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Applications & Selection Guide
ISO 898-2 property class 10 hexagon nuts to DIN 934 / ISO 4032. Alloy steel, quenched and tempered to match ISO 898-1 class 10.9 male fasteners. Metric coarse thread, standard height. Listed M3–M80.
Always mate class 10 nuts with 10.9 bolts or equivalent high-preload studs — using a class 8 nut wastes the bolt’s capacity and can strip the nut. Typical on machine tools, presses, hydraulic equipment, and compact high-load joints. Confirm any electroplated coating is compatible with the heat-treated substrate (hydrogen embrittlement risk on high-strength fasteners). For HV structural sets use DIN 6915 instead.
Include sizes, quantities, coating requirements, and destination in your quote request. Matching 10.9 bolts and washers can be quoted together.
Technical guides
Bolt grades and sizes: 8.8, 10.9, 12.9, A2 and A4, and metric hex bolt dimensions
What the property classes 4.8, 8.8, 10.9 and 12.9 and stainless A2-70 and A4-70 mean, minimum strength and tensile loads, metric thread pitch and hex head sizes, DIN 933 vs DIN 931, and which nut goes with which bolt.
Read the guide →Nut and washer types compared: hex, lock, flange, castle, coupling, cap and HV nuts, flat, spring and structural washers, with their standards
How hex, thin, nylon-insert and all-metal lock, flange, castle, coupling, cap, wing and HV nuts differ, which nut class goes with which bolt, and when to use DIN 125, DIN 127, DIN 7989 and DIN 6916 washers.
Read the guide →Product Information
Material Grade
ISO 898-2 class 10
Manufacturing Standard
DIN 934 / ISO 4032
Material Type
Steel
Category
Hex Nut
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