RIVNUT®

Blind rivet nuts and studs

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Fastening technology for sheet metals and plastic materials

RIVNUT® blind rivet nuts and RIVSTUD® blind rivet studs are the most versatile solution for fastening high-strength nut or bolt threads to components when tapped threads are not possible due to small wall thicknesses.

Characteristics

Blind rivet nuts

For internal and external threads of components with small wall thicknesses, Böllhoff offers RIVNUT® blind rivet nuts and RIVSTUD® blind rivet studs. These elements are mounted without counter pressure ("blindly") and can therefore also be set at hollow sections.
RIVNUT® blind rivet nuts and RIVSTUD® blind rivet studs are available in many variations and sizes and therefore offer numerous fastening solutions with additional functions.

Technology

Blind rivet nuts

RIVNUT® blind rivet nuts and RIVSTUD® blind rivet studs can easily be used in metal or plastic components as well as in many other material combinations.
Often for hollow bodies, profiles, housings or components with one-sided accessibility, the economical setting of the blind rivet nut and RIVSTUD® blind rivet stud is the only possible solution.

Benefits

  • Stable thread on thin-walled components
  • Installation in case of one-sided accessibility (blind assembly)
  • 2 functions (riveting and screwing)
  • Flexible application for every production step
  • The workpiece is not exposed to thermal stress.
  • Low capital expenditure

Setting

Example of a spindle lifting procedure

Here, the RIVNUT® blind rivet nut and stud is spinned on, upset and afterwards spinned off.

Blind rivet nut setting principle

Product types

RIVNUT® blind rivet nuts standard

Here you find a selection of our wide product range.

  • Blind rivet nuts – head shapes

    Head shapes

    • Flat head
    • Countersunk head
    • Extra-small countersunk head


  • Blind rivet nuts – shank ends

    Shank ends

    • Open
    • Closed
  • Blind rivet nuts – shank forms

    Shank forms

    • Round body, plain
    • Round body, knurled
    • Hexagonal body
    • Part hexagonal body

Dimensions

RIVNUT® blind rivet nuts are available in dimensions M 3 to M 14.

RIVNUT® stainless steel
Blind rivet nut made of stainless steel

Apart from steel and aluminium, our assortment also comprises stainless steel blind rivet nuts.
In addition to the well-known advantages of RIVNUT® blind rivet nuts, they provide optimised corrosion and temperature resistance.
RIVNUT® blind rivet nuts of stainless steel are also available with additional lower-head seal (RIVNUT® sealcote).


Further information is provided in our RIVNUT® Stainless steel flyer (2305).

RIVNUT® plus
Blind rivet nuts

With our 20 RIVNUT® plus types, we can cover your demand for steel blind rivet nuts to about 80 %.
All products of the RIVNUT® plus program are available from stock any time.



Quality characteristic

With its logo, RIVNUT® plus can be identified as a Böllhoff quality product.

RIVNUT® sealcote
Blind rivet nuts with sealing properties

RIVNUT® sealcote provides a stable thread on thin-walled components, also in case of one-sided accessibility. The specific detail is an additional underhead sealant which seals liquids (saltwater resistant) and gases reliably.
RIVNUT® sealcote is available on all RIVNUT® configurations.

Advantages

  • One-piece element: seal integral with the fastener
  • Seal applied prior to installation: optimised assembling / logistics
  • Cost savings
  • Resists both high pressure and temperature
  • Available on all RIVNUT® configurations
  • Salt-water resistant
RIVNUT® HRT high-strength blind rivet nuts
Blind rivet nuts – High Resistance Thread

RIVNUT® HRT (High Resistance Thread) is available in steel or aluminium. High-strength blind rivet nuts ensure a stable thread which considerably improves the mechanical features of the blind rivet nut.

Benefits compared to RIVNUT® Standard

  • Higher preload-forces in the joint
  • Use of smaller dimensions possible
  • Reduced weight
  • Corrosion resistance (RIVNUT® HRT made of aluminium)
  • Optimised recycling capabilities (RIVNUT® HRT made of aluminium)
RIVNUT® PN blind rivet nuts with slotted shank
Blind rivet nuts

RIVNUT® PN has been specially designed for integration into plastic parts, hollow sections or sheet metals requiring high ultimate thread strengths. The slotted shank splays out into four "petals" on the blind side of the base material providing a large bearing surface and maximum ultimate thread strength.

Benefits compared to RIVNUT® Standard

  • High ultimate thread strengths
  • Large clamp area
  • Great variation of component thicknesses with a blind rivet nut
  • Low radial tensions within the component
RIVSTUD® blind rivet studs

Benefits

Blind rivet stud
  • Easy and blind assembly (one-sided accessibility)
  • Use in thin-walled components
  • Optimum fastening for mixed and lightweight construction methods
  • Fulfils two functions: screwing and rivting

Please find further information in our product catalogue RIVNUT®.

Applications

  • Cable wheel

    Cable wheel

    High turning resistance due to knurled body

    • RIVNUT® plus
    • M 4
    • Steel
    • Flat head
    • Knurled body
  • Desk frame

    Desk frame

    Blind assembly from one side only

    • RIVNUT®
    • M 8
    • Steel
    • Flat head
    • Round body
  • Car door

    Car door (interior) galvanised steel

    Allows fully automatic assembly

    • RIVNUT®
    • M 6
    • Steel
    • Extra-small head
    • Hexagonal body
    • Open end
  • Weighing machine

    Weighing machine box

    Splash-proof

    • RIVNUT®
    • M 5
    • Steel
    • Flat head
    • Closed end
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Blind Rivet Nuts and Studs
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