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(SCREW MACHINE STOCK) ASTM A108 - UNS G12130, G12150
Color Marking


1215 are resulphurized and rephosphorized free machining steels, commonly referred to as Screw Stock. They are improved free-cutting steels that have replaced the Bessemer B-1113 grade. They are especially suited for automatic screw machine operations where the major requirement is exceptional free-cutting quality with a good finish.

Stock Lengths 11' to 12'
Unit of Measure

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Item #

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

1/8 N/A .0531 lb N/A .6381 lb
3/16 N/A .1196 lb N/A 1.436 lb
1/4 N/A .2127 lb N/A 2.552 lb
5/16 N/A .3323 lb N/A 3.988 lb
3/8 N/A .4786 lb N/A 5.743 lb
7/16 N/A .6514 lb N/A 7.817 lb
1/2 N/A .8508 lb N/A 10.21 lb
9/16 N/A 1.077 lb N/A 12.92 lb
5/8 N/A 1.329 lb N/A 15.95 lb
11/16 N/A 1.609 lb N/A 19.30 lb
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