Hello it’s me again , screw modeling and rendering withe cycles and I enjoy using blender!
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Some scratches on the surface would make a huge difference in terms of realism. Great start though 
Hey check this out. This is on Sketchfab. The creator said he is posting more screws and they are FREE.
there’s an add-on called bolt factory built into blender.
I see what you mean thanks for the comment Tiku_67
Nice your screws, iamwhoiam 
yes it’s true but the pleasure of modeling is priceless JoelEpen 
