S-93700A212 M6 x 20 mm 12-Point Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• Superior torque transmission via the external 12-point drive, reducing tool slippage and enabling precise installation.
• High tensile strength of 180,000 psi ensures reliable performance under heavy loads and vibration.
• Integrated flange design distributes clamping force evenly, eliminating the need for separate washers.
• Class 4h thread fit provides consistent, secure fastening with minimal play in metric assemblies.
• Fully threaded M6 coarse pitch allows for rapid installation and strong holding power in various materials.
• Rockwell C38 hardness offers excellent wear resistance, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

Engineered for demanding applications, these M6 12-point flange screws deliver exceptional reliability in automotive, machinery, and structural assemblies. The black-oxide alloy steel construction resists rust and abrasion, crucial for outdoor or high-moisture environments. The external 12-point drive enables high-torque installation with standard tools, reducing assembly time and preventing damage to the fastener head. With a coarse pitch thread and fully threaded design, they provide quick engagement and robust clamping in metals, plastics, and composites, addressing common issues like loosening under dynamic loads. The integrated flange ensures uniform pressure distribution, minimizing surface damage and enhancing joint stability in heavy-duty fastening scenarios.

Specification Summary & Compliance

This screw adheres to metric threading standards with M6 x 1 mm coarse pitch and Class 4h thread fit for precise tolerance. Dimensions include 20 mm length, 8 mm drive size, and 11.6 mm flange diameter. Manufactured from alloy steel with a hardness of Rockwell C38 and tensile strength of 180,000 psi, it complies with industry specifications for metric fasteners. The black-oxide finish meets common environmental and performance requirements, supporting use in regulated sectors without compromising durability.