Metric Fine threaded ( M14 x 1.5mm ) High Tensile Grade 10 Hex Head Full Nuts with incredible corrosion resistence due to the high performing Geomet 500 Zinc Flake Coating. 
Spanner Size 22mm
 
These are the preferred coatings for fasteners and other parts in the automotive and aerospace industries, as they offer various advantages:
Good appearance (colouring)
Very good protection against corrosion (500-1000 hours with a required duration of salt spray in the case of our products)
Resistant to extreme temperatures
Excellent chemical resistance
Environmentally friendly
Excellent friction characteristics
No warm-loosening torque
No risk for high-strength fasteners of any hydrogen embrittlement
Electric conductivity