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GB1535775A
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Method of producing high-strength cold-formed parts
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US4052873A
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Apparatus for continuous pressing of bolts, screw blanks or similar parts
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IT1060076B
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Mfr. of banjo unions, hose nozzles etc. - sheet metal disc is deep drawn to shape and machined
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DE2531944A1
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High strength cold formed parts such as steel bolts - made by drawing and upsetting to eliminate need for heat treatment
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DE2437214A1
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METHOD AND DEVICE FOR MANUFACTURING MULTIPLE RIVETS AND SIMILAR SHAPED PARTS
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DE2248251A1
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Cold extrusion press for tubes - uses punch to shear waste
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GB1339949A
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Screw-driving machines
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GB1316157A
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Self-drilling screws
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GB1315172A
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Self-drilling screws
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DE1938571A1
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Descaling and/or polishing metals
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