Top Tier 304 Stainless Steel Slotted Spring Pins M4 X 20Mm 20 Pack Split Dowel And Tension Roll Fasteners For Rock Solid Positioning And No Sweat Daily Automotive Repair Jobs

High Torque 304 Stainless Steel Slotted Spring Pins Pack
✔️ 4mm/0.16 inch dia 20mm/0.79 inch len 304 Steel 20pc Set

This collection of tapered dowel fasteners locks onto rotating axles and mechanical assemblies where tight clearance matters. You will find them handy in collision centers, engine rebuilds, and industrial maintenance tasks that demand steady hold without slipping bolts.

✅ Axial slots compress into 4mm/0.16 inch bores then expand for rigid alignment
✅ 304 grade alloy resists rust buildup when exposed to shop oils and road spray
✅ Tapered chamfer edges slide past rough machined surfaces for smooth seating
✅ Retains side-load strength without deformation during repeated removal cycles

💡 Why choose slotted spring pins for attaching heavy load rotating shafts in mechanic shops?

These tension holding fasteners provide dependable grip without stripping threaded holes.

- spring backed walls hug undersized drill holes to eliminate wobble

- self centering geometry aligns mating parts faster than threaded inserts

- heat treated metal withstands friction scoring during gear assembly

- solvent resistant coating stays ready for grease packed environments ✝️