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 M2x4 knurled thumb screws. Each screw has a 8mm / 0.31" head diameter and 5mm / 0.2" head thickness, offering a robust clamping force. The thread pitch is 0.4mm / 0.02". The flat head thickness is 2mm / 0.08", and the column end diameter is 4.5mm / 0.18".
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. The flat head design ensures a flush, secure fit, making them good for applications requiring a sleek appearance.
The shoulder head provides a larger contact surface, which can help you tighten or loosen it more easily. 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.
Before purchase, verify that the thread specifications and head dimensions match your device's requirements to ensure proper fit.
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