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Smooth Flange Nut DIN 6923

Stainless + Black Oxide

Coarse Thread

SKU: 00-NFF-BLKSS
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Detail & Specs

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Smooth Bottom, Coarse DIN 6923 Flange Nut / Black Stainless Steel

Non-locking flange nuts have a smooth bottom flange that acts as a built-in washer to evenly distribute force over a larger area against the fastening surface.

This non-serrated nut will not damage the threads of bolts or screws and can be reused. Also known as hex nut with integrated washer.

Material: Stainless Steel 
Suitable for damp locations
Corrosion resistant

Finish: Black Oxide  
- Abrasion resistant, does not peel, chip or rub off 
- Reduces friction, prevents galling 
- Does not change the strength of the stainless steel 
- Practically no dimensional change to base fastener 
- The spray applied during the coating process wears off over time, revealing an attractive matte black finish 

The black oxide coating per MIL-DTL-13924, Class 4 on 300 series corrosion resistant steel meets 96 hours of resistance in a 5% salt spray (fog) test in accordance with ASTM B117. We recommend using stainless steel installation tools to prevent extraneous rust.

Stainless flange nuts are commonly used in damp environments for corrosion resistance, popular across a wide range of industries: automotive, agriculture, food processing, clean energy, etc.