Stainless Steel Hex Nut 304 (A2)
A2-70 (AISI 304) hex nut to DIN 934 / ISO 4032 for standard metric threaded assemblies. Sold per piece.
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Applications & Selection Guide
A2-70 (AISI 304) hex nuts to DIN 934 / ISO 4032 with metric coarse thread — the standard mating nut for A2 bolts, screws, and threaded rod.
Use A2 hex nuts throughout machinery, enclosures, railing systems, and general stainless assemblies. Keep nut and bolt in the same grade and property class so the joint behaves predictably; a dab of anti-seize prevents galling on assembly, especially from M10 upward. Metric sizes are listed in the table above.
Sold per piece with a minimum order of 50–100 pieces depending on size. Add nuts to your bolt or threaded-rod quote request for a single consolidated shipment.
Technical guides
304 vs 316 stainless steel: composition, strength, corrosion resistance and when to use each
How 304 (1.4301) and 316 (1.4401/1.4404) stainless steel differ in composition, PREN, strength and chloride resistance, what the L grades and A2/A4 fasteners mean, and which grade to choose.
Read the guide →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
A2-70 / AISI 304
Manufacturing Standard
DIN 934 / ISO 4032
Material Type
Stainless Steel
Category
Hex Nut 304
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