Aluminum hardline is great since the material has less impurities than copper and will give you more consistent bends than copper hardline. Tubing to an fittings with ease.

An6 Female X 3 8 Hardline Tube Adapter
3 8 hard line. That number stands for the number of 116 of an inch of the od. Hard tube an adapters connect 38 in. Copper nickel hard line is wonderful material to work with. I used the 38 for extended trans cooler lines and 316 for brake lines. For instance a 6 an line is 616 or 38. Amazons choice recommends highly rated and well priced products.
An thread specification was derived from the us military as a standard agreed upon by the army and navy an. Thinking about doing a fancy management setup. Stainless steel tubing can be painted powder coated brushed or polished and will not corrode. Hardlines are the key to success. Pair a couple 3ft segments of this hardline with a ridgid 400 series hardline bender as well as. Of a hard line.
Sold by the foot. 38 stainless steel tubing. 38 stainless steel hard line. Black aluminum fuel hardline fitting for 38 38 inch 95mm outer diameter alloy tube to an6 female swivel hardline tube adaptor. These are straight tubes not the cheap coiled stuff. An sizing is designated by a dash followed by a number.
Tube to 6 an male or female end and 12 in. 58 heliax hard line cable. Plenum low loss rg 8 cable. Simply slide tubing into tube nut install ferrule attach tube end. Worry no longer about flaring and splitting aluminum tubing to make connections. Fuel line adapters feature a unique crimp design which eliminates tube flaring.
An fittings are commonly used to connect flexible hoses. Looking to hard line your air system. 38 heliax hard line cable. Connects 38 or 12 aluminum tube to 6 an or 8 an adapters. 14 heliax hard line cable. 78 heliax hard line.
Tube to 8 an male or female end. Then you are going to need 4 things. Forms flares so much better than stainless looks better and much easier to work with. Aluminum hardline is still soft enough to get creative without too much effort. They are available in male or female ends for 38 or 12 tubing.