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Contact SupplierWe are offering threadolet. Size 18"-4"
type screw thread
thickness 3000lbs, 6000lbs,9000lbs( sch80, sch160, xxs)
standard mss-sp-97
material carbon steel(astm a105, q235,a350lf2,a350lf3,etc)
 stainless steel(astm a182 f304, f304l,f316,f316l,etc)
 alloy steel(astm a694 f42,f46,f52,f56,f60,f65,f70, a182 f12,f11,f22,f5,f9,f91,etc)
qualification iso9001:2008 ,iso 14001 ohsas18001 , api,etc
packing in wooded cases or pallets,or as for clients' requirements
application petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etc
special design available as the requirement of customer