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20mmSS316

M20 Hex Nut SS316 (Dia. 20mm)

  • Thread: M20 x 2.5mm pitch (standard metric coarse).
  • Across flats: 29.16mm (min) to 30.0mm (max).
  • Thickness: 14.9mm (min) to 16.0mm (max).
  • Material: SS316 Stainless Steel (A4 / 1.4401).

₹32.00

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Category: Hex Nuts
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Description

Description

Enhance your assembly reliability with our M20 Hex Nut made from marine-grade SS316 (A4 / 1.4401) stainless steel. Engineered for pairing with M20 bolts, U-bolts, and threaded rods, these nuts offer outstanding corrosion resistance and strength—making them indispensable for demanding industrial, marine, chemical, and sanitary environments.

Key Features

  • Premium SS316 Stainless Steel: Delivers exceptional resistance to rust, acids, alkalis, and saltwater, perfect for harsh outdoor and hygiene-critical applications.
  • Standard Compliance: Manufactured to DIN 934 standards for precise metric sizing and compatibility with all M20 hardware.
  • Professional Finish: Passivated or polished to ensure a clean, hygienic appearance, suitable for food-grade, sanitary, and visible assemblies.
  • Mechanical Strength: Designed for heavy-duty use, maintaining reliable fastening under high torque and repeated assembly cycles.

Technical Specifications

  • For use with M20 bolts, U-bolts, and threaded rods (20mm nominal diameter).
  • Thread: M20 x 2.5mm pitch (standard metric coarse).
  • Across flats: 29.16mm (minimum) to 30.0mm (maximum).
  • Thickness: 14.9mm (minimum) to 16.0mm (maximum).
  • Material: SS316 Stainless Steel (A4 / 1.4401).

Applications

  • Corrosion-proof fastening in marine, chemical, food, beverage, water treatment, utility, and pharmaceutical installations.
  • Structural, mechanical, and equipment assemblies where hygiene, strength, and long life are critical.
  • Construction, infrastructure, and assembly projects exposed to harsh or aggressive environments.
  • Ideal for pairing with M20 U-bolts, hex bolts, and all matching metric fasteners.

Why Choose Our M20 SS316 Hex Nuts?

  • DIN-compliant sizing assures a perfect, reliable fit with all M20 metric hardware.
  • Unbeatable corrosion resistance for the harshest chemical, saline, or hygiene-sensitive conditions.
  • Clean, polished finish—ideal for visible, clean-room, or food-grade usage.
  • Bulk and custom orders available to suit every scale of project.
Additional information

Additional information

Weight 0.6 lbs
Dimensions 1 × 1 × 2 in
Dimensions
DIN 125
Inner Diameter Outer Diameter THICKNESS
SIZE PITCH MIN MAX MIN MAX MIN MAX
M6 - 6.4 6.62 11.57 12 1.4 1.8
M8 - 8.4 8.62 15.57 16 1.4 1.8
M10 - 10.5 10.77 19.48 20 1.8 2.2
M12 - 13 13.27 23.48 24 2.3 2.7
M14 - 15 15.27 27.48 28 2.3 2.7
M16 - 17 17.27 29.48 30 2.7 3.3
M18 - 19 19.33 33.38 34 2.7 3.3
M20 - 21 21.33 36.38 37 2.7 3.3
M22 - 23 23.33 38.38 39 2.7 3.3
M24 - 25 25.33 43.38 44 3.7 4.3
M27 - 28 28.33 49.38 50 3.7 4.3
M30 - 31 31.39 55.26 56 3.7 4.3
M33 - 34 34.62 58.8 60 4.4 5.6

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We specialize in providing a wide range of premium-quality industrial fasteners, bolts, nuts, washers, anchor bolts, screws, and fittings – all at your fingertips. Whether you're a professional contractor, manufacturer, or DIY enthusiast, we offer dependable fastening solutions backed by over a decade of industry expertise.

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