With 24 degree cone, this kind of metric female is 20411, 20441, 2049, and 20511 20541 20591, they represent light series and heavy serious respectively. The regular size is from 1/4" to 2", please check below detailed thread sizes for your reference. The material of our hydraulic DKOL fittings is carbon steel Q235 or C45, the surface treatment will be high quality of Zinc plating, which can meet at least 48 hours sault spaying test, if you want higher galvanization, please contact our sales team for more information.

Our regular packaging of hydraulic DKOL fittings is mass packaging, we will assemble necessary o-rings and washers for 24 degree cone DKOL fittings, we will also supply thread cap to protect our threads, then we will put the fittings into plastic bag, and put plastic bag into carton boxes, the last we will put all boxes into 6 side plywood cases, which is our standard export packaging, and can stand for long time sea delivery way, if you have other packaging requirements, please feel free to contact our sales team for further discussion.

Followed strictly BS, EN, ASME, ANSI, AS, SAE standards, SST machinery provide a full range of hydraulic metal fittings, which includes hydraulic DKOL fittings, high pressure ferrules, female hose fittings, male hose fittings, hydraulic adapters, quick couplings, as well as various kinds of hydraulic connectors and components. with over 10 years of experience in transmission design and manufacturing, SST machinery enjoys a good reputation among its customers and exported its goods to EU, USA, south American, ASIA etc.

S.A.E. 45o





Depends on tubing used. Will stand burst pressure of standard tube – up to 5,000 P.S.I. with bundyweld (double flared) and 3,500 P.S.I. with copper tube depending on size.


-65o TO +250o





Approved by Underwriters' Laboratories No. AU-1344 for hazardous liquid, fuel equipment.
Meets specifications of the Society of Automotive Engineers (S.A.E.) Tube Fittings Standards. 1/8" thru 5/8".













Depends on tubing used. Will stand burst pressure of standard tube – up to 5,000 P.S.I. with bundyweld (double flared) and 3,500 P.S.I. with copper tube depending on size.


-65o TO +250o
Has been used at 400oF at pressure under 1,000 P.S.I.





Approved by Underwriters' Laboratories No. AU-1344 for hazardous liquid, fuel equipment.
Meets specifications of the Society of Automotive Engineers (S.A.E.) Tube Fittings Standards 1/8" thru 5/8".













1,200 P.S.I. operating. Bursting pressure to 15,000 P.S.I. on 1/8" and ¼" pipe, 5,000 P.S.I. on larger sizes.


-65o TO +250oF

















Copper, brass, aluminum, and plastic tubing. Not recommended for steel tubing. Soft plastic stubbing requires tube support inside and in-line sleeve.


Burst pressure up to 2,000 P.S.I. on 1/8" to ¼" tubing, 1,000 P.S.I. on 5/16" to ½" tubing, and 750 P.S.I. on ¾" to 1" size.


-65o TO +250oF





Meets specifications of the Society of Automotive Engineers (S.A.E.) Tube Fittings Standards. 1/8" thru 5/8".
















-65o TO +250oF

















Copper, brass, aluminum and plastic tubing.  Not recommended for steel tubing. Soft plastic stubbing requires tube support inside and in-line sleeve.


500 P.S.I. maximum for 1/8" to ¼" sizes, 250 P.S.I. on 5/16" to 3/8" sizes.


-65o TO +250oF

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