M10 x 20mm Countersunk Socket Screws Grade 10.9 Black - Pack of 4
M10 x 20mm Countersunk Socket Screws – Grade 10.9 High Tensile – Black – Pack of 4
M10 x 20mm countersunk (CSK) socket head cap screws in high tensile Grade 10.9 black finish steel. Driven by Allen hex key. Measured including head (total bolt length). Conforms to DIN 7991 / ISO 10642.
- Size: M10 x 20mm (total length including head)
- Pack Quantity: 4 screws
- Head Type: Countersunk (CSK)
- Drive: Hex socket (Allen key)
- Grade: 10.9 High Tensile
- Finish: Black (self colour / black oxide)
- Standard: DIN 7991 / ISO 10642
- Country of Origin: GB
Suitable for high-strength engineering, automotive, and machinery applications where a flush, low-profile fastening is required. The black finish provides a clean aesthetic and moderate corrosion resistance.