[20 5  & 16 Flat Washer]

[20 5  & 16 Flange Nut]

Size: 5/8-16 series

Specification:
Thread diameter: 0.3 cm.
Head Diameter:1.4cm
Head Height:0.4cm

Button head screws are precision threaded fixings with an internal hex drive (also known as Allen drive) for installation in areas with limited side clearance. The internal hex drive requires an Allen key. They are known for their effective application performance and endurance used in a variety of industries such as construction, manufacturing, engineering, assembly, aircraft and so on and offer a wide range of applications for professionals, amateurs, landlords, repair workers and DIY enthusiasts.

These screws are available in a variety of head shapes that determine how the screw interacts with the appropriate surface, and drive styles that determine the type of tool required to install the screw.

The high-quality 304 stainless steel provides perfect strength and good corrosion resistance in bad environments such as high temperatures, cold weather and high humidity locations without time-consuming and costly maintenance.

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