![](http://www.alamy.com/thumbs/6/76AAF478-CC14-4D29-8E27-E81D7ABC30FE/J714JJ.jpg)
butterfly bolts on a black background
Size: 7360px × 4912px
Photo credit: © Freer Law / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: bolt, butterfly, closeup, component, detail, engineering, equipment, fastener, hardware, industrial, industry, machine, mechanic, mechanical, mechanism, metal, metallic, metalwork, metric, object, part, screw, selement, simplicity, steel, wingnuts