8 off – 5/8”UNC x 180mm Long c/w 2 off Hex Nuts & Plain Washers (ASTM A193 B8 / ASTM A194 Gr 8) – Bursting disc bolting 8 off – 5/8”UNC x 85mm Long c/w 2 off Hex Nuts & Plain Washers (ASTM A193 B8 / ASTM A194 Gr 8) – Sight glass bolting 50 off – 1/2”UNC x 70mm Long c/w 2 off Hex Nuts & Plain Washers (ASTM A193 B8 / ASTM A194 Gr 8) – Stilling well bolting