Stainless Steel Snap Head Rivet - Grade 202, 304, 316, A2, A2-70
A Snap Head Rivet, also known as a Round Head Rivet, is one of the most traditional and widely used types of solid rivets. It features a semi-spherical head and a cylindrical shank. Designed for permanent mechanical fastening, it is typically used in applications where high strength and durability are critical.
Technical Specifications – Snap Head Rivet
Here is the technical specification for a standard Snap Head Rivet, based on common engineering standards like IS 2155 (Indian Standard) and BS/ISO norms:
| Feature | Details
|
| Parameter | Description |
| Rivet Type | Solid Rivet – Snap Head (Round Head) |
| Head Shape | Hemispherical (Dome-shaped) |
| Standard | IS 2155, IS 2907, BS 4620, ISO 1051 |
| Material | Mild Steel, Stainless Steel, Brass, Copper, Aluminium |
| Tensile Strength | Up to 400–600 MPa (depends on material) |
| Shear Strength | Approx. 75–85% of tensile strength |
| Shank Diameter (d) | 1.5 mm to 36 mm (standard range) |
| Head Diameter (D) | 1.6 × d (typically) |
| Head Height (k) | 0.7 × d (approximately) |
| Length Range (L) | 5 mm to 200 mm (as required) |
| Finish | Plain, Zinc-plated, Black Oxide, Hot-dip galvanized |
| Hardness | 90–200 HB (varies by material) |
| Usage Temperature | Typically –50°C to +300°C (material-dependent) |
| Installation Method | Hammering, Pneumatic riveting tool, Hydraulic riveting tool |
| Material Grades (Common) | |
| Material | Typical Grade
|
| Mild Steel | IS 2062 / SAE 1010 |
| Stainless Steel | AISI 304 / 316 |
| Brass | IS 319 |
| Aluminium | 6061 / 5052 |
| Copper | ETP Grade |
| Dimensional Example for M6 Snap Head Rivet: | |
| Parameter | Value (Approx.) |
| Shank Dia (d) | 6 mm |
| Head Dia (D) | 9.6 mm |
| Head Height (k) | 4.2 mm |
| Length (L) | 12–100 mm (varies) |
- Drill aligned holes through the components
- Insert the rivet—with its head seated on one side
- Support the rivet head on a tool or anvil (a “rivet snap”)
- Use a hammer or rivet gun to deform the tail and form a second head
- Result: a permanent, tightly clamped joint due to tail deformation and shank expansion
- Head diameter ~ 1.6 × shank diameter
- Head height ~ 0.7 × diameter
- Offer high shear and tensile strength
- Provide a reliable, permanent joint
- Suitable for thick materials that require structural rigidity
- Easy to inspect visually after installation
- Requires access to both sides of the assembly
- Installation demands skill and proper tooling (snap anvils and hammers/guns)
- Less suited for aesthetic or flush surface-critical applications
- Snap head rivets are a type of solid rivet with round heads and strong mechanical performance.
- They’re ideal for structural joinery and heavy-duty engineering contexts.
A snap head rivet (or cup head rivet) is a type of solid rivet featuring a round, slightly domed head and flat top. It’s installed through aligned holes in materials, and the tail is deformed or “snapped” to form a second head, clamping the parts securely.
Head Shape
Dome Shaped
Shear Strength
Approx. 75–85%
Temperature
Typically –50°C to +300°C
Hardness
90–200 HB
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