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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
1 

Size

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
9/16 N/A .9325 lb N/A 11.19 lb
5/8 N/A 1.151 lb N/A 13.82 lb
11/16 N/A 1.393 lb N/A 16.72 lb
3/4 N/A 1.658 lb N/A 19.89 lb
13/16 N/A 1.946 lb N/A 23.35 lb
7/8 N/A 2.257 lb N/A 27.08 lb
15/16 N/A 2.590 lb N/A 31.08 lb
1 N/A 2.947 lb N/A 35.37 lb
1 1/16 N/A 3.327 lb N/A 39.93 lb
1 1/8 N/A 3.730 lb N/A 44.76 lb
1 3/16 N/A 4.156 lb N/A 49.87 lb
1 1/4 N/A 4.605 lb N/A 55.26 lb
1 5/16 N/A 5.077 lb N/A 60.93 lb
1 3/8 N/A 5.572 lb N/A 66.87 lb
1 7/16 N/A 6.090 lb N/A 73.08 lb
1 1/2 N/A 6.631 lb N/A 79.56 lb
1 9/16 N/A 7.196 lb N/A 86.35 lb
1 5/8 N/A 7.783 lb N/A 93.39 lb
1 11/16 N/A 8.393 lb N/A 100.7 lb
1 3/4 N/A 9.026 lb N/A 108.3 lb
1 13/16 N/A 9.682 lb N/A 116.2 lb
1 7/8 N/A 10.36 lb N/A 124.3 lb
2 N/A 11.79 lb N/A 141.5 lb
2 1/8 N/A 13.31 lb N/A 159.7 lb
2 3/16 N/A 14.10 lb N/A 169.2 lb
2 1/4 N/A 14.92 lb N/A 179.0 lb
2 3/8 N/A 16.62 lb N/A 199.5 lb
2 7/16 N/A 17.51 lb N/A 210.1 lb
2 1/2 N/A 18.42 lb N/A 221.0 lb
2 5/8 N/A 20.31 lb N/A 243.7 lb
2 3/4 N/A 22.29 lb N/A 267.5 lb
3 N/A 26.53 lb N/A 318.3 lb
3 1/2 N/A 36.10 lb N/A 433.2 lb
Unit of Measure
1