A ground clamp is one of the integral parts of a welding setup. The clamp works as a ground terminal and connects the workpiece with the ground wires. It also helps in holding the workpiece in its position and prevents the user from getting electrocuted. To further understand the ground clamps, come governing factors are explained below.
Amperage capacity: Welding machines have an adjustable range of amperage output. A ground clamp has to sustain this changing current since a higher ampere is good for welding. The ground clamp will hold the current easily and would not cause any restriction to the flow of electrons. Conductivity: The ability of a ground clamp to allow the flow of electricity is called conductivity. Conductivity plays an important role for a ground clamp since it determines the resistance to electrons. Higher conductivity ensures an unrestricted current flow through the clamp, resulting in better welding. Area of contact: A clamp should have a large area of contact since they are used to hold the workpiece. A clamp with more surface area offers a better grip over the workpiece. A larger area of contact also offers better transmission of current to the ground wires. This helps in keeping the welder safe from electric hazards.
All these above-mentioned factors play an important role in the selection of good welding ground clamps. Due to the ever-changing demands of the consumer, the welding accessories market is full of ground clamp options. We have shortlisted some good ground clamps from various brands. These options are explained in detail along with a “Buying Guide” to simplify your selection process.
Best Welding Ground Clamp List
Best Welding Ground Clamp Reviews
1. KINGQ Welding Ground Clamp
Our first product comes from KingQ, a sub-brand of the CW Golden Globe brand. It offers welding accessories and tools developed with innovative technology. The KingQ T-style Welding Ground Clamp has a spring-loaded mechanism. It is made up of brass material which is a good conductor of electricity. The ground clamp is, therefore suitable for connecting with a 300A welding cable. This amperage capacity offers a good ground terminal for the welding circuit. The workpiece can be held between 2 jaws, each being 8-inch long. This provided enough contact area between the clamp and the workpiece. The jaws are provided with teeth that offer a superior grip over the workpiece. The ground clamps can be stretched up to 2-inch to hold a workpiece of the same thickness. Best Features:
Ground clamp loaded with a heavy-duty spring An amperage capacity of 300A 8-inch long jaws with an opening limit of 2-inch Sturdy and rugged construction made up of brass material Adjustable point screw to connect and lock welding cable
Pros:
The ground clamps offer enough contact area for a stable current flow The spring offers a good clamping force for small workpiece This clamp can be used for various types of the welding process, from stick welding to submerged welding
Cons:
It has a low clamping force compared to the C-type clamps
2. Reboot Welding Ground Clamp
Reboot has been involved in the development and production of welding components for over 10 years. It offers a range of reliable products that meet consumer demands The Reboot Mig Welding Ground Clamp is one of the most affordable options on the list. The clamp has a chrome-plated construction to resist corrosion. The jaws are fitted with a copper belt that allows a resistance-free flow of current. As a result, this ground clamp can resist current up to 300A and has provision to extend this capacity up to 800A. This heavy-duty ground clamp is beneficial in gas welding as well as arc welding operations. The jaws are wide enough to offer a large contact area. This helps in creating a stable ground terminal for the workpiece and welding circuit. Best Features:
Chrome-plated ground clamp The amperage capacity of 300A Jaws with a copper belt to connect the ground terminal The compact size of 175mm length
Pros:
The spring offers a good clamping force to secure the workpiece Suitable for gas and arc welding This ground clamp is the most affordable option on the list
Cons:
Connection with the ground wire is permanent and cannot be removed
3. Gimiton Welding Ground Clamp
Gimiton specializes in manufacturing various types of welding accessories. Its product range is developed in a way to simplify the welding process. The products are suitable for light as well as heavy-duty applications. The Gimiton Arc Welding Ground Clamp is one of the heavy-duty options. This ground clamp is made up of a blend of iron and copper. Hence, the clamp is a good conductor and allows a maximum current capacity of 800A. To offer a superior clamping force on the workpiece, a heavy-duty spring is used. The jaws are shaped in a way to accommodate irregular surfaces easily. This design offers more contact area to the workpiece. A copper clip is fitted on the inner surface of the jaws to connect the clamp with the ground terminal. Best Features:
Ground clamp made up of iron-copper construction Maximum amperage capacity of 800A High-tension springs for good clamping force Copper belt to connect ground wires
Pros:
The clamp is suitable for gas weldings and can be used in submerged arc welding too The clamp can withstand high current and helps in creating a good-quality welded joint The ground wire connection can be connected to the external copper strap and removed easily with the help of a nut
Cons:
The jaw design offers less contact area for flat surfaces
4. HZXVOGEN Welding Ground Clamp
HZXVOGEN specializes in producing welding-focused products. It strictly follows the principle of making quality products. By using advanced technologies, it can offer a good product lineup and service. The HZXVOGEN Welding Ground Clamp is another heavy-duty option. This C-type ground clamp has a rigid Brass construction. Due to the good electrical conductivity of this material, the clamp can sustain a current between 300 to 500A. A long adjustable bolt with a flat jaw rotates in the clamp body to give a maximum opening of 2.3-inches. A fixed jaw with teeth offers grip to the workpiece during welding. To connect the clamp with ground wires, three different screw configurations are available. This keeps the ground cable secured to the clamp. A cable connector cover is also provided to offer good insulation against electrical shock. Best Features:
C-type ground clamp made up of Brass material Amperage welding capacity from 300A to 500A Maximum jaw opening of 2.3-inch Triple screw configuration to securely lock the ground cable Adjustable bolt with flat jaw and fixed jaw to hold the workpiece
Pros:
The ground connector is provided with insulation to keep the user away from electrocution Due to the absence of springs, a very strong clamping force can be achieved The ground clamp comes with a 1-year warranty
Cons:
The jaw handle sometimes obstructs the electrode gun movement
5. HITBOX Welding Ground Clamp
Hitbox is a global manufacturer of welding equipment. It has an independent R&D team that develops products by incorporating new technologies. As a result, unmatched quality can be seen in its product range. The Hitbox G Ground Welding Earth Clamp is another C-type option. This ground clamp is made up of a sturdy Brass construction. Due to the excellent article conductivity of Brass, the clamp can be used for a welding circuit of 300A to 500A. It features an adjustable bolt that can be rotated up or down as per the workpiece thickness. A maximum gap of 2.7-inch is achieved between both jaws. On the other hand, teeth on the fixed jaw offer grip over irregular surfaces. To connect the ground wire and clamp, a 3-way screw arrangement is available. This keeps the ground cable locked onto the clamp. The connection point is covered with an insulator cap to avoid electrocution hazards. Best Features:
C-type ground clamp made with Brass material construction An amperage welding capacity from 300A to 500A The maximum gap between both jaws is 2.7-inch Triple screw arrangement to securely lock ground cable Adjustable jaw and fixed jaw to hold the workpiece
Pros:
The adjustable bolt offers clamping force higher than conventional springs Along with arc welding, this ground clamp can be used for submerged welding too This ground clamp comes with a 1-year warranty
Cons:
The jaw handle sometimes obstructs the electrode gun movement
6. RX WELD Welding Ground Clamp
RX Weld manufactures a versatile range of welding accessories. The products offered by this brand have a tough build quality and can be used for heavy-duty applications. The RX Weld T-style Welding Ground Clamp is a plier-type unit. It is made up of brass material which offers excellent conductivity. As a result, this ground clamp can be used with a welding setup of 300A amperage. A spring with good tensile properties is fitted to offer good clamping force. Both jaws measure 8-inch long and offer a larger contact area to the workpiece. The teeth on the jaw tightly grip the workpiece. With a maximum gap of 2-inch, the jaws can easily accommodate a flat workpiece. An adjustable shrew arrangement is fitted on the outer body to connect the ground wire with the clamp. Best Features:
Plier-type ground clamp loaded with a heavy-duty spring An amperage capacity of 300A 8-inch long jaws with an opening limit of 2-inch Compact construction made up of brass material Adjustable screw to connect and lock ground cable
Pros:
The teeth design on jaws offers enough contact area to the workpiece The clamping force offered by the spring is good for small workpiece It is suitable for stick welding, gas welding, and submerged welding
Cons:
It has a low clamping force compared to the C-type clamps
7. Wal front Welding Ground Clamp
Wal Front has a wider range of welding accessories. The product range has a superior quality that enhances the overall welding experience. The Wal Front Ground Clamp is another plier-type unit. It has metallic construction treated with an electroplating process for durability. The electrical conductivity of the clamp helps in withstanding 500A current. The clamping force on the workpiece is provided by a preloaded spring system. The jaws are designed in a way to adapt their grip on irregular surfaces. To establish a connection between the clamp and the ground wire, an external copper strip is provided. The wires can be secured on this strip with the help of a screw. Similarly, a copper belt is also fitted inside to offer ground to the workpiece. Best Features:
Pilier-type ground clamp with preloaded spring Metallic construction with electroplating for added durability The maximum amperage capacity of 500A The inner copper belt for the workpiece ground connection External copper strip for clamp-ground wire connection
Pros:
The compact design of the ground clamp does not obstruct other equipment It is designed to withstand wearing conditions The ground wire connection can be easily connected and disconnected
Cons:
The jaws are not suitable to hold a thick workpiece
8. Tweco Welding Ground Clamp
Tweco is one of the welding accessories manufacturers. It uses innovative designs and good-quality materials for its products. As a result, the demands of consumers are fulfilled. The Tweco 9205-1120 Welding Ground Clamp is a compact unit. This plier-type ground clamp has a metallic construction. Due to the conductivity of the material, this clamp can operate at a maximum amperage rating of 200A. To assist in the clamping of the workpiece, it has a preloaded spring fitted on the inner side. Out of two jaws, the longer jaw has teeth on the inner surface. These teeth grip the workpiece tightly during the welding process. To connect the ground wire with the clamp, a special slot is provided on the outer surface. The ground cable can be fastened in this slot with the help of an adjustable screw. Best Features:
Plier-type ground clamp with metallic construction An amperage capacity of 200A Preloaded spring for clamping force Two jaws with teeth on the inner side Ground cable connection point with adjustable screw
Pros:
This clamp is suitable for gas welding A small workpiece can easily fit in the jaws The compact size does not obstruct other welding equipment
Cons:
The ground clamp is priced higher than other options
9. QWORK Welding Ground Clamp
Qwork is a manufacturer of professional welding equipment. It develops innovative products by using advanced technologies. Apart from this, it also provides welding solutions to enhance consumers’ welding experience. The Qwork Welding Ground Clamp is a plier-type model. The clamp is built from a strong brass construction. The premium quality of the material offers high electrical conductivity. As a result, the clamp can work within an amperage capacity of 500A. The jaws are designed in a way to offer maximum contact area to the workpiece. Both jaws have inner teeth for better grip. A heavy-duty spring is fitted between the clamp handles. This spring is preloaded and offers good clamping force on the workpiece. To connect the ground cable with the clamp, a special slot is provided on the clamp handle. To tightly secure the ground cable, two screws can be used in these slots. Best Features:
Plier-type ground clamp made up of brass A good amperage capacity of 500A Adjustable jaws with teeth for better grip Preloaded spring for good clamping of the workpiece Dual slot to secure the ground cable with a screw
Pros:
The ground clamp is suitable for all types of the welding process Good conductivity of the material results in a good welded joint The ground terminal placement does not hinder the welding process
Cons:
Not suitable for thick workpieces
10. Hynade Welding Ground Clamp
Hynade has been providing high-quality welding equipment to its consumers. The brand can deliver these products at an affordable price tag without compromising performance. The Hynade T-style welding ground has a very unique design. This clamp is made up of high-quality brass material. As a result, the ground clamp can handle a capacitance level of 300A. The inner side of the handle consists of a preloaded spring that offers better clamping power to the workpiece. The clamping force is transferred over the 7-inch length of the clamp. The jaws are designed to offer a larger contact area to the workpiece with a better grip. They offer a gap of 1.18-inch to fit a workpiece of similar thickness. A connector slot is provided on the surface to connect the ground cable with the clamp. The ground cable is secured with the help of an adjustable screw. Best Features:
Plier-type ground clamp made up of brass A maximum amperage capacity of 300A Preloaded spring for clamping Maximum jaw opening of 1.18-inch Ground cable connector slot
Pros:
The sturdy ground clamp can be used with heavy-duty welding setups The adjustable screw helps in locking the ground cable tightly The larger contact area offers a good grounding to the workpiece
Cons:
The jaw design is not suitable for irregular surfaces
Buying Guide For The Best Welding Ground Clamp
Now that we have discussed different options for ground clamps, it is important to discuss some factors. These factors control the performance of a ground clamp. The slightest variation in the clamp’s performance may lead to a weak welding process. To help you understand these factors in depth, we have a buying guide ready. It explores the importance of these factors and helps in minimizing any confusion related to the ground clamps.
1. Conductivity
Conductivity is an important characteristic of a ground clamp. It tells about a clamp’s ability to allow the flow of electric current through it. A conductive ground clamp shows less resistance to electron flow. Hence, the cross-section area of a conductive ground clamp is small. The heating of the clamp occurs when the current flow is restricted. Conductivity helps the ground clamps in resisting this build-up of heat.
2. Clamp Type
The welding ground clamps have different types of designs. The locking action of a ground clamp depends on the type of design. Some of these design styles are explained below:
a. C-Clamp
This type of clamp has a shape resembling the letter C. This is the most common type of clamp found in welding applications. It consists of a fixed jaw and an adjustable jaw fitted onto a long bolt. The bolt is turned to adjust the length between both jaws, thereby locking the workpiece.
b. Spring-loaded Clamp
As the name suggests, this clamp has a spring mechanism. The tensile strength of a spring helps in creating a clamping force. Spring-loaded clamps are used for small workpieces. They offer a quick loading and unloading of small workpieces, thereby reducing the overall welding time.
c. Locking Plier Clamp
This is a simple and compact type of ground clamp. Its design is similar to a grip plier. Its clamping jaws are adjusted by two handles. To further secure the gripping action, an adjustable lock screw is also available. By using a release trigger, the plier clamp instantly releases the locking mechanism and sets the workpiece free.
d. Angle Clamp
These clamps are suitable for the angled surface of the workpiece. The angled ground clamps are available in a 2-axis or a 3-axis configuration. The clamp limits all the axial movement of the workpiece and keeps it positioned with the help of a sliding jaw.
e. Magnet Clamp
Magnetic power is used with the clamps for securing metallic workpieces. The plus point of using magnetic force is the placement of the workpiece. A workpiece can be kept in any type of orientation without needing external clamping. Magnet clamps also offer more access to the workpiece areas without obstructing the welding process.
3. Area Of Contact
When a workpiece is secured with a clamp, there are several contact points between them. A larger contact area of these points creates a better grip over the workpiece. Another advantage of a large area of contact is the better grounding effect. The clamp becomes capable of passing huge levels of electric current from the workpiece to the ground wires. This phenomenon helps in keeping the welder safe from electrocution. A large grounding surface will also result in better weld quality.
4. Clamping Power
Clamping power is the amount of force a clamp can offer to keep the workpiece in its place. This power comes from various parts of a ground clamp like bolts, screws, springs, or even magnetic force. The clamping power must be enough to secure the workpiece without damaging its surface. Some ground clamps come with an arrangement to adjust the clamping power. Springs provide a very minimal clamping force as compared to screws. Therefore for higher clamping forces, an adjustable bolt or screw arrangement is ideal.
5. Material
Material has a very deep impact on a ground clamp’s performance. Factors like conductivity, clamping strength, corrosion resistance, etc are dependent on the material type. The material must be conductive enough to allow current flow and strong enough to sustain clamping force. Various materials are available for the ground clamps. Copper is a good conductor of electricity but it poses a low camping strength. It tends to react with air to form a non-conductive layer. Aluminum offers a good clamping force but it is less conductive than copper. The weatherproof property of aluminum makes it durable against environmental attacks. Chromium-copper is a blend of chrome and copper that possesses all the desirable properties of s grounding clamp.
Conclusion
The Gimiton Welding Ground Clamp offers a higher amperage capacity. This property is important to get a good quality weld. Made up of iron and copper, this clamp has a capacitance of 800A. To ensure proper transfer of current to the workpiece and ground terminal, the clamp jaws offer a large contact area. A heavy-duty spring offers a good clamping force to keep the workplace in its position during welding. The copper belt helps in establishing a good ground terminal between the clamp and workpiece. Our second choice is the Reboot Welding Ground Clamp due to its aggressive pricing. This clamp is durable thanks to the metal construction and chrome plating. The conductivity of the clamp helps in handling a current delivery of 300A. It also has a powerful version where the capacity goes up to 800A. Being a heavy-duty clamp, it is suitable for gas welding, arc welding, and other types of welding. The jaws offer a larger contact area to the workpiece, enhancing the grounding process. These features are available at the most affordable price tag. The HITBOX Welding Ground Clamp is a blend of affordable price and performance. This C-type clamp is made up of brass material. The good conductor material is the reason behind the 300A to 500A amperage capacity of the clamp. Using three slots, a secure connection with the ground cable is achieved. The movable jaw and the fixed jaw offer a 2.7-inch gap for workpiece placement. The absence of spring helps in achieving higher clamping force. The connection point is kept insulated by using a cover to avoid electrocution hazards. All the features are available at a justified price tag. Comment * Name * Email * Website
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