Penetrating lubricant

Maintenance

A spray that frees stuck fasteners, quiets squeaks, and displaces water.

Approx. cost: $5–$15
Weight: 4–12 oz
Used in: 2 kits

Purpose

Loosen seized parts and protect metal from corrosion.

Used in kits

Motorcycle Touring Tool Kit
Vehicle
Sewing Machine Service Kit
MYOG

Alternatives

Dedicated penetrating oil— Better at freeing rusted bolts; single-purpose.
Machine oil— For precise lubrication of moving parts.

Maintenance notes

Store upright; check the straw is attached.

Buying considerations

A general spray displaces water; a true penetrant frees rust.
Keep it away from brake surfaces and belts.

Page history & editing

Revision status: approved Last edited 2026-07-01 by human editor