Unbrako 103038 Socket Cap Screw

Unbrako, 103038, Socket Cap Screw, Measurement System: Metric, M5 x 0.8 Thread, 55 mm Overall Length, Alloy Steel, 12.9 Grade, Black Oxide, 4 mm Drive, Hex Drive

• Total Traceability: Patented E-CODE head marking system allows tracing of test records for each production lot
• Specially designed elliptical fillet doubles the fatigue life at critical head-shank juncture
• Increased bearing area of head for greater load carrying capability and precision forged for symmetrical grain flow providing greater strength