screw piercing for sale, brand-new and used.

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The screws are new in packaging. Bag quantity is 250, size 9-16x1" HWH, finished red. These are like self starting screws, self piercing, washer around head, metal to wood, heat treated, hex head.

Title of your page goes here 1941 MACHINE SHOP TOOLS LATHE MILL JIGS FIXTURES FOUNDRY GEAR CUTTING      This is a 568 page, 5 3/4” x 8 1/2”, hardcover book titled The New Encyclopedia of Machine Shop Practice.   The book was edited by George W. Barnwell Professor of Production Practice Stevens Institute of Technology and was copyrighted and published in 1941.

#8x1/2 Sheet Metal Screw Unslot Hex Washer Hd Type A Zinc Pk 100 Item Description: Sheet Metal Screw Unslot Hex Washer Hd Type A Size: #8x1/2 Thread Type: Grade: