Anyone use this to lock M2 taper chucks/arbors?

I've seen it used for that but a clean shrink fit with heated chuck and cooled arbor and tap together with lead hammer does a great job and never slipped for me.

Is there a primer that goes with this for non ferrous metals?

I have used this on plastic, Alum and all steels....works well. Never used a primer

Will this provide a strong enough bond between a steel electric motor shaft and a bronze press fit gear?

its is pretty stout but i don't know i used it for a shaft that is moved by hand for a small mounted micrometer

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LOCTITE680-50ml| green| high strength | cylindrical parts| low viscosity |prevents loosening and leakage from shock and vibration| cures on all metal surfaces| tolerates slightly oiled surfaces

Product ID: 292024898

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Details

Brand
LOCTITE
Specific uses for product
Bearing Joint
Material
threadlocker
Compatible material
Aluminum
Item form
Liquid

💧Low viscosity for easy application

⚙️Ideal for cylindrical parts

🛠️High strength bonding

Description

🔧 Lock it down like a pro—never worry about loosening again!

SMOOTH APPLICATION - Low viscosity formula ensures effortless penetration into tight cylindrical gaps for a flawless bond.
UNMATCHED HOLDING POWER - Locks shafts, gears, and pulleys with industrial-grade strength to prevent loosening under shock and vibration.
TRUSTED BRAND RELIABILITY - From Loctite, the global leader in adhesives, ensuring professional-grade quality and durability.
VERSATILE METAL COMPATIBILITY - Cures reliably on all metal surfaces, even those with slight oil residue—no extra cleaning needed.
PRECISION FIT RELAXED TOLERANCES - Eliminates the need for clamp rings and set screws by allowing relaxed machining tolerances without compromising performance.

LOCTITE® 680 is a high-strength, low-viscosity adhesive designed specifically for bonding cylindrical metal parts. It cures at room temperature, tolerates slightly oily surfaces, and prevents loosening and leakage caused by shock and vibration, making it the go-to solution for retaining shafts, gears, and pulleys with relaxed machining tolerances.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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