Lock Tight Self Locking Knob Plunger With Fine Thread Adjustment For Precision Positioning Rock Solid Steel Indexing Pin Bolt No Play Industrial Hardware M16

Solid locking plunger for exact assembly fine thread spec
✔️ M16 self locking knob plunger spring actuated pin alignment

This single pack of stainless steel indexing plungers features a convenient twist-to-lock handle that quickly extends or retracts a hardened steel pin. You will typically mount these directly onto workholding fixtures, jigs, and machine tables to hold down awkward components during drilling or welding tasks. The built-in spring keeps the pin seated firmly when locked, which prevents unexpected movement while you run your shop equipment.

✅ Twisting handle locks or releases spring pin in less than ten seconds
✅ High grade stainless metal resists shop grease and daily wear easily
✅ Straight push fit shaft guarantees zero lateral play during heavy loads
✅ Works perfectly inside custom CNC tables and woodshop vises alike

💡 What steps do you take to install a reliable locking indexing plunger on a flat work board?
This handy little device gives you hands-free position control without cluttering your bench.
- Match the base footprint to your fixture drill pattern and drive bolts snug
- Keep the spring mechanism clear of sawdust and mill chips to prevent sticking
- Rotate the grip fully clockwise until the internal detent catches on the pin
- Test the engagement with moderate forward force to confirm zero wobble remains

✝️