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PLEASE QUOTE BEST PRICE FOR SUPPLY OF HEXAGONAL KELLY AS SPEC BELOW .5.1/4, 40 FULLY HEAT TREATED COMPLETE WITH SHIPPING SCABBOARD , MOLYBENUM STEEL AISI 4145-H, API SPEC.7 BRINNEL HARDNESS 285-340THREADS PARCOLUBRIZED OR EQUIVALENT AXIAL ECCNTRICITY AS PER API SPEC .UPPER UPSET TO BE PROVIDED WITH A RECESSED MILLED FLAT 2.3/8X3/4 FOR MARKING PURPOSES.40 FT OVERALL LENGTH , 37FT WORKING SPACE , 3ID, 7.3/ UPSET WITH 6.5/8 API REGULAR.LEFT HAND BOX UP 6.1/2BOTTOM UPSET WITH NC-50 (4.1/2 IF). RIGT HAND PIN DOWN WITH PRESSED STEEL THREAD PROTECTORS. kelly, hexagonal, treated ENGG/OIL RIG GOODS