METRIC DIN 934 ISO 4032 BS 3692
GRADE 8 STEEL ZINC PLATED.
GRADE 10 STEEL ZINC PLATED.
GRADE A2 = 304 STAINLESS STEEL.
GRADE A4 = 316 STAINLESS STEEL.
AVAILABLE IN - SELF COLOUR, BRASS, NYLON, GALVANIZED.
UNC SELF COLOUR, ZINC PLATED, STAINLESS STEEL.
UNF SELF COLOUR, ZINC PLATED, STAINLESS STEEL.
BSF NON-PERFERRED CHECK AVAILABILITY.
WHITWORTH NON-PERFERRED CHECK AVAILABILITY.
METRIC FINE NON-PERFERRED CHECK AVAILABILITY.