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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 10' to 12'
Unit of Measure

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Item #

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

1/8 N/A .0461 lb N/A .5526 lb
5/32 N/A .0720 lb N/A .8635 lb
3/16 N/A .1036 lb N/A 1.243 lb
7/32 N/A .1410 lb N/A 1.692 lb
1/4 N/A .1842 lb N/A 2.210 lb
5/16 N/A .2878 lb N/A 3.454 lb
11/32 N/A .3483 lb N/A 4.179 lb
3/8 N/A .4145 lb N/A 4.973 lb
7/16 N/A .5641 lb N/A 6.769 lb
1/2 N/A .7368 lb N/A 8.842 lb
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