Sega Genesis 3-Button Controller [MK-1650] Replacement Casing Screws [Thick Variant]

If you are repairing, restoring, or cleaning an original Sega Genesis 3-Button Controller (Model MK-1650), having the correct casing screws is essential. Due to Sega utilizing multiple manufacturing plants across the globe (China, Taiwan, Japan, and Malaysia), there are at least seven known internal variants of this iconic controller.

Crucially, these variants utilize two distinctly different sizes of outer casing screws. Forcing the wrong screw into your controller shell can strip the plastic posts or crack the casing. Please review the specifications and compatibility lists below to ensure you purchase the correct set for your specific controller variant.

Thick Casing Screws

Product Overview: This is a set of 50 high-quality replacement casing screws for the Sega Genesis 3-Button Controller (MK-1650). These are the "Thick" variant screws, designed specifically for early or distinct manufacturing runs that utilized wider plastic mounting posts inside the controller shell. They feature a black finish and a standard Phillips drive head to match the original factory aesthetic.

Specifications:

• Drive Type: Phillips

• Color: Black

• Length: 9.72 mm

• Thread Diameter: 2.51 mm

• Quantity: 50 Screws

Known Compatibility: These larger, thicker screws are required for specific MK-1650 shells. Do not use these in shells designed for thin screws, as it will damage the plastic. Compatible with:

• China Variant 1: Easily identified by the Large "1650" text molded into the back of the controller casing. (Internally, this variant features a conductive pad with a metal ball for the directional pad).

• Select Taiwan Variants: Certain Taiwan-manufactured shells with interchangeable casings were tapped for these wider gauge screws.