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M4 Torx Button Flange

Stainless + Black Oxide

ISO 7380-2 TX

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M4 Torx-20 Drive Flanged Button Head Screw / Black Stainless Steel

Torx-Drive flanged button head machine screws have a built-in washer that ensures superior force distribution over a greater area, eliminating the need for a separate washer. The smooth head design gives a neat, professional finish free from sharp edges, great for furniture an automotive applications.

These screws can be used with many different styles of locking and non-locking nuts, tightly clamping together whatever the cap screw is being used to secure.

Drive Style / Size: TX-20 
A six lobe torx wrench is used to install these screws, allowing access into spaces where a traditional external hex drive bolt would not fit. Torx drive screws provide higher torque transfer because the driving forces are transferred to each surface of the six lobes (wobble-free), instead of the four edges of the four edges on a phillips drive. Additional benefits include less wear on tools and no damage to the surface coating.

Material: Stainless Steel 
Suitable for damp locations
Corrosion resistant

*Commonly used in damp environments for corrosion resistance, stainless steel fasteners are popular across a wide range of industries: automotive, outdoor furniture, agriculture, architectural components, food processing, clean energy, etc.

Finish: Black Oxide
Attractive matte black finish
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 black oxide coating per MIL-DTL-13924, Class 4 on 300 series corrosion resistant steel will show no signs of corrosion after 96 hours of exposure in a 5% salt spray (fog) test in accordance with ASTM B117.

Also known as corrosion resistant metric integrated flange six-lobe head, rounded head inner multi-tooth drive machine screw


ISO 7380-2 // "7380" = Button Head Profile // "-2" = Flanged Form