J-B Weld

J-B Weld Original Steel Reinforced Epoxy Syringe High Strength 2 Pack Dark Grey 50165-2

52+ bought in the past month

$13.96

About this item

  • J-B Weld is The Original Cold-Weld two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces. Mixed at a ratio of 1:1, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. At room temperature, J-B Weld sets in 4-6 hours to a dark grey color. Full cure is reached in 15 hours. J-B Weld has a tensile strength of 5020 PSI and sets to a hard bond overnight. It can withstand temperatures up to 550°F when fully cured
  • CURE AND SET TIME: J-B Weld Original High-Strength Syringe sets in 4-6 hours and cures in 15 hours.
  • STRENGTH: J-B Weld Original Syringe has tensile strength of 5020 PSI.
  • GREAT FOR: Great for household repairs, automotive, plumbing, marine, crafts and more.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.
$13.96

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Product details

BrandJ-B Weld
Specific Uses For ProductRepair
MaterialEpoxy
Item FormLiquid
Special FeatureFast Setting

Technical specifications

brandJ-B Weld
specific_uses_for_productRepair
materialEpoxy
item_formLiquid
special_featureFast Setting
colorDark Grey
item_package_quantity1
package_informationSyringe
item_volume0.85 Fluid Ounces
viscosityModerate
full_cure_time15 Hours
water_resistance_levelWaterproof
tensile_strength5020 Pounds Per Square Inch
unit_count1.7 Fluid Ounces
viscosity_levelMedium
upc043425990556
number_of_pieces2
global_trade_identification_number00043425990556
manufacturerJ-B Weld
product_dimensions1.25 x 4.38 x 8.63 inches
item_weight7.4 ounces
item_model_number50165-2
date_first_availableJanuary 25, 2024
best_sellers_rank#1,807 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Metal Filled Epoxies

Product videos

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Customer reviews

4.71,534 ratings

Customers say

Customers find this epoxy to be a fantastic product that works well for various applications, with one mentioning its effectiveness on handrails.

★★★★★

Works great on many things. Have used for many years.

LionsdenJanuary 14, 2026

Always been a fan of J-B Weld. Others seem just as good most of the time, but have stuck with what I know. I like the syringe applicator and much less messy than the squeeze tubes. If mixed good and surface prepared and cleaned this always seems to hold and work long term. Easy to use and durable. For the money it isn't the cheapest, but you always know what you are getting. Read more

★★★★★

Used properly, JB weld products are on par with industrial grade epoxy adhesives.

JulesApril 27, 2024

Let me preface: I work as a QA/QM/QC engineer with hard state electronics, I am self-taught in how to do electrical work (house wiring) and also self taught in the use of machine shop equipment (drill presses, lathes, so on and so on). Part of my work is also with "potting" compounds, that is, encapsulating the industrial electronic piece in various lacquers, fiber glass resins, high thermal condustivity and high dielectric strength epoxies. Suffice to say, I know what I am talking about. AB is on par with these industrial grade "potting" compounds. There is a faucet in my house that has that stupid design where the handle is on a stem that is held in place with a set screw (a screw with no head). After repeated usage it came undone. The valve still works but the handle did not stay in place. So I used this AB product to back fill the orifice in to which the valve stem was inserted and then cranked a flat head screw in to the port for which the set screw was intended. It's been in service since then with ZERO FAILURE for several years, and the hand is solidly held in place, there is no slop in the handle's movement. It's "welded" in place by the back fill with the JB weld and the screw which held it in place until the JB weld putty set. There is another faucet which was a much more complicated fix, so I won't describe that one. All one needs to know is with JB weld and ingenuity I made the handle effectively shatter proof, you can slap the handle down with a thunk and it will not come undone. Read more

★★★★★

Cures as hard as steel!

John TateDecember 7, 2025

Impressive how solid this stuff is when it’s setup over night. It has the same consistency as steel! Grinds off smoothly and makes a hard bond. Works as intended, recommend this product. Read more

★★★★★

A great product for every household.

ZoomSeptember 8, 2025

Great stuff! I have been using this product for many years. The new plunger system is much better than the old containers. This is really tough stuff and will adhere to most anything. Read more

★★★★★

JB Weld - always works for my projects.

DarkEyesAugust 30, 2025

JB Weld products always work great for my projects. I haven't been disappointed yet. Easy to use, and they do what they say they'll do. Read more

★★★★☆

J B

Mark BOctober 18, 2025

Good stuff with the right application. Read more

★★★★★

Easy to use

LunaNovember 8, 2025

I used this to fix a kitchen sink faucet handle, the gear stripped and would free spin. The instructions were clear, I used the cardboard Amazon box to mix the 2 parts, applied it to the gear sticking out of the sink, stuck the handle back on it, and left it overnight. By morning the sink handle worked like new! It's been about a week since applying it and its still holding strong. The shaft sticking out of the sink was metal, and the gear inside the handle was plastic and striped smooth. I was worried it wasn't going to bond well but a week later and its still going. Great product IMO. Read more

★★★★★

Love that JB Weld

K. KellerJuly 2, 2025

I've used JB Weld on so many projects and I am always happy with the results. It's super easy to mix with this syringe dispenser and it cures quickly. It sticks really well and holds as well or better than the original material. I used this to patch a hole in a lawn mower deck, repair many plastic parts that you would normally throw away, and even used it to cement a chipped piece of concrete back into my driveway. It makes permanent repairs that last as long as the item being fixed. Great value to save a broken item. Read more

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