Unbrako 111320 1960 Socket Cap Screw

Unbrako, 111320, Socket Cap Screw, Series: 1960, Measurement System: Imperial, 5/8-11 Thread, 6-1/2 in Overall Length, Alloy Steel, Black Oxide, 1/2 in 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