Phil Flat Countersunk Head

Phil Flat Countersunk Head Features:

(1)Standards: ANSI /ASME,GB,ISO,DIN Bolt/Screw and non-standard products
(2) Thread: UNC,UNF,UN
(3) Grade: SAE: GR.2, GR.5, GR.8 ;ASTM:A307; DIN:GR4.8,8.8,10.9,12.9;
(4) Finish: natural color, zinc, chrome, hot dip galvanized, dacromet
(5) Material: carbon steel, alloy steel, stainless steel, non-ferrous materials,.
(6) Used in bridges, buildings, machinery, auto, railway ,petrol and other industries