Unbrako 103003 Socket Cap Screw

Unbrako, 103003, Socket Cap Screw, Measurement System: Metric, M3 x 0.5 Thread, 16 mm Overall Length, Alloy Steel, 12.9 Grade, Black Oxide, 2.5 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