BOLTS HEX HEAD BOLTS , HEXAGON HEAD SCREW , MUSHROOM HEAD SQURE NECK BOLTS , T- HEAD BOLTS , WING SCREW , EYE BOLT , LIFTING EYE BOLT SCREW : PAN HEAD SLOTTED SCREWS , CHEESE HEAD SLOTTED SCREWS , COUNTERSUNK HEAD SLOTTED SCREWS , COUNTERSUNK RAISED HEAD SLOTTED SCREWS , PAN PHILLIPSE HEAD SCREW , COUNTERSUNK PHILLIPSE RAISED HEAD SCREWS , SLOTTED CHEESE TRIM HEAD MACHINE SCREWS , SOCKET HEAD ALLEN CAP SCREWS , ALLEN COUNTERSUNK SOCKET HEAD CAP SCREWS , SOCKET HEAD SHOULDER SCREWS , SOCKET HEAD CAP SCREW LOW HEAD , HEXAGON SOCKET SET SCREW WITH FLAT POINT , HEXAGON SOCKET SET SCEWS WITH CONE POINT , HEXAGON SOCKET SET SCREW WITH DOG POINT , HEXAGON SOCKET SET SCREWS WITH DOG POINT , HEXAGON SOCKET SET SCREWS WITH CUP POINT , IMPERIAL SOCKET CAP SCREWS . NUTS HEXAGON NUTS , HEXAGON COUPLING NUTS , HEXAGON THIN NUT , SQUARE NUT , HEXAGON CASTLE NUTS , SELF LOCKING NUT , HEXAGON DOMED CAP NUTS. WASHER PLAIN WASHER , PLAIN BIG OD WASHER , PLAIN SMALL OD WASHER , SPRING LOCK WASHER , SPRING WASHER HEAVY DUTY , TOOTH WASHER , SERRATED STAR WASHER , TAB WASHER WITH ONE TAB . , TAB WASHER WITH TWO TAB. Alloy Steel ASTM / ASME A 193 B 6 , B 7/ B 7M , B 16// ASTM / ASME A 194 GR. 2 , 2 HM , 2H , GR 6 , B 7 , B 7M.