Lincoln Electric is not only popular for blameless welding machines, but also popular for many good welding accessories. On this page, I am going to write about a 300A ground clamp that is produced by the popular Lincoln Electric brand.
To find out the hidden truth about Lincoln Electric K910-1, please keep reading Lincoln Electric Ground Clamp Review. I will try to give you accurate information on this product. I have collected information from many sources to write the Lincoln Electric Heavy Duty Ground Clamp review.
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Material and Size
The heavy-duty ground clamp is made of copper material. Therefore, you should not question about its solidity or the sturdiness. You can find a combination of many things that are responsible to make this tool solid and comfortable. First, the brand that made this product. We know the high popularity of Lincoln Electric as a welding machine brand. Second, it is made of solid copper material. Third, it is made in a good size that measures 4.38 x 1.38 x 9.75 inches. Lastly, the welder clamp comes with squeeze spring adjustments.
Easy to Use
Lincoln Electric Ground Clamp is easy to use because the strong spring securely holds jaws to the table. Additionally, the easy-to-use tool is very powerful because it has 300 Amp rated capacity 60% duty cycle.
The welding clamp is easy to use because the jaws opening size is 2.5 inches. The users just have to deploy it over the work and it starts working very securely. The direct welding cable attachment to the clamp makes it more comfortable at the workplace.
Highlights of Lincoln Electric Ground Clamp
- Lincoln Electric famous manufacturer
- 1-pound weight
- Made in the USA
- 1.38 x 1.38 x 9.75 inches size
- Copper material
- 300 Amp capacity
- 2.5 inches jaws opening size
- Supported with heavy-duty spring
- Avoids nut-bolt tightening
- Braided copper shunt
- K910-1 model number
- Positively rated on Amazon
Highlights of the Lincoln Electric ground clamp are mentioned above. The list of highlights and features may be very helpful to those who want to buy one. Therefore, if you are a future buyer of Lincoln Electric K910-1, please read each point mentioned in the list of highlights.

Pros
- For many, it is a wonderful welder clamp for the positive grounding.
- With the help of this solid clamp, the welding quality improves.
- It is very strong as people say that the welding clamp is 100 times bigger and stronger than others.
- A heavy-duty clamp
- The installation is very easy.
- Good value for the money
Cons
- Some users had to make a little changes to open up contact lead hole.
Conclusion
In short, the Lincoln Electric K910-1 ground clamp is a heavy-duty product. It has received positive reviews on Amazon so it is highly recommended to buy. It comes at a good price because many reviewers at Amazon say that it is the best value for the money. Most importantly, this product is from Lincoln Electric, which is already a popular brand name for many industrial machines and tools.
Lincoln Electric K910-2 Heavy Duty Ground Clamp - 500 Amp Rating - Copper Plated Jaw - Braided Copper Shunt, Silver
Product DescriptionHeavy duty work clamp with squeeze spring adjustments
Rated 500 amps
Sold in each
Unit count: 1.0
Product DetailsBrand: | Lincoln Electric |
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Model #: | K910-2 |
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Color: | Silver |
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Dimensions: | 4.25 X 1.63 X 9.5 inches (Length X Width X Height) |
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Price: | $42.09 |
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Lincoln Electric K910-2 Heavy Duty Ground Clamp - 500 Amp Rating - Copper Plated Jaw - Braided Copper Shunt, Silver
NSi Industries G-2-SDB-SB Heavy Duty Direct Burial Bronze Ground Clamp for 1.25"-2" Pipe, Silicon Bronze Hardware
Product DescriptionUL Listed for direct Burial in earth or concrete
cULus Listed 467 grounding and bonding
Pipe Size (IPS) is 1-1/4" to 2"ground wire range is 10 SOL - 2 Str
Country of origin: India
Product DetailsBrand: | NSI |
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Model #: | G-2-SDB-SB |
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Size: | Ohm |
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Color: | Pounds |
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Dimensions: | 3.6 X 0.75 X 1.69 Inches (Length X Width X Height) |
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Price: | $7.87 |
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NSi Industries G-2-SDB-SB Heavy Duty Direct Burial Bronze Ground Clamp for 1.25"-2" Pipe, Silicon Bronze Hardware
Morris Products Heavy Duty Ground Clamp For Connecting Grounding Conductor to Water Pipes, Copper Tubing, Rebar, Ground Rods 1/2-1 Water Pipe, Ground Rod Range, 8-4/0 Wire Range, (91610)
Product DescriptionMULTIPLE PURPOSE: These heavy-duty ground clamps are utilized to connect grounding conductors to water pipes, copper tubing, ground rods or rebar. Utilize for commercial, industrial, agricultural or residential applications.
HIGH-QUALITY CONSTRUCTION: This ground clamp is made from high-strength, high-conductivity copper for durability.
MAXIMUM STRENGTH: Equipped with stainless steel set screws, this heavy-duty ground clamp accommodates #8 through 4/- ground conductors and can handle just about any size of ground wire for a variety of applications.
SAFETY APPROVED: Each ground clamp is UL 467 listed for direct burial in Earth or concrete, as well as grounding bonding applications.
COLLECTION OF COMPREHENSIVE ELECTRICAL TOOLS: Morris Products is proud to feature a variety of electrical tools and applications that range from wire connectors and non-insulated ferrule to nylon cable ties and cable splicers.
Product DetailsBrand: | Morris |
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Model #: | 91610 |
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Size: | 1-Pack |
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Color: | Rose Gold |
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Price: | $18.00 (Save 5%) |
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Morris Products Heavy Duty Ground Clamp For Connecting Grounding Conductor to Water Pipes, Copper Tubing, Rebar, Ground Rods 1/2-1 Water Pipe, Ground Rod Range, 8-4/0 Wire Range, (91610)
COREX 1/2" to 1" Bronze Water Pipe Ground Clamp - High Conductivity Grounding Clamp Conduit Fitting - 10 Pack
Product DescriptionPipe Range: 1/2" thru 1"
Bronze
Wire Range: #10 thru #6
UL Listed
Industry Standard.
Product DetailsBrand: | COREX |
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Model #: | C11 |
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Size: | 1/2"-1" |
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Color: | 1/2" - 1" |
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Dimensions: | 1 X 1.5 X 6 inches (Length X Width X Height) |
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Price: | $33.50 |
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COREX 1/2" to 1" Bronze Water Pipe Ground Clamp - High Conductivity Grounding Clamp Conduit Fitting - 10 Pack
Vaphy 300-Amp T-Style Welding Ground Clamp Brass
Product Description7 inch long with 1-3/4 inch jaw opening.
Welding Ground Clamp Capacitance: 300 Amp.
Made of high-quality brass material, which is sturdy and durable.
Large surface area provides good cable connections and positive grounding.
Great for most grounding situations.
Product DetailsBrand: | Vaphy |
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Model #: | 300-Amp Clamp |
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Color: | Golden |
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Price: | $18.80 |
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Vaphy 300-Amp T-Style Welding Ground Clamp Brass
SIGMA ENGINEERED SOLUTIONS ProConnex 41309 Ground Clamp 1/2" - 1"
Product DescriptionConnects bare wire to copper or steel water pipe or tubing
For pipe or copper rod sizes 1/2-in thru 1-in, wire range #10 - #2, and rebar range 5/8-in thru 3/4-in
Copper alloy construction with zinc-plated steel screws
Product is UL and CSA listed
Product DetailsBrand: | Sigma Engineered Solutions |
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Model #: | 41309 |
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Warranty: | Warranty |
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Size: | 1 Count (Pack of 1) |
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Color: | Bar |
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Dimensions: | 2.56 X 2.28 X 0.65 inches (Length X Width X Height) |
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Price: | $5.26 |
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SIGMA ENGINEERED SOLUTIONS ProConnex 41309 Ground Clamp 1/2" - 1"
OHLECTRIC Heavy Duty Non-Direct Burial Copper Ground Clamp for 1-1/4” - 2” Pipe Range | High Conductivity Ground Pipe Clamp | Supports 2-10" Wire Range | OL-38714

$15.99
@ Amazon.com (Save 11%)
Product DescriptionPremium Quality Materials: Our ground pipe clamps are made from high-quality copper alloy for unmatched strength, flexibility, and longevity, supporting a wire range of 2-10” for superior conductivity.
Corrosion-Resistant: Zinc-plated steel alloy screws ensure resistance to rust and corrosion, making these clamps a reliable choice for indirect burial and outdoor use, offering long-lasting durability.
Versatile Applications: Perfect for securely mounting pipes on walls or clamping pipes to grounding electrodes, these versatile clamps are ideal for a wide range of electrical grounding and installation needs.
Adaptable Fit: These clamps fit screw thread ranges of 5/16 - 18” and pipe sizes from 1-1/4 - 2”, offering multiple options to ensure a perfect fit for different electrical installations and grounding needs.
Certified Safety Standards: cULus approved for safety, these clamps meet all necessary regulatory standards, ensuring secure, reliable grounding connections and peace of mind during installation and use.
Product DetailsBrand: | OHLECTRIC |
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Model #: | Pipe Clamp |
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Size: | 1-1/4” - 2” |
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Color: | Gold |
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Dimensions: | 2 X 3 X 2 inches (Length X Width X Height) |
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Price: | $15.99 (Save 11%) |
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OHLECTRIC Heavy Duty Non-Direct Burial Copper Ground Clamp for 1-1/4” - 2” Pipe Range | High Conductivity Ground Pipe Clamp | Supports 2-10" Wire Range | OL-38714
Feekoon 3 Pcs Ground Clamp 1/2-1 Conduit Fitting, Copper Alloy Wire Clamp Conduit Fitting, for Bonding Ground Wire to Water Pipe or Steel
Product DescriptionPackage Includes: You will receive 3 pieces of ground clamps, each ground clamp is equipped with screws for fixing. Our water pipe ground clamp will help you pass the electrical inspection
Applicable Size: The ground rod clamp is suitable for pipe or copper rod sizes 1/2" thru 1", and wire range is #10 - #2. Our ground pipe clamps meet industry standards, which can help you save time in selecting the ground clamp
Quality Material: The ground clamp is made of quality copper alloy material, which provides excellent conductivity and corrosion resistance. Meanwhile, these bronze ground clamps are not easy to break, and you can tighten it to the appropriate tightness (do not over tighten, as this may damage the pipe or conduit)
How to Install: Select a clean, dry spot on the water pipe or steel conduit, place the ground pipe clamp around the water pipe or steel conduit at the chosen location, insert the ground wire and secure the clamp (The pipes to be used must be bare metal pipes, painted metal pipes are not applicable. Pipes made of other materials are not applicable)
Safety: The ground pipe clamp provides a secure connection between the ground wire and the water pipe or steel conduit, helping to dissipate electrical faults and prevent electric shock
Product DetailsBrand: | Feekoon |
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Model #: | DC-Feekoon-0724 |
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Color: | Gold |
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Price: | $15.99 ($5.33 / Count) (Save 6%) |
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Feekoon 3 Pcs Ground Clamp 1/2-1 Conduit Fitting, Copper Alloy Wire Clamp Conduit Fitting, for Bonding Ground Wire to Water Pipe or Steel
QWORK Welding Bronze Ground Clamp, 1.6 Pounds and 500A, 1 piece
Product DescriptionStrong and Durable: Made of premium brass with good conductivity, oxidation resistance and long service life.
Wide Application: Ideal for various types of welding equipment, such as argon arc welding, submerged arc welding, resistance welding and stud welding.
Heavy-Duty Use: With the weight of 1.6 pounds, it can be applied for heavy-duty use.
Package Content: Include 1 piece.
Product DetailsBrand: | QWORK |
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Model #: | WD4592 |
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Size: | 1 pc |
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Color: | Bronze |
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Dimensions: | 6.5 X 1.3 X 2.7 Inches (Length X Width X Height) |
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Price: | $25.97 |
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QWORK Welding Bronze Ground Clamp, 1.6 Pounds and 500A, 1 piece
BELOMI Car Welding Ground Clamp, 500A Electroplated Vehicle Welding Earth Clip for Manual Welder, Heavy Duty Welding Soldering Grounding Clamp, Universal Automotive Accessories
Product DescriptionPremium Material: This welded grounding clamp is made of iron. Iron has high strength and hardness and is able to withstand high mechanical stress. Iron grounding clamps ensure stable current transmission and maintain their structural integrity and stability. Iron has good durability, which allows the welding earth clamp to maintain its good performance and appearance during use.
Strong Spring: This welding ground clamp clamps the ground wire tightly to the surface of the workpiece, thus ensuring that current can flow safely through the ground wire. It has a strong spring that provides excellent clamping force and a superior electrical connection. The welding ground clamp ensures good contact between the ground wire and the workpiece, thus maintaining current stability and consistency.
Widely Used: With a length of 6.77 inches, a front jaw height of 0.83 inches, a tension opening size of 1.77 inches, a rear jaw height of 3.42 inches and a current rating of 500A, this welding grounding clamp is an ideal replacement part for manual welders with consistent performance. Multi-functional welding grounding clips manual cable welder alligator clips are suitable for different grounding situations such as MIG/MMA/TIG/ARC/ plasma cutter applications.
Easy Installation: This welding grounding clamp is designed to be labor-saving and easy to operate. This grounding clamp adopts an optimized mechanical structure when clamping objects, which makes it possible to feel a significant labor-saving effect during operation and can effectively reduce arm and wrist fatigue, thus enhancing work efficiency. In addition, the locking device on the front of the clamp effectively prevents the clamp from sliding during use.
Ergonomic Handle: The welding grounding clamp adopts an ergonomic handle design, which not only provides a more natural and smooth feel during operation, but also enhances the comfort and convenience of use. In addition, it has good non-slip performance, which can reduce fatigue when using, thus enhancing the safety of use.
Product DetailsBrand: | BELOMI |
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Model #: | BELOMI-Number |
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Warranty: | 0.2 |
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Color: | Silver/Black |
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Dimensions: | 6.77 X 3.42 X 0.83 inches (Length X Width X Height) |
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Price: | $4.99 |
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BELOMI Car Welding Ground Clamp, 500A Electroplated Vehicle Welding Earth Clip for Manual Welder, Heavy Duty Welding Soldering Grounding Clamp, Universal Automotive Accessories