Product Description Our Torx socket cylindrical head screws are engineered from high-tensile alloy steel and optimized for mission-critical joints. The thread end is pre-coated with Precote 85 (P85) type chemical adhesive, which triggers a powerful bonding r...
The TORX cylindrical-head P85 anti-loosening screw adds a pre-applied Precote 85 (P85) type chemical locking adhesive to the TORX cylindrical-head design; once installed, the adhesive layer cross-links chemically to form a strong lock. It combines the high torque transfer of the TORX drive with the reliability of chemical locking — suited to points in precision equipment that are rarely disassembled and require a long-term stable connection.
| Material | High-strength alloy steel |
| Surface treatment | Black oxide / zinc plating (optional) |
| Standard | Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; Mechanical properties GB/T 3098.1 (ISO 898-1); Drive ISO 10664; Precote 85 (P85) type chemical pre-applied locking adhesive |
| Application | Long-term stable anti-loosening fastening for precision equipment |
| Head type | Cylindrical socket cap head |
| Drive | Torx (hexalobular) socket |
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