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Henrob self-piercing rivet range

Learn more about our joint development

A-Rivet

Industry applications: automotive industry
Application materials: thinner aluminum alloys
Diameter: 3mm / 5mm
Lengths: 3mm: 3.25mm to 4.5mm / 5mm: 4.5mm to 7mm

A-Rivet pdf

BG-Rivet

Industry applications: automotive, heavy truck and general industry
Application materials: mixed material using ultra-high strength steels with aluminum sheet, casting, and extrusions
Diameter: 5mm
Lengths: 4mm to 7mm

BG-Rivet pdf

C-Rivet

Industry applications: automotive, heavy truck and general industry
Application materials: all-aluminum and mixed material including milder steels up to some grades of high-strength steel
Diameter: 3mm / 5mm
Lengths: 3mm: 3.5mm to 4mm / 5mm: 4mm to 6.5mm

HG-Rivet

Industry applications: General industrial applications
Application materials: all-steel and mixed material including milder steels up to some grades of high-strength steel
Diameter(s): 5mm
Lengths: 5mm to 8mm

J-Rivet

Industry applications: automotive, heavy truck and general industrial applications
Application materials: thinner aluminum alloys
Size(s): 3mm
Lengths: 5mm to 6mm

K-Rivet

Industry applications: automotive, heavy truck and general industrial applications
Application materials: all-aluminum and mixed material including milder steels up to some grades of high-strength steel
Diameter: 5mm
Lengths: 5mm to 14mm

P-Rivet

Industry applications: automotive, heavy truck and general industrial applications
Application materials: all-steel and mixed material including milder steels up to some grades of high-strength steel
Diameter: 3mm / 5mm
Lengths: 3mm: 4mm to 8mm / 5mm: 5mm to 14mm

PG-Rivet

Industry applications: general industrial applications
Application materials: all-steel and mixed material including milder steels up to high-strength steel
Diameter(s): 5mm
Lengths: 5mm to 8mm

R-Rivet

Industry applications: general industrial applications
Application materials: all-steel and mixed material including milder steels up to some grades of high-strength steel
Diameter: 3mm
Lengths: 3mm: 5mm to 8mm

T-Rivet

Industry applications: automotive
Application materials: aluminum alloys with higher-yield, lower ductility
Diameter: 5mm
Lengths: 6.5mm to 14mm

T-Rivet pdf

Self-piercing stud

Industry applications: automotive
Application materials: aluminum alloys with high ductility
Diameter: 5mm
Lengths: 7mm to 14mm

Self-piercing stud pdf

Complete rivet manufacturing controlled in-house from forging to packaging

Rivet head styles

Henrob rivet head styles

Head styles

  • Countersunk: head side of the joint is flush with top material surface
  • Flat, Pan, Dome: Provide good strength. especially in plastics or thin sheet metals; allow good head seating, especially when riveting thick or very hard materials; accentuate aesthetics of a riveted joint
  • Not all head styles are available on all rivets -- please contact our experts for more information

Rivet coatings

Henrob rivet coating process
  • Rivet coating is a fundamental part of the riveting process and needs careful consideration before a selection is made. We make coatings that are qualified by our customers.
  • Standard coatings are used in the majority of applications to protect self-piercing rivets when applied to steel, aluminum or other products. Mechanical plating provides a galvanic barrier between the steel rivet and aluminum panel preventing corrosion between the two materials. Coating types are typically zinc/tin or zinc/tin/aluminum (AlmacTM).
  • New coatings, compatible with an increasing number of applications and environmental conditions, are being researched as part of customer-specified programs.

Materials for riveting

Materials used in self-pierce riveting
  • Standard Rivet Material: Special grades of steel wire - forged, hardened and tempered to provide optimum joint properties in the full range of application materials.
  • Special Rivet Materials: 
    • Austenitic stainless steel - used for joining ductile stainless steel sheets. 
    • Martensitic stainless steel - for tougher materials that cannot be joined with austenitic stainless steel rivets.
  • Rivet Hardness: Rivets are produced in a range of hardness levels to match the piercing requirement for different material grades. We work closely with our customers to establish the correct rivet hardness and geometry for the application.

Packaging

Henrob rivets and packaging
  • Loose rivets are supplied in flexible plastic packaging either in bottles that fit our loose rivet feeder or in bags. All batches are bar-coded and fully traceable, and there are poka-yoke options for bottles to ensure the wrong rivets are not used in your process.
  • Cassettes are used with our tape feed systems for manual applications where maximum mobility or rotation of the rivet setter is required. Cassettes hold from 200 to 800 rivets.
  • Spools are used with our tape feed systems that hold from 4,000 to 10,000 rivets, depending on the size of the rivet, and are used on manual, automated or robotic tools. Re-usable plastic spools are available for applications where a return loop permits economic recycling and refill. There is a poka-yoke option where the center hub is configured with a mechanical key to prevent incorrect rivets from being loaded to a tool.