Metric Coarse Part threaded ( M16 x 2.0mm x Length ) High Tensile Grade 10.9 Flanged Hex Bolts with great corrosion resistence due to the high performing Geomet Zinc Flake Coating. DIN 6921
21mm Spanner Size
Bolt length does not include bolt head
 
This is the preferred coating for fasteners and other parts in the automotive industry, 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