Dies shape and finish the body and head of the fastener — they confine the material during upsetting (cylindrical), imprint serration/ribbing, form the hex and trim the final profile (trimming). Made with a carbide insert under pre-stress, to drawing and sample.
Cylindrical-bore die that confines the fastener body during upsetting, ensuring diameter and straightness.
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Cylindrical die with internal ribs that form grooves/serration on the body or under the head of the fastener.
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Die that forms serration under the head — teeth that lock the fastener against the surface and prevent loosening.
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Trimming die that trims the preformed head to the hex or defined profile, giving the final finish.
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Trimming die with square profile, for square heads and square necks of screws and special elements.
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Rectangular-profile trimming die for elongated heads and bosses of fasteners and special components.
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Tooling that forms the drill point (self-drilling) of self-drilling type screws, for fastening without a pilot hole.
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Die built in segments (split) to form complex profiles and ease the removal of parts with internal details.
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Hexagonal-cavity die that directly forms the six-sided head during upsetting, with precision faces and corners.
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Element that locks/secures the die in the cold former's die holder, ensuring position and resistance to impact.
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