double ended bolt with nut in middle

The head of a self-drilling screw is typically made from nylon, a synthetic polymer known for its durability, resilience, and resistance to chemicals. This material choice serves several purposes. Firstly, the nylon head provides an excellent grip, reducing the chances of slippage during tightening, making it ideal for applications where a secure hold is essential. Secondly, nylon is non-conductive, making these screws safe to use in electrical installations. Lastly, the low friction coefficient of nylon allows the screw to glide smoothly into the material, minimizing the risk of damage.

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One of the primary functions of drilling wing tip screws is to maintain the structural integrity of the wing during flight. The constant changes in altitude, speed, and temperature can cause the wing components to expand and contract, which could lead to fatigue and eventual failure if not properly secured. By using drilling wing tip screws, aircraft manufacturers can ensure that the wing remains rigid and stable, thereby enhancing the overall safety of the aircraft.

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