12.9 grade hexagonal bolt, extended cup head internal hexagonal screw M14/M16/M18/M20/M22/M24

Attention: The size numbers in the product are all in millimeters
For example: 3 * 10
The thread diameter is 3mm. The length is 10mm
Model: Cup head hexagonal screw
Material: Black Carbon Steel
Origin: Chinese Mainland
Product strength: 12.9 level
Head shape: Inner hexagon
Standard Type: Hexagonal Head
Factory direct sales
Pcs represents the quantity of this size
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