Suitable for securing vernier calipers and precision measuring tools, these M2/M2.5 flat head thumb screws ensure stable fixture positioning during measurements. Their diamond-knurled grip design and metric thread make them versatile for electronic equipment, machinery, furniture, and automotive components requiring frequent manual adjustments.
This pack includes 5 Pcs of M2x4mm knurled thumb screws, crafted from durable 304 stainless steel. Each screw has a 8mm / 0.31" head diameter and 3mm / 0.12" head thickness, offering a robust clamping force. The thread pitch is 0.4mm / 0.02".
These screws are made of quality 304 stainless steel, which has higher corrosion resistance, rust-proof and anti-rust effect than ordinary screws, prolonged lifespan, are not easy to damage, and are more solid; Featuring a diamond knurled texture on the head, these screws provide enhanced grip for easy hand-tightening. The flat head design ensures a flush, secure fit, making them good for applications requiring a sleek appearance.
Simply rotate the knurled head by hand to tighten or loosen—no auxiliary tools required. The M2/M2.5 standard metric thread ensures integration with most vernier calipers. For optimal performance, align the screw with the fixture slot and apply steady manual pressure until securely fastened.
Before purchase, verify that the thread specifications and head dimensions match your device's requirements to ensure proper fit.
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