10Pcs 304 A2 Stainless Steel Hex Hexagon Nut M3 M4 M5 M6 M8 M10 M12 - HomeDIYer
10Pcs 304 A2 Stainless Steel Hex Hexagon Nut M3 M4 M5 M6 M8 M10 M12 - HomeDIYer
10Pcs 304 A2 Stainless Steel Hex Hexagon Nut M3 M4 M5 M6 M8 M10 M12 - HomeDIYer

10Pcs 304 A2 Stainless Steel Hex Hexagon Nut M3 M4 M5 M6 M8 M10 M12

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304/A2 Stainless Steel Hex Nuts - M3 to M12 Full Size Range

304/A2 Stainless Steel M3-M12 Complete Set ASTM Compliant Saltwater & Chemical Resistant

🔩 Built for American Workshops & Job Sites

Extreme Environment Ready

  • Withstands coastal salt spray (5000+ hour salt fog test)
  • Resists de-icing salts and road chemicals
  • Temperature range: -60°F to 1500°F

Precision Sizing

  • M3 (5mm) to M12 (19mm) in one set
  • Meets ASTM A194/A194M standards
  • 1.5D thickness for optimal strength

Professional Grade

  • 18-8 stainless steel composition
  • Rockwell B80 hardness rating
  • 72,500 psi tensile strength

📐 Complete Size Specifications

Size Width Across Flats Thickness Thread Pitch Weight per 100
M3 5.5mm 2.4mm 0.5mm 0.08kg
M4 7mm 3.2mm 0.7mm 0.15kg
M5 8mm 4.7mm 0.8mm 0.28kg
M6 10mm 5.2mm 1.0mm 0.52kg
M8 13mm 6.8mm 1.25mm 1.15kg
M10 17mm 8.4mm 1.5mm 2.35kg
M12 19mm 10.8mm 1.75mm 3.89kg

🛠️ Made for American Trades

Marine Applications

Boat hardware, dock fittings, and trailer components in coastal states

Auto & Truck

Exhaust systems, brake components, and engine bay fasteners

Construction

Structural steel, solar panel mounts, and HVAC installations