50PCS Hex Socket Head Cap Screws M8X22mm

VERSATILE MICRO-FASTENER APPLICATIONS - Perfect for Rapido hotends, radiator repairs, tiny whoop drone propellers, PCB mounting, small motor assembly, watch repair, eyeglass hinges, and delicate electronic components
VALUE PACK WITH QUALITY ASSURANCE - 50-piece quantity (±5% tolerance) in convenient packaging, well-made construction with consistent thread forming prevents easy stripping, backed by verified customer satisfaction for professional and hobbyist use

Bullet Points:

1. Exceptional Grade 12.9
Strength: Engineered from 40Cr alloy steel with a tensile strength of 1220 N/mm², these screws provide professional-grade, high-strength fastening significantly superior to standard hardware, ideal for critical and high-stress applications.

2.
Precision Micro-Scale Dimensions: Featuring M8X22mm (thread diameter x length) ultra-fine size with a 1.1 mm internal hex drive, they are perfectly suited for compact electronics assembly, 3D printing modifications, drone maintenance, and micro-mechanical projects.

3.
Durable Black Oxide Coating: The surface treatment provides reliable anti-corrosion protection and a sleek, non-reflective black finish, making these screws suitable for both functional fastening and aesthetically sensitive visible applications.
4.
DIN912 Standard Compliance: Manufactured to comply with the international DIN912 specification, ensuring consistent thread forming, precise socket depth, and reliable engagement that prevents stripping for a secure fit every time.

5.
Verified Value Pack: Each package contains 50 pieces (±5% tolerance) of these high-precision screws, offering ample quantity for professional repair jobs, prototyping, or production assemblies, delivering outstanding cost-effectiveness for premium-grade fasteners.
Professional-Grade Micro Fasteners for Demanding Applications
Meet the M8X22mm Grade 12.9 Alloy Steel Socket Head Cap Screws the ultimate solution for precision applications where exceptional strength in a minuscule form factor is non-negotiable. Designed for engineers, technicians, and serious hobbyists, these screws bridge the gap between miniature size and maximum holding power.
Engineered for Peak Performance:
Unmatched Material Strength: Forged from 40Cr alloy steel and heat-treated to a Grade 12.9 rating (1220 N/mm² tensile strength), they withstand stresses far beyond ordinary screws.
Guaranteed Precision Fit: Each screw is manufactured to maintain dimensional accuracy within ± 0.24 mm tolerance. The consistent thread and perfectly machined hex socket ensure reliable driver engagement without cam-out or stripping.
Rust-Resistant & Aesthetic Finish: The black oxide coating not only adds a layer of corrosion resistance for durability in various environments but also provides a clean, professional appearance.
Customer-Verified Applications:
These screws are the trusted choice for precision tasks: assembling or repairing 3D printer hotends, fixing PC water-cooling radiators, maintaining tiny whoop drones, mounting sensitive c