Half Hex Rivet Nuts
Rivmate offers both standard and customized half-hex rivet nuts. They provide excellent anti-rotation performance after installation, creating a stable internal threaded connection. With manageable costs, they are ideally suited for medium-strength industrial fastening applications.
- Semi-hexagonal body design reduces the risk of rotation during tightening.
- Controllable costs help lower overall procurement expenses.
- Suitable for electrical cabinets, HVAC panels, and machinery access covers.
Why Choose Our half hex rivet nuts
- Improved anti-rotation performance
- More stable than round-body rivet nuts
- More cost-effective than full-hex rivet nuts
- Suitable for joining thin plates and hollow structures
Rivmate —— Your Professional Customized Half Hex Rivet Nuts Manufacturer
As a half-hex rivet nuts professional manufacturer and supplier, Rivmate offers both standard and customized products. We can manufacture parts based on customer specifications, samples, or drawings. Customization options cover materials, dimensions, structural design, head styles, surface finishes, and packaging methods.
If you have not yet finalized your fastening solution, simply provide us with details regarding the application environment, as well as the material type and thickness of the sheets involved. Our team of expert engineers offers personalized, one-on-one consultation to develop a tailored fastening solution, helping you avoid issues during product selection and subsequent installation.
Classified by Material
Rivmate offers half-hex rivet nuts made of carbon steel and stainless steel. Customers can choose the appropriate option based on the required strength, corrosion resistance, and installation environment.
Carbon Steel Half Hex Rivet Nut
Carbon Steel Half Hex Rivet Nuts are suitable for applications that require mechanical strength, cost-effective bulk purchasing, and reliable industrial assembly. Carbon steel is the more cost-effective option.
Stainless Steel Half Hex Rivet Nut
Stainless steel Half Hex Rivet Nuts suited for projects with higher requirements for corrosion resistance, long service life, for outdoor environments. They are in industrial assembly applications where rust prevention is critical.
Classified by size
Rivmate offers common metric sizes, including M3, M4, M5, M6, M8, M10, and M12. Customers can select the appropriate size based on clamping range, hole diameter, tightening torque, and application environment.
M3 Half Hex Rivet Nut
The grip range for this size is 0.5–2.5 mm. It is suitable for precision assembly applications with limited space, small connection points, and low load requirements.
M8 Half Hex Rivet Nut
The grip range for this size is 1.0–5.5 mm. It is suitable for industrial applications such as equipment housings and structural support components that require higher load-bearing capacity and higher torque.
M4 Half Hex Rivet Nut
The grip range for this size is 0.5–4.0mm. It is suitable for lightweight connections and provides a stable internal thread while maintaining a low-profile appearance.
M10 Half Hex Rivet Nut
The grip range for this size is 1.0–6.0 mm. It is suitable for large-scale equipment, heavy-duty sheet metal structures, and other applications requiring larger bolt connections and higher-strength assemblies.
M5 Half Hex Rivet Nut
The grip range for this size is 0.5–4.0 mm. It has a wide range of applications and is suitable for most medium-strength industrial sheet metal assembly needs.
M12 Half Hex Rivet Nut
The grip range for this size is 1.0–8.0mm. It is suitable for high-strength fastening applications; the appropriate model should be selected based on the actual board thickness, hole diameter, and installation conditions.
M6 Half Hex Rivet Nut
The grip range for this size is 0.5–5.0 mm. It provides stronger threaded connections and is suitable for applications requiring higher assembly strength.
Classified by Bottom Structure
Rivmate offers both open-end and closed-end designs. Customers should select the appropriate end design based on the application’s requirements for general threaded fastening, dust protection, moisture protection, or sealing performance.
Open End Half Hex Rivet Nut
The Open End Half Hex Rivet Nut features an open bottom design, making it suitable for general industrial sheet metal assembly and standard threaded connections.
Closed End Half Hex Rivet Nut
The Closed End Half Hex Rivet Nut has a closed bottom design, which effectively helps prevent dust, liquids, oil, or other contaminants from entering through the bottom of the thread.
Classified by head shape
Rivmate offers flat-head and reduced head half hex rivet. Customers can choose different head types based on the installation surface, load requirements, and assembly space.
Flat Head Half Hex Rivet Nut
The Flat Head Half Hex Rivet Nut provides stable support surface after installation, helping to distribute clamping force across surface panel. It is suitable for industrial assembly applications such as electrical cabinets and mechanical enclosures.
Reduced Head Half Hex Rivet Nut
The Reduced Head Half Hex Rivet Nut has a smaller diameter than the standard flat-head design, reducing the exposed area after installation. It is suitable for assemblies with limited space or requiring a clean appearance.
| Material | Product Type | End Type | Thread Range | Grip Range | Hole Size | A | D | DK | K | L | Part No. Prefix |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Carbon Steel | Flat Head Half Hex Body | Open End | M3–M12 | 0.50–8.00 | 5.00–16.00 | 5.50–16.50 | 4.90–15.90 | 8.00–23.00 | 0.75–2.20 | 9.00–30.50 | SFHHM / SFIHHM |
| Carbon Steel | Flat Head Half Hex Body | Closed End | M4–M12 | 0.50–7.00 | 6.00–16.00 | 11.50–27.00 | 5.90–15.90 | 9.00–23.00 | 0.80–2.00 | 16.00–37.00 | SFIHHFM |
| Carbon Steel | Reduced Head Half Hex Body | Open End | M3–M12 | 0.50–7.00 | 5.00–16.00 | 5.50–14.80 | 4.90–15.90 | 6.00–17.50 | 0.50–1.00 | 8.50–28.00 | SRHHM |
| Carbon Steel | Reduced Head Half Hex Body | Closed End | M4–M12 | 0.50–7.00 | 6.00–16.00 | 11.50–23.20 | 5.90–15.90 | 7.00–17.50 | 0.60–1.00 | 15.50–35.00 | SRHHFM |
| Stainless Steel 304/316 | Flat Head Half Hex Body | Open End | M3–M12 | 0.50–8.00 | 5.00–16.00 | 5.00–16.00 | 4.90–15.90 | 7.00–23.00 | 0.80–2.00 | 9.00–30.00 | BFHHM |
| Stainless Steel 304/316 | Flat Head Half Hex Body | Closed End | M4–M12 | 0.50–6.00 | 6.00–16.00 | 11.50–25.00 | 5.90–15.90 | 9.00–23.00 | 1.00–2.00 | 16.00–35.50 | BFHHFM |
| Stainless Steel 304/316 | Reduced Head Half Hex Body | Open End | M3–M12 | 0.50–6.00 | 5.00–16.00 | 5.20–14.80 | 4.90–15.90 | 6.00–17.50 | 0.50–0.80 | 9.00–27.00 | BRHHM |
| Stainless Steel 304/316 | Reduced Head Half Hex Body | Closed End | M3–M12 | 0.50–6.00 | 5.00–16.00 | 8.50–23.20 | 4.90–15.90 | 6.00–17.50 | 0.50–0.75 | 13.00–33.00 | BRHHFM |
| Carbon Steel | Flat Head Half Hex Body — US Type | Open End | M4–M10 | 0.50–7.90 | 6.35–12.70 | 5.80–11.20 | 6.25–12.60 | 9.60–16.60 | 0.70–0.90 | 10.50–22.50 | SFHHM |
| Carbon Steel | Flat Head Half Hex Body — US Type | Open End | 6-32UNC–3/8-16UNC | .020–.312 | .250–.500 | .228–.441 | .246–.496 | .378–.655 | .027–.035 | .413–.886 | SFHH |
| Stainless Steel 304/316 | Flat Head Half Hex Body — US Type | Open End | M4–M10 | 0.50–7.90 | 6.35–12.70 | 5.80–11.20 | 6.25–12.60 | 9.60–16.60 | 0.70–0.90 | 10.50–22.50 | BFHHM |
| Stainless Steel 304/316 | Flat Head Half Hex Body — US Type | Open End | 6-32UNC–3/8-16UNC | .020–.312 | .250–.500 | .228–.441 | .246–.496 | .378–.655 | .027–.035 | .413–.886 | BFHH |
| Carbon Steel | Reduced Head Half Hex Body — UK Type | Open End | M4–M10 | 0.50–4.00 | 6.40–12.80 | 6.50–11.30 | 6.25–12.65 | 7.25–14.00 | 0.50–0.70 | 10.50–21.00 | SRHHM |
| Carbon Steel | Flat Head Half Hex Body — UK Type | Open End | M4–M10 / 3/8-16 / 5/16-18 | 0.50–4.00 | 6.40–12.80 | 6.50–12.30 | 6.25–12.65 | 9.50–16.60 | 0.60–1.20 | 10.50–20.50 | SFHHM / SFHH |
Steps of Rivet Nut Installation
- Insert the rivet nut into the pre-drilled hole, ensuring that the head of the rivet nut is flush with the surface of the workpiece.
- Screw the pull rod of the rivet nut gun into the internal threads of the rivet nut, and hold the tool vertically.
- Activate the rivet nut gun and pull the rod to expand and deform the tail end of the rivet nut, clamping it securely to the workpiece.
- Once riveting is complete, retract the rod in the opposite direction. Check that the rivet nut is secure and confirm that the head is flush with the surface.
Half Hex Rivet Nuts Manufacturing You Can Trust
As a professional manufacturer and supplier of half-hex rivet nuts, Rivmate offers factory-direct supply. We employ a 13-step inspection process covering every stage, from raw material selection to final packaging. We strictly ensure product quality and provide our customers with a stable supply chain.
- 99.9% pass rate
- Direct manufacturer with ample stock and rapid shipping
- Extensive experience in overseas trade
By choosing Rivmate, you gain more than just half-hex rivet nuts; you also secure consistent, long-term product quality.
Surface Finishes for Half Hex Rivet Nuts
If your riveting application requires specific standards regarding appearance, corrosion resistance, smooth threaded assembly, and long-term stability, Rivmate can provide the appropriate surface treatment. Our surface treatment options include zinc plating, yellow zinc plating, black zinc/black finish, plain stainless steel, passivation, and customized finishes.
- Ensures consistent appearance
- Provides superior corrosion resistance
- Wide range of surface treatment options available
If you require a custom surface finish, please provide details regarding the material, surface treatment specifications, salt spray test requirements, application environment, quantity, and drawings. Rivmate can recommend the appropriate surface treatment solution based on your specific assembly scenario.
Applications of half hex rivet nuts
The half-hex rivet nut combines anti-rotation properties with cost-effectiveness. It is suitable for reusable internal threads and sheet metal assemblies requiring stable single-sided installation.
Electrical Cabinet Door Panels and Internal Mounting Plates
The sheet metal used for electrical and control cabinets is relatively thin. Components such as door locks, DIN rails, and internal brackets require stable threaded mounting points. Compared to standard round-body rivet nuts, half-hex rivet nuts prevent the nut from spinning within the mounting hole.
HVAC Equipment Access Panels
HVAC equipment often features sheet-metal construction and requires periodic opening for maintenance. Half-hex rivet nuts allow for single-sided installation without the need for welding. They are highly resistant to spinning during bolt tightening, making them ideal for equipment panels that require repeated removal and reinstallation.
Automotive Sheet Metal Brackets
Automotive sheet metal brackets are frequently subject to vibration during use, requiring stable threaded connections. Half-hex rivet nuts not only provide stable threaded connections but also offer a cost advantage over full-hex rivet nuts.
Powder-coated and spray-painted sheet metal parts
Using weld nuts on sheet metal parts intended for powder coating or painting often leads to damage to the coating; half-hex rivet nuts avoid the heat-affected zone associated with welding.
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What drilling size is required for an M8 half hex rivet nut?
The reference hole size for an M8 half-hex rivet nut is approximately 11.0–11.1 mm, with a common tolerance of +0.1 mm.
Half-hex rivet nuts should be used with half-hex or hex holes. Different head types and wall thicknesses affect the hole size requirements.
What factors affect the pull-out strength of a half hex rivet nut?
The pull-out strength of a half-hex rivet nut is affected by the strength and thickness of the sheet metal, the riveting area, and the size of the mounting holes.
In addition, the material of the rivet nut, its head design, and the quality of installation also affect the pull-out strength of the half-hex rivet nut.
What are the best practices for inspecting installed half-hex rivet nuts to ensure long-term reliability?
First, you need to check whether the head of the rivet nut sits flush against the surface of the sheet material.
Next, verify the smoothness of the threads, checking for issues such as binding, stripped threads, excessive tightness, or noticeable looseness.
Finally, conduct sample tests for anti-rotation and pull-out resistance.
How do half hex rivet nuts perform in vibration-prone environments?
In vibration-prone environments, half-hex rivet nuts offer superior rotation resistance compared to standard round-body rivet nuts. However, their stability is influenced by several factors.
During installation, you must verify that the hole matches, the grip range is correct, the sheet material has sufficient strength, and the installation force is consistent.
Where to find bulk pricing for stainless steel half hex rivet nuts?
You can obtain price quotes directly from manufacturers or suppliers of half-hex rivet nuts. These factory-direct products come in a full range of specifications with guaranteed quality and batch traceability.
To receive a quick quote, please provide the supplier with detailed specifications or technical drawings of the half-hex rivet nuts.
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Half Hex Rivet Nuts Drawing
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what are half hex rivet nuts
Half-hex rivet nuts feature a body with a semi-hexagonal profile. They are designed for installation into pre-punched hexagonal holes; the semi-hexagonal shape creates a mechanical interlock with the hole, preventing the nut from spinning during bolt tightening or removal.
Compared to full-hex rivet nuts, half-hex rivet nuts effectively prevent spinning while offering a cost-effective solution. They are suitable for medium-strength fastening applications.
Detailed Comparison: Half Hex vs. Full Hex Rivet Nuts
| Comparison Item | Half Hex Rivet Nuts | Full Hex Rivet Nuts |
|---|---|---|
| Body Structure | Partially hexagonal body | Full hexagonal body |
| Anti-Rotation Performance | Better than standard round body rivet nuts | Stronger anti-rotation performance |
| Installation Hole Requirement | Requires a matched half-hex or hex hole | Requires a matched full hex hole |
| Tightening Torque Suitability | Suitable for medium-torque connections | Suitable for higher-torque connections |
| Installation Complexity | Relatively easier to control | Requires higher precision in hole shape and size |
| Cost Performance | More balanced cost, suitable for bulk purchasing | Usually higher cost |
| Suitable Applications | Electrical cabinets, HVAC panels, machinery maintenance covers, general sheet metal brackets | Automotive structural parts, heavy-duty equipment, high-vibration connection points, high-torque assembly positions |
| Purchasing Recommendation | Suitable for projects that need better stability than round body rivet nuts but do not require the highest anti-rotation strength | Suitable for projects with higher requirements for anti-rotation performance and connection strength |
Recommended half hex rivet nuts for electrical enclosures
- Cabinet side panels and bracket mounting points: Flat Head Half Hex Rivet Nuts
- Door panels and visible surfaces: Reduced Head Half Hex Rivet Nuts
- Standard internal brackets and DIN rails: Open End Half Hex Rivet Nuts
- Outdoor cabinets and humid environments: Closed End Half Hex Rivet Nuts
- Indoor electrical cabinets: Zinc-plated carbon steel Half Hex Rivet Nuts
- Outdoor electrical enclosures: Stainless steel Half Hex Rivet Nuts
How to get a quick quote from half-hex rivet nut manufacturers
You need to provide the following details to the supplier:
- Thread specifications
- Material thickness or grip range
- Material requirements
- Head style/configuration
- Bottom structure/configuration
- Surface treatment requirements
- Purchase quantity
- Drawings, samples, or existing specification sheets
- Packaging requirements
- Application scenario