 20mm, M12Cap Head Bolts, 20mm, M12Cap Head Bolts, 20mm, M16Cap Head Bolts, 20mm, M16Cap Head Bolts, 20mm, M20Cap Head Bolts, 20mm, M20Cap Head Bolts, 20mm, M24Cap Head Bolts, 20mm, M24Cap Head Bolts, 30 mm, M6Cap Head Bolts, 30 mm, M6Cap Head Bolts, 30 mm, M8Cap Head Bolts, 30 mm, M8Cap Head Bolts, 30 mm, M10Cap Head Bolts, 30 mm, M10Cap Head Bolts, 30 mm, M12Cap Head Bolts, 30 mm, M12Cap Head Bolts, 30 mm, M16Cap Head Bolts, 30 mm, M16Cap Head Bolts, 30 mm, M20Cap Head Bolts, 30 mm, M20Cap Head Bolts, 30 mm, M24Cap Head Bolts, 30 mm, M24Cap Head Bolts, 35 mm, M6Cap Head Bolts, 35 mm, M6Cap Head Bolts, 35 mm, M8Cap Head Bolts, 35 mm, M8Cap Head Bolts, 35 mm, M10Cap Head Bolts, 35 mm, M10Cap Head Bolts, 35 mm, M12Cap Head Bolts, 35 mm, M12Cap Head Bolts, 35 mm, M16Cap Head Bolts, 35 mm, M16Cap Head Bolts, 35 mm, M20Cap Head Bolts, 35 mm, M20Cap Head Bolts, 35 mm, M24Cap Head Bolts, 35 mm, M24Cap Head Bolts, 40 mm, M6Cap Head Bolts, 40 mm, M6Cap Head Bolts, 40 mm, M8Cap Head Bolts, 40 mm, M8Cap Head Bolts, 40 mm, M10Cap Head Bolts, 40 mm, M10Cap Head Bolts, 40 mm, M12Cap Head Bolts, 40 mm, M12Cap Head Bolts, 40 mm, M16Cap Head Bolts, 40 mm, M16Cap Head Bolts, 40 mm, M20Cap Head Bolts, 40 mm, M20Cap Head Bolts, 40 mm, M24Cap Head Bolts, 40 mm, M24Cap Head Bolts, 45 mm, M6Cap Head Bolts, 45 mm, M6Cap Head Bolts, 45 mm, M8Cap Head Bolts, 45 mm, M8Cap Head Bolts, 45 mm, M10Cap Head Bolts, 45 mm, M10Cap Head Bolts, 45 mm, M12Cap Head Bolts, 45 mm, M12Cap Head Bolts, 45 mm, M16Cap Head Bolts, 45 mm, M16Cap Head Bolts, 45 mm, M20Cap Head Bolts, 45 mm, M20Cap Head Bolts, 45 mm, M24Cap Head Bolts, 45 mm, M24Cap Head Bolts, 25mm, M6Cap Head Bolts, 25mm, M6Cap Head Bolts, 25mm, M8Cap Head Bolts, 25mm, M8Cap Head Bolts, 25mm, M10Cap Head Bolts, 25mm, M10Cap Head Bolts, 25mm, M12Cap Head Bolts, 25mm, M12Cap Head Bolts, 25mm, M16Cap Head Bolts, 25mm, M16Cap Head Bolts, 25mm, M20Cap Head Bolts, 25mm, M20Cap Head Bolts, 25mm, M24Cap Head Bolts, 25mm, M24
Product details
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FAQ
Essential details
Quantity(pieces):500
MOQ:100
Shipping:Sea freight, Air freight
Specification Number:M6-M24
Product Introduction
Our high tensile socket head cap screws are available in 10.9 grade and 12.9 grade, finished with black oxidation.
  • 10.9 Grade: Raw material 40Cr, ideal for general mechanical assembly, equipment frames and conventional fastening.
  • 12.9 Grade: Raw material 35CrMo (SCM435), higher tensile & yield strength, designed for molds, heavy-duty fixtures, high-vibration and critical load-bearing joints.
Black oxide surface treatment provides a stable friction coefficient without changing dimensional tolerance. Please note this finish only offers limited rust resistance, recommended for dry indoor working conditions.
Specification & Standard
Standard: DIN912 / GB/T 70.1
Available sizes: M3, M4, M5, M6, M8, M10, M12, M16, M20
Custom lengths are acceptable for bulk orders.
Installation Tips
Match with qualified grade nuts:
10.9 screws ≥ Grade 8 nuts
12.9 screws ≥ Grade 10 nuts
Reference tightening torque is available. Reduce torque by 20% if lubricant is applied to avoid screw fracture.
Not recommended for repeated use on key stressed connections.
Application Scenarios
Mechanical equipment, injection molds, automation machinery, tooling fixtures, hydraulic equipment, engineering machinery and metal structural assembly.
Service
Material Test Certificate (MTC) can be provided upon request. Support bulk wholesale and customized requirements.

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