DIN 931 / DIN 933 – Hexagon Head Bolts / Screws
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Code:770
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Weight:0.500 Kgs
DIN 931 / DIN 933 – Hexagon Head Bolts / Screws
DIN 931 and DIN 933 are German standards that specify hexagon head bolts and screws with metric threads.
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DIN 931: Hexagon head bolts with partially threaded shank (only part of the bolt has threads).
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DIN 933: Hexagon head screws with fully threaded shank (thread runs the entire length of the screw).
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DIN 931 / DIN 933 – Hexagon Head Bolts / Screws
DIN 931 and DIN 933 are German standards that specify hexagon head bolts and screws with metric threads.
-
DIN 931: Hexagon head bolts with partially threaded shank (only part of the bolt has threads).
-
DIN 933: Hexagon head screws with fully threaded shank (thread runs the entire length of the screw).
Key characteristics:
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Head type: Hexagon head (for wrench tightening)
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Thread type: Metric coarse or fine thread
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Strength classes: Commonly 8.8, 10.9, or 12.9 (according to ISO 898-1)
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Materials: Usually carbon steel, stainless steel (A2, A4), or other alloys
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Surface finish: Plain, zinc-plated, hot-dip galvanized, or other coatings
Applications:
Used in mechanical engineering, construction, automotive, and machinery assembly — wherever strong, reliable bolted joints are needed.
Equivalent standards:
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ISO 4014 (for DIN 931)
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ISO 4017 (for DIN 933)
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