Metal golf shafts are made of steel.
I assume you are talking about Project X golf shafts. A Project X shaft with a 6.5 flex is the equivilent of a stiff shaft.
Graphite shafts are lighter and more flexible, which can help increase swing speed and distance. Steel shafts are heavier and offer more control and accuracy due to their rigidity. The choice between graphite and steel shafts ultimately comes down to personal preference and playing style.
Steel became popular in the late 1930's as the popularity increased.Hickory is easily broken,hard to master and more expensive then steel thus leading to the popularity of steel
There are two types of golf shaft- Steel and Graphite. Generally steel is used on irons, wedges and putters, whereas graphite is mainly used for drivers and fairway woods. A new type of shaft has recently evolved it is the bi-matrix shaft which is steel and graphite.
One could get a Golf for Dummies book or visit online information pages to learn how golf club shafts work. About has an article that talks specifically about the flex of shafts and its role in golf.
Fujikura premium golf shafts are available at several online retailers including the Fujikura Golf store, Golfsmith, and Discount Golf World. Resellers, such as ebay, frequently have Fujikura shafts available also.
Adams has several companies that make shafts for them.
True Temper sells a uniflex steel shaft. This flex is soft, like a regular shaft but is supposed to be as stable as a stiff shaft and helps to increase the trajectory of the ball. Callaway and Nike have options for purchasing clubs with True Temper Uniflex Shafts.
True Temper makes their steel shafts now, called Uniflex. Previously they were made by Royal Precision and were called Constant Weight Series. One shaft is stepped and the other stepless.
Golf Cart Input Shafts are like parts of the golf cart that's need to be overhauled.
Boron fibers can be used to make extremely strong golf club shafts