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M3.9 Pan Phillips Tapping

Stainless A2 + Black Oxide

DIN 7981-C

SKU: 00-MSMB3.9-SS
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Detail & Specs

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Phillips Drive Pan Head TAPPING Screw / Stainless, Black
Self-Tapping screws are meant to be installed directly into sheet metal. Tapping Screws require a pilot hole and tap their own threads during install. They cannot be used with machine thread tapped holes or machine thread nuts.

Head Style
Wide head style with chamfered / curved sides and a recessed phillips drive, one of the most common sheet metal tapping screw styles.

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 tapping screws are commonly used in damp or wet environments for corrosion resistance, popular across a wide range of industries: furniture, automotive, industrial machinery, architectural finish work, agriculture, food processing, clean energy, etc. A secondary black oxide coating provides