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US 2006/0078403 A1Published application
Method for the production of a screw, and screw produced according to said method
AssigneeSFS intec Holding AG
InventorsThomas Matzler, Ernst Rohner
Life of this patent
Estimating the term…
Abstract
A screw (1) having a head (2), a shaft (4) that includes a thread (5), and an interior engaging member (3) in the head is provided. The screw (1) is produced from an ultra-high strength steel using a cold forming method.
Claims4
A method for producing a screw provided with an interior engaging member, comprising:
- using ultrahigh-strength steel as a source material and cold forming the screw including the interior engaging member from the source material.
A screw, indexable inserts, comprising ultrahigh-strength steel formed with head having an interior engaging member, by way of cold forming.
Dependencies are inferred from the claim text.