UNC PLOW BOLT UNF SQUARE STEPPED TRACK NUT CBPG9PC CNTG8SF - Plain - Plain - HEC - HEC - Grade 9 - Grade 8 UNC PLOW BOLT UNF HEX RND FACE TRACK NUT CBPG8PC CNTG8EF - Plain - Plain - HEC - HEC - Grade 8 - Grade 8 UNC HEX PLOW NUT METRIC CAP SCREW SOCKET CNPG8PC SHSOZCM - Plain - Zinc Plated - HEC - DIN 912 - Grade 8 - Class 12.9 METRIC FINE DOME HEX TRACK BOLT METRIC LOW HEAD SOCKET CBTG9DFM SLSOPCM - Plain - Plain - HEC - DIN 7984 - Grade 9 - Alloy Steel UNF DOME HEX TRACK BOLT METRIC COUNTERSUNK SOCKET CBTG9DF SCSOZCM - Plain - Zinc Plated - HEC - DIN 7991 - Grade 9 - Class 12.9* UNF & METRIC FINE HEX TRACK BOLT METRIC BUTTON HEAD SOCKET CBTG9HF SBSOZCM - Plain - Zinc Plated - HEC - ISO 7380 - Grade 9 - Class 12.9* METRIC FINE SQUARE COLLAR UNF CAP SCREW SOCKET TRACK NUT SHSOPF CNTG8CFM - Plain - Plain - HEC - ANSI B18.3 - Grade 8 - ASTM A574 UNF & METRIC FINE SQUARE BSW BUTTON HEAD SOCKET ROUND FACE TRACK NUT SBSOPW CNTG8RF - Plain - Plain - HEC - BS 2470 - Grade 8 - Class 12.9* UNF & METRIC FINE UNC KNURL CUP PT SOCKET SQUARE TRACK NUT SSSKP CNTG8QF - Plain - Plain - HEC - ANSI B18.3 - Grade 8 - ASTM F912 *Property Class 12.9. Due to head design, a lower fastener strength may be exhibited. 175