LOCTITE 577 - Thread Sealant / for Metal Threads

SVB item number: 30012
Liquid pipe thread sealant, easy to remove with standard tools. Suitable for threads with max. 3". Contents: 50 ml
Product details
Recommended retail price: €45.68
only  €39.95 (€799.00 / L)
-13%
You save: €5.73
61 | in stock
pcs.
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Available variants

LOCTITE 55 Thread Sealing Cord / for Plastic and Metal Threads
LOCTITE 55 Thread Sealing Cord / for Plastic and Metal Threads
only €25.95
To product

Product data

  • SVB item number 30012
  • EAN 5010266011967
  • Description LOCITE 577 - Thread sealant
  • Examples of use Thread
  • Contents 50 ml

Product details

Liquid pipe thread sealant, easy to remove with standard tools. Suitable for threads with max. 3". Fuel and oil resistant. Contents: 50 ml.
LOCTITE® 577 is used for securing and sealing metal pipe threads and fittings. Also suitable for use on passive metals such as stainless steel. The product cures on passive metals without an activator and prevents leaks caused by vibrational loosening and other stresses.

Note
LOCTITE 577 thread sealant is not suitable for plastic threads.

Documents

de-flag Manual
PDF (66,51 KB)
de-flag Safety datasheet
PDF (882,18 KB)

Product safety

Please note the following hazard warnings:

Hazard pictograms
Signal word
Warning
Hazard warnings
If medical advice is needed, have product container or label at hand.
Keep out of reach of children.
Wear protective gloves/protective clothing/eye protection/face protection.
If skin irritation or rash occurs: Get medical advice/attention.
Dispose of contents/container to …
May cause an allergic skin reaction.
Harmful to aquatic life with long lasting effects.
P101, P102, P280, P333+P313, P501, H317, H412

What other SVB customers have to say

100% real reviews

19 customer reviews

4.7 (out of 19 ratings)
3 Stars
(0)
2 Stars
(0)
1 Stars
(0)
100% recommend SVB
  • Advantages
  • Package (5)
  • Colour (5)
  • Yield (theoretical) (4)
  • Price/performance ratio (4)
  • Processing (5)
  • Effect (5)
  • Shelf life (4)
  • Use after treatment (4)
  • Drying time (4)
Heikki R.
by Heikki R. Flag of Finland 6/5/2026 Verified purchase Variant: 30012
Easy to use
Easy to use. A positive thing was that the nozzle did not clog between uses.
Note. This package size is quite lagre and there is enough sealant for multiple connections.
  • Advantages
  • Package
  • Colour
  • Processing
  • Effect
Thiéry D.
by Thiéry D. Flag of France 2/19/2026 Verified purchase Variant: 30249
Alright
Practical and compact
Ove C.
by Ove C. Flag of Sweden 12/9/2025 Verified purchase Variant: 30012
Good product!
This product works ok. It is fantastic glue
  • Advantages
  • Package
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Effect
  • Shelf life
  • Use after treatment
  • Drying time
Jean-yves V.
by Jean-yves V. Flag of France 11/22/2025 Verified purchase Variant: 30012
Alright
engine valve passes through the hull
  • Advantages
  • Package
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Effect
  • Shelf life
  • Use after treatment
  • Drying time
Christoph B.
by Christoph B. Flag of Austria 6/10/2025 Verified purchase Variant: 30012
Everything fine
As usual everything was perfect
  • Advantages
  • Package
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Effect
  • Shelf life
  • Use after treatment
  • Drying time

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Comparison

Availability / Price
only €39 95
61 in stock
only €25 95
61 in stock
Item no.
30012
30249
Customer ratings
(19)
(22)
Description
LOCITE 577 - Thread sealant
LOCTITE 55 thread sealing cord
Contents
50 ml
 
Material
 
Polyamide
Examples of use
Thread
 
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LOCTITE 577 - Thread Sealant / for Metal Threads
View Ratings (19) Questions (3)