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M20X2.5 Flat Head

A4 Stainless

ISO 10642

SKU: 00-Y10642-A4-M20
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M20X2.5 Flat Head Cap Screw - A4 Stainless ISO 10642 / DIN 7991

Allen Socket Flat Head Cap Screws have a 90 degree angle underneath the head. When installed, the head of this screw is meant to sit flush with the surface of the work in a countersunk hole. 

*Measured by overall length, including the head.*

Fully threaded flat socket cap screws are meant to engage the entire length with a tapped hole. These bolts can be used with many different styles of locking and non-locking nuts,

Also known as a countersunk allen head machine screw, hex drive flat head countersunk socket cap bolt.

Material: A4 / SAE Type 316 


A4 / 316 Stainless Steel fasteners are "marine grade" corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.

Commonly used in wet environments. Popular across a wide range of industries: automotive, agriculture, photographic, medical / surgical,  food processing, robotics, architectural detailing, construction, healthcare, sanitary, transportation, clean energy, etc.

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