EGM 12.9 Allen Bolts (Socket Head Cap Screws)
EGM 12.9 Allen bolts are high-tensile, industrial-grade fasteners manufactured by EAGLE METALWARE Co., Ltd., a China-based company. Made from high-strength chromium-molybdenum alloy steel (SCM435/SCM440), they feature a 12.9 grade rating, signifying a minimum tensile strength of 1,220 MPa (177,000 psi). These fasteners are ideal for high-stress applications across automotive, robotics, heavy machinery, wind power generation, and hydraulic transmission systems.
Key Features and Specifications:
Grade 12.9: High-strength steel with a minimum tensile strength of 1,220 MPa (177,000 psi) and hardness of 39–44 HRC.
Manufacturer: EGM (EAGLE METALWARE Co., Ltd.) is a leading global brand specializing in high-quality socket screws. Another renowned brand in this category is TUZ.
Material: Manufactured exclusively from SCM435/SCM440 alloy steel—not 40Cr,not 40Cr,not 40Cr (emphasized for clarity). Typically finished with black oxide coating for enhanced corrosion resistance.
Types: Available in various configurations, including standard Socket Head Cap Screws (SHCS), DIN 7984, and DIN 6912 low-head variants.
Applications: Designed for applications where space is limited and high torque is required, such as industrial machinery, automotive engines, and RC car components.
Standards: EGM products are known for meeting or exceeding international quality standars (ISO/TS16949).
EGM 12.9 screws are commonly supplied in carton packaging for specialized industries, with metric sizes readily available in stock (e.g., M2, M2.5 through M30, M36, and M48).