Does anyone have an idea on how long these last. and country of manufacture. the china ones i got last time maybe last six months

Hi, Thank you for your interest in our products. These particular caps are manufactured in India, they are small plastic caps so how long they last will depend on the amount of use they get. Generally speaking though one package should last at least a year. Thank you

Do these fit a kubota bx series zerk?

Hello, Thank you for getting in touch, these fit all standard grease fittings (SAE & Metric) and will work on your machine.

How does the securing loop attach? Will i have to unscrew the grease plugs or what?

If your fittings are smaller (1/4"-28 or Metric 6x1 you can unscrew them to install the loop under the head of the Zerk. And, you also have the option of just pushing the loop over the head of the Zerk. You'll still have enough room to attach the cap on top of it and be able to secure your coupler without removing the strap.

will these work as dust caps for automotive brake bleeder valves?

That will depend on the size of the bleeder valve. We haven't tested these on bleeder valves in the past, but if yours are M6 or M8, these should fit.

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🔴 Lock in protection, unlock peace of mind!

SECURE STAY COLLAR - Innovative integrated collar slides onto fittings, ensuring caps never get lost during maintenance.
BULK PACK ADVANTAGE - 50 high-visibility red caps in one pack—always have spares ready for every job.
PRECISION DIMENSIONS - 1.67 inches length with a 15/64 inch inner diameter for a snug, reliable seal.
VERSATILE COMPATIBILITY - Works with larger fittings like 1/8" NPT by adjusting the securing strap—flexibility meets durability.
UNIVERSAL FIT ZERO HASSLE - Seamlessly fits all standard and metric grease fittings, including 1/4"-28 SAE and M6 sizes.

The LockNLube Grease Fitting Caps (50 Count, Red) offer a universal, secure solution for protecting grease fittings. Designed with an integrated collar to keep caps firmly attached, these 1.67-inch long caps fit all standard SAE and metric fittings, including larger sizes with adjustable straps. Ideal for professionals who demand reliability and convenience in bulk.

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Manufacturer	LockNLube
Brand	LockNLube
Product Dimensions	17.78 x 10.16 x 2.54 cm; 40.82 g
Item model number	LNL137
Manufacturer part number	LNL137
Item Weight	40.8 g

Grease Fitting Caps (50 Count) (Red)

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