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Rivets · Trade series (GESIPA standard blind rivet studs)

M8 Blind Rivet Nut Studs Dimensions

Controlling dimensions to Trade series (GESIPA standard blind rivet studs), with tolerances and fit.

M8 Blind Rivet Nut Studs dimensions to Trade series (GESIPA standard blind rivet studs): coarse thread pitch 1.25 mm.

Coarse thread pitch
1.25 mm

Figures are nominal values from the governing standard. Confirm against the tolerance class for your application before machining or ordering.

M8 Blind Rivet Nut Studs Dimensions reference image

Dimensional data for M8 Blind Rivet Nut Studs to Trade series (GESIPA standard blind rivet studs), with the installation notes for this type. Values are taken from the governing standard rather than from a general machine-thread table, because this type is not selected on one.

M8 Dimensional Row (Trade series (GESIPA standard blind rivet studs))

Thread sizeHead diameter (mm)Overall length (mm)Recommended hole diameter (mm)Body typeMaterial
M8111711.10splined small-head blind body + projecting studsteel

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

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Specification
Business Information

Dimensions & Specifications (Trade series (GESIPA standard blind rivet studs))

Thread sizeHead diameter (mm)Overall length (mm)Recommended hole diameter (mm)Body typeMaterial
M46126.10splined small-head blind body + projecting studsteel
M5711.57.10splined small-head blind body + projecting studsteel
M6915.59.10splined small-head blind body + projecting studsteel
M8111711.10splined small-head blind body + projecting studsteel

Applications & Industries for M8 Blind Rivet Nut Studs

The sectors that buy Blind Rivet Nut Studs, and the duty each one buys them for. Stocked from M4 to M8.

Industries that specify Blind Rivet Nut Studs

  • Automotive trim Blind studs for brackets where the back of the skin is inaccessible.
  • Electrical cabinets Stand-off and bracket attachment on closed sheet enclosures.
  • Rail interiors One-side threaded studs behind finished wall and ceiling panels.
  • Appliance panels Projecting threaded mounting points added after the housing is formed.
  • Transport & bodywork Trailer, bus and van panels joined blind from one side.
  • Signage & cladding Fast, vibration-resistant fixing of thin material.

Typical applications

  • holding a bracket on a closed section without a loose nut inside
  • selecting body hole and grip independently from the stud thread
  • using a blind-installed threaded point for repeat service removal
  • creating a projecting stud from the front side of sheet or tube
  • riveted pivots that must stay tight but still turn
  • permanent joints in thin sheet where a threaded fastener would loosen

Service conditions to specify against

Marine and coastal
Available in A4 (316) stainless for chloride exposure — coastal structures, pool halls, water treatment and deck hardware, where A2 will eventually pit.

Where to use something else

  • Do not size the panel hole from the stud thread; the blind body controls the recommended hole.
  • Not for a joint that has to come apart in service — removal means drilling the rivet out.

Full application guide: where Blind Rivet Nut Studs are used, how to specify them, and the cases they are wrong for

Inside the plant

Manufactured in our own plant

This part is cold-formed, threaded, heat-treated and finished in-house. The stages below are where its class and finish are actually decided.

  1. Wire rod feeding into a cold heading machine
    01

    Cold heading

    Wire rod is drawn to size and cold-formed into blanks. Forming rather than cutting keeps the grain flow continuous around the head, which is where a bolt is most likely to fail.

    Head dimensions and under-head radius checked at set-up and per shift.

  2. Thread rolling machine producing bolt threads
    02

    Thread rolling

    Threads are rolled between hardened dies rather than cut. Rolled threads are stronger in fatigue than cut threads and hold pitch and flank angle far more consistently across a batch.

    Go / no-go ring gauges to ISO 965 tolerance class 6g.

  3. Baskets of bolts staged for heat treatment
    03

    Heat treatment

    Quench-and-temper brings carbon and alloy steel to the property class ordered — 8.8, 10.9 or 12.9 — with the furnace charge tracked so a finished lot can be traced back to it.

    Core hardness and tensile tested per lot to ISO 898-1.

  4. Zinc plated bolts in a treatment basket
    04

    Surface treatment

    Zinc, zinc-nickel, hot-dip galvanizing, black oxide, phosphate and Dacromet, selected against the service environment rather than against the price list.

    Coating thickness and neutral salt spray hours to ISO 9227.

Frequently Asked Questions

What is the coarse-thread pitch of M8 for Blind Rivet Nut Studs?

For M8 the standard coarse pitch is 1.25 mm — this is the value used for Blind Rivet Nut Studs.

What clearance and tapping drill suit M8?

Use a 9 mm clearance hole (ISO 273 medium) for through-fixing, or a 6.8 mm tapping drill for a coarse M8 thread.

How do I request a quotation?

Use the technical drawing on this page to pick the exact configuration, then submit it with the quote form. We respond within one business day.