EE CODE) CODE : DASH NUMBER DESIGNATES GRIP AND LENGTH SEE NEXT PAGE. "W" AFTER DASH NUMBER DESIGNATES TYPE 1 PLATING. "D" AFTER DASH NUMBER DESIGNATES DRILLED SHANK. IF MORE THAN ONE CODE LETTER IS USED IN ONE PART NUMBER ARRANGE LETTERS ALPHABETICALLY. EXAMPLES : NAS1204-8 .250 DIAM BOLT .500 GRIP.