Available Sizes & Finishes
12 sizes available
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Applications & Selection Guide
ISO 898-2 property class 10 hexagon cap nuts to DIN 1587. Matching dome nuts for class 10.9 assemblies that still need a closed, personnel-safe thread end. Listed M4–M24. Confirm protrusion length: an over-long 10.9 bolt will bottom in the dome before clamp is reached.
Use only with 10.9 male fasteners. The dome geometry still limits engagement — if the joint needs full class 10 proof load and a long protrusion, a standard hex nut plus a thread protector may be clearer. Coating of high-strength parts should be specified with care.
Include sizes, quantities, coating requirements, and destination in your quote request. Matching 10.9 bolts can be added.
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 1587
Material Type
Steel
Category
Cap Nut
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