Best Retaining Compounds in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Retaining Compounds

Retaining Compound Green R-638 High Strength Cylindrical Metal Components Retainer Assemblies Locking Sealant, 1.69 Fl oz/50 ml
#TOP1
Retaining Compound Green R-638 High Strength Cylindrical Metal
9.6
PM SCORE
Loctite-66010 Retaining Compound, QuickMetal(R), 6mLTube, Silver
#TOP2
Loctite-66010 Retaining Compound, Quickmetal(R), 6Mltube, Silver
9.6
PM SCORE
Tub, Tile and Shower Repair Kit (Color Match) Fiberglass Repair Kit -White/Almond/Black/Bone/Bisque/Biscuit/Grey/Cream/Off White/Beige, Odorless Bathtub Paint/Porcelain Repair Kit
#TOP3
Tub, Tile And Shower Repair Kit (Color Match)
9.3
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Retaining Compounds of 2026

Market Overview
Retaining Compounds Reviewed
  • Reviews Analyzed: 2025 Items
  • PM Avg. Rating: 8.2 / 10
5 Products Evaluated
  • Highest Price: $25.20
  • Lowest Price: $9.99
  • Avg. Price: $15.92
#TOP1

Retaining Compound Green R-638 High Strength Cylindrical Metal Components Retainer Assemblies Locking Sealant, 1.69 Fl Oz/50 Ml

ESKONKE
RC21-S004R
6.20 X 2.20 X 0.60 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ESKONKE 9.72

Features

Ideal glue for the installation of smooth/unthreaded cylindrical metal assemblies: 1,Fill the voids and reduce the precision requirements of design, production and installation; 2,Prevent assembly from loosening, wear and corrosion; 3,Evenly distribute loads and stresses during assembly; 4,Sealed from oxygen and other contaminants. Extend the life and safe use of the equipment!

High Strength: After complete curing, Shear strength can be comparable to that of metal materials (R-609 ≈ Aluminum, R-620 & R-680 ≈ Copper, R-638 ≈ %0.1 C Steel), Ensuring efficient and stable operation of the equipment. Needs to be heated to 250 ℃/482℉ when disassembling, and mechanical auxiliary equipment is required.

Applicable Scope: Suitable for the assembly of any smooth, unthreaded cylindrical metal components, Such as keys and shafts, bearing, rotor shaft, bushing, casing, cylinder liner, key slot, valve sleeve, movement sleeve, valve bushing etc. Choose the appropriate use according to the characteristics of different models.

Applicable Material: Suitable for all kinds of solid metals, even metals with active surfaces such as iron, copper, brass, steel, etc. not to mention metals with inert surfaces such as stainless steel, aluminum, gold, etc.

Simple Use: Just apply the product evenly to the fixed location, the product will start curing within 4 minutes after the assembly is installed, and it can be used normally after 24 hours of standing.

#TOP2

Loctite-66010 Retaining Compound, Quickmetal(R), 6Mltube, Silver

LOCTITE
66010
3.30 X 1.00 X 0.70 Inches
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

10 minute fixture set with full-cure within 24 hours

Package Dimensions: 10.16 H x 2.54 L x 2.54 W (centimetres)

Package Weight: 0.023 kilograms

Country of Origin : United States

Tub, Tile And Shower Repair Kit (Color Match) Fiberglass Repair Kit -White/Almond/Black/Bone/Bisque/Biscuit/Grey/Cream/Off White/Beige, Odorless Bathtub Paint/Porcelain Repair Kit

ANKITA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EASIELIFE 9.65

Features

Bathtub & Porcelain Chip Fix - This Water-resistant fiberglass repair kit can be used to repair chips, scratches, dents and holes on tub, sink and tiles. Works perfectly on fiberglass, acrylic, ceramic, enamelled steel, enamelled cast iron, porcelain and gel-coat.

Perfect Color Match - Pairs well with white, arctic, milk white, cream, dune, biscuit, bisque, bone, celadon, heavy gray, ice gray, thunder gray and black. Our products leave no trace of repairs. You do not need to add additional paint to the surface.

Safe & Environmentally Friendly - The acrylic bathtub crack repair kit is made of safe raw materials, has a comfortable smell, and a waterproof formula that can be washed with water.

Cost-effective - When your chipping acrylic, porcelain bathtub, enamel sink, or fiberglass tile breaks, you don’t need to spend money to buy a new one anymore. This bathtub repair kit is durable and long-lasting, providing great adhesion in a few simple steps, good for repairing leaks.

After-sale service - if you have any problem, we also offer 5 years after-sales service. If the repair result cannot meet your needs, send us a photo and we will work with you on a solution.

#TOP4

Loctite 555337 Quick Metal Retaining Compound, 660 Press Fit Repair 50-Mililiter Tube

LOCTITE
555337
4.00 X 3.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HRP / Power Oil Center 9.92

Features

Designed for the bonding of cylindrical fitting parts

Bond gaps can approach 0.50 mm (0.02 in.)

Prevents loosening and leakage from shock and vibration

The product cures when confined in the absence of air between close fitting metal surfaces

Typical applications: refitting worn shafts, housings, coupling and form-in-place shims, repairing worn keyways, loose set screws and other severely worn parts

#TOP5

Loctite 680 High Strength Retaining Compound, 250 Ml Bottle, Green

LOCTITE
079340-68041
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Sale Unit: BOTTLE

Top 10 retaining compounds Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Loctite 3
Ankita 1
Eskonke 1

Top 10 retaining compounds Brands Pie Chart


We've carried out a comprehensive analysis of 2,025 reviews on retaining compounds, using our selection criteria to identify the best options in the industrial adhesives, sealants & lubricants. Our findings reveal that most customers typically select retaining compounds priced around $15.92, with top brands including loctite, vibra-tite, eskonke and park tool and henkel

Our team of expert editors reviewed these high-quality items and handpicked the top 5 retaining compounds for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the industrial adhesives, sealants & lubricants category. These include flying rhino, amazon.com, actools, eskonke, taurish, hrp / power oil center and bicycle addiction and praztech .

We are dedicated to assisting our users in finding the right compounds Products based on their needs, saving them considerable time when choosing which retaining compounds to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.