What's the difference between outer hexagon screws and inner hexagon screws? | Sic-solar.com

 Outer hex screws and inner hex screws are both fasteners that used in machinery, mainly for fastening, disassembly, not easy slip Angle and other advantages, also , the length can be customized according to defference condition.


What's the difference?

1. Inner hexagonal bolts are round on the outside and concave hexagonal on the middle, and outer hexagonal screws are the regular hexagonal sides of the heads.


2. The using tool is difference too.

Outer hexagonal screws use external hexagon wrench

Inner hexagonal bolts use Hexagonal socket wrench.


SIC Solar is a professional manufacturer of solar mounting systems.Customized solar panel mounting brackets and ground mount solar.Inquiry now!

Outer hex screws


Inner hex screws


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