Product Information:
4140 HT is a prehard (28/32 HRC) alloy steel is a type of low-alloy steel that contains chromium, molybdenum, and manganese as alloying elements. It is also known as "chrome-moly" steel or simply "chrome-moly." Decarb Free Flats are produced oversize on all dimensions to finish to listed size.
Shipping:
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