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ISO 898-1 class 10.9 alloy steel hex bolts (DIN 931 / ISO 4014), partial thread with unthreaded shank. High-preload metric fasteners for longer clamps — M3–M39.
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280 sizes available
ISO 898-1 property class 10.9 hex head bolts, partial thread to DIN 931 / ISO 4014. Alloy steel quenched and tempered to 1000 MPa for high-preload joints with longer grip lengths.
Choose class 10.9 DIN 931 for high-clamp-force connections that benefit from an unthreaded shank. Mate with class 10 nuts; confirm coating compatibility with the heat-treated substrate. Catalog M×L sizes are listed above.
Include sizes, quantities, coating requirements, and destination in your quote request.
ISO 898-1 class 10.9
DIN 931 / ISO 4014
Steel
Partial Hex Bolt
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