UNF (Unified Fine) hex head steel bolt in property class 8.8 with an electro-galvanised (FZB) finish. Supplied in bolts and set screws in imperial measure (Fortification / Bolts and Set Screws / Steel bolts and set screws). Principal data: 1/4" thread with 28 threads per inch, length 32 mm, nominal thread length 19 mm, wrench width 7/16", conforms to ANSI B18.2, indicative package size 100 pcs. Supplied under manufacturer part number 931UNF0140322, EAN 5711160208315, HS code 7318.15, country of origin Germany.