5 Pack M2 X 4mm Vernier Caliper Screws 304 Stainless Steel Flat Head Shoulder Thumb Screws With Diamond Knurl Grip Metric Thread Hand Tighten Fasteners For Calipers Machinery Tools And Fixtures

Five-Pack M2x4mm Vernier Caliper Screws in 304 SS
✔️ 5 pcs M2x4mm knurled thumbs, 304 SS, 8mm head dia, 0.31 in

These shoulder-head, knurled thumb screws are designed to secure vernier calipers and precision measuring tools, providing stable fixture positioning during measurements. They’re handy for electronics, machinery, furniture, and automotive components that require frequent manual adjustment.

✅ Pack size: 5 pieces
✅ Thread: M2/M2.5, 0.4 mm pitch (0.02 in)
✅ Head: 8 mm dia (0.31 in) and 5 mm thick (0.20 in)
✅ Flat head thickness: 2 mm (0.08 in); shoulder dia 4.5 mm (0.18 in)

💡 What is a common use for M2x4mm knurled thumb screws in precision measuring tools?

They’re handy for quick, tool-free clamping of calipers and fixtures, keeping measurements consistent.

- They provide reliable hand-tightening without tools. - They fit standard metric threads used by many calipers and gauges. - They resist loosening under light vibration, helping maintain accuracy.