Pentagon Screw Star Socket Cheese Head Nylon Patch Electronic Screws

Pentagon screw is also known as pentalobe screw, the screw drive (often mistaken for 5-point Torx screw drives) is a five-pointed tamper-resistant system being implemented by Apple in its products. Apple’s first use of the pentalobe drive was in mid-2009 to secure the battery in the MacBook Pro. Smaller versions are now used on the iPhone 4 and subsequent models, the MacBook Air (since the late 2010 model), the MacBook Pro with Retina Display, and the 2015 MacBook. Inexpensive pentalobe screwdrivers, manufactured by third parties, are relatively easy to obtain. Pentalobe screw sizes include TS1 (also known as P2 or 0.8 mm, used on the iPhone 4 and subsequent models), TS4 (also known as P5 or 1.2 mm, used on the MacBook Air [since late 2010], the MacBook Pro with Retina Display and the 2015 MacBook) and TS5 (also known as P6 or 1.5 mm, used on the 2009 MacBook Pro battery). The TS designation is ambiguous as it is also used for a Torq-set screw drive. Ever Hardware provides custom-made fasteners and customizable packaging.

Nylon patch is a pre-applied thread-locking coating (typically Nylon), which is fused to internal or external threads of a fastener. The nylon patch is dry to the touch and ready for use right out of the box. Unlike reactive thread lockers, the nylon patch performs immediately upon assembly with no curing time required. When assembled with a mating part, the nylon patch is compressed. The engineered plastic (typically a Nylon Patch) resists this compression and acts as a wedge, increasing the metal to metal contact 180° opposite the material.

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