M4 × 20mm Black Flat Head Hex Socket Screw – DIN 7991

M4 × 20mm Black Flat Head Hex Socket Screw – DIN 7991

Metric flat head socket screw featuring a countersunk head and internal hexagonal (Allen) drive.

Designed for applications requiring a flush-fitting screw head when installed in a properly countersunk hole.

Specifications:

• Thread Size: M4 × 0.7mm 

• Length: 20mm, measured including the head

• Head Style: Flat Countersunk

• Drive Type: Internal Hex (Allen)

• Standard: DIN 7991 (as labeled)

• Finish: Black

• Sold Individually

Suitable for equipment repairs, mechanical assemblies, hobby projects, and general metric fastening applications.