Refractory screws, metric pitch, all threaded -Cylindrical head with hexagon socket -Hexagon head Dimensions for each kind of screw: M6X20, M6X30, M8X20, M8X30, M10X20, M10X30 Please send quotation for AISI 310 (quantity 100 pcs. for each item) and tungsten-lanthanum (10 pcs. for each item) The screws will be used to block a disk sample exposed to the thermal flow of a HVOF torch. See picture in attachment.