HEX HEAD SCREW FULL THREAD WITH SINGLE COIL RECTANGULAR SPRING STEEL WASHER AND FLAT WASHER FOR COMPRESSOR BED AS PER THE FOLLOWING DETAILS GIVEN BELOW. ( 1 ) HEXAGONAL HEAD SCREW SIZE: M 14 X 2MM 60 DEGREE METRIC PITCH X 60 MM LONG AS PER IS: 1367 & 1364. PROPERTY CLASS 10. 9. QTY/ SET 1 NO. ( 2 ) SPRING WASHER, SIZE: M 14 B AS PER IS: 3063/ 1972. QTY/ SET 1 NO. ( 3 ) FLAT WASHER SIZE ID 15 MM, OD 29 MM. THICKNESS 3 MM AS PER IS: 2016/ 67. QTY/ SET 2 NOS. HEX SCREW AND FLAT WASHER ARE TO BE ZINC PLATED AS PER IS: 1573/ 1986 AND SPRING WASHER IS TO BE PHOSPHATED AS PER IS: 3618/ 86.