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Nuts · GN 505 / GN 506 / GN 507 · Application guide

What Are T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) Used For?

Typical applications, the industries that specify t-slot nuts for aluminum profiles (quarter-turn, swivel-in, sliding), and how to choose the right size, material and finish for the joint.

T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) are used for T-slot nuts for aluminum profiles: serrated quarter-turn, swivel-in and sliding types. They are manufactured to GN 505 / GN 506 / GN 507, and the choice of size, property class and finish is driven by the load in the joint and the environment it sits in.

Primary duty
T-slot nuts for aluminum profiles: serrated quarter-turn, swivel-in and sliding types
Governing standard
GN 505 / GN 506 / GN 507
Thread size range
M3 to M8
Category
Nuts

Application notes are general engineering guidance. Verify the property class and any approval requirement against your own design calculation.

What Are T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) Used For? application image

The primary duty of T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) is T-slot nuts for aluminum profiles: serrated quarter-turn, swivel-in and sliding types. Below: the sectors that specify them in volume, the checklist used to select the right size and material for the application, installation notes, and the known limits of the type. Stocked across roughly M3 to M8, they cover general to heavy-duty work.

Typical Applications for T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding)

The most common settings where these are specified:

  • Automation: profile frames.
  • Machine guarding: panels on profiles.
  • Workbench systems: accessories.
  • Conveyor systems: frame connections.

How to Specify T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) for Your Application

  • Size: Match the nominal size to the mating thread or hole. This product spans M3–M8; check the full table below for the exact dimensions of each size.
  • Locking & grade: Match the strength grade to the bolt, and choose a locking style (nyloc, all-metal, serrated flange) if the joint sees vibration.
  • Environment: For damp, coastal or chemical exposure prefer A4/316 stainless or a suitable coating; indoors, plated steel or A2 is usually sufficient.
  • Standard: This product is supplied to GN 505 / GN 506 / GN 507. Quoting the standard on your order guarantees interchangeable dimensions between suppliers.

Installation & Assembly Practice

  • Run the nut down by hand before applying the wrench to catch cross-threading early.
  • Tighten the nut rather than the bolt head where access allows — the torque-to-preload relation is more consistent.
  • For locking styles, note that nyloc inserts are single-use in critical joints and lose grip above roughly 120 °C.

Common Selection Mistakes with T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding)

  • Pairing a high-class bolt with a lower-class nut — the nut strips before the bolt reaches proof load; the nut class must meet or exceed the bolt class.
  • Using a plain nut with a spring washer in severe vibration instead of a prevailing-torque locking nut.
  • Re-using nyloc nuts in critical joints.

Where T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) Are Not the Right Choice

Not on their own — they need a matching bolt or stud — and a plain nut is not a substitute for a locking type under heavy vibration.

Custom manufacturing · Made to drawing

Need a t-slot nuts for aluminum profiles (quarter-turn, swivel-in, sliding) outside the standard range?

Locking method is specifiable independently of the rest: nylon insert, all-metal deformed thread, serrated flange, or none. Made by cold heading or tapping.

Minimum order from 2,000 pieces; samples within 7 days of drawing approval.

Custom nut manufacturingSend a drawing

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.

Dimensioned line drawing of M3 T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) to GN 505 / GN 506 / GN 507. Side view and top view, drawn to the dimensions in the table below and redrawn for any size selected.
Type
GN 505 Serrated Quarter-Turn T-Slot nuts
Slot width · 20 series (mm)
5.9
e1 · 20 series (mm)
5.9
e2 · 20 series (mm)
10
h · 20 series (mm)
4.5
k · 20 series (mm)
3.2
k · 45 series (mm)
8
Sends the selected values to the quote form below.

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The form below follows the current technical drawing configuration. Change the drawing values above and the request details update automatically.

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Specification
Business Information

Dimensions & Specifications (GN 505 / GN 506 / GN 507)

SizeTypeSlot width · 20 series (mm)Slot width · 30/40 series (mm)Slot width · 45 series (mm)e1 · 20 series (mm)e1 · 30/40 series (mm)e1 · 45 series (mm)e2 · 20 series (mm)e2 · 30/40 series (mm)e2 · 45 series (mm)h · 20 series (mm)h · 30/40 series (mm)h · 45 series (mm)k · 20 series (mm)k · 30/40 series (mm)k · 45 series (mm)Slot width · 5 mm (mm)Slot width · 6 mm (mm)Slot width · 8 mm (mm)e1 · 5 mm (mm)e1 · 6 mm (mm)e1 · 8 mm (mm)e2 · 5 mm (mm)e2 · 6 mm (mm)e2 · 8 mm (mm)Reference standard
M3GN 505 Serrated Quarter-Turn T-Slot nuts5.95.9104.53.28GN 505 / GN 506 / GN 507
M4GN 505 Serrated Quarter-Turn T-Slot nuts5.98105.98101016194.56.69.33.255.8GN 505 / GN 506 / GN 507
M5GN 505 Serrated Quarter-Turn T-Slot nuts5.98105.98101016194.56.69.33.255.8GN 505 / GN 506 / GN 507
M6GN 505 Serrated Quarter-Turn T-Slot nuts81081016196.69.355.8GN 505 / GN 506 / GN 507
M8GN 505 Serrated Quarter-Turn T-Slot nuts1010199.35.8GN 505 / GN 506 / GN 507
M3GN 506 T-Slot nuts to swivel in5612177.710.5GN 505 / GN 506 / GN 507
M4GN 506 T-Slot nuts to swivel in5681217227.710.513.4GN 505 / GN 506 / GN 507
M5GN 506 T-Slot nuts to swivel in5681217227.710.513.4GN 505 / GN 506 / GN 507
M6GN 506 T-Slot nuts to swivel in68172210.513.4GN 505 / GN 506 / GN 507
M8GN 506 T-Slot nuts to swivel in82213.4GN 505 / GN 506 / GN 507
M3GN 507 T-Slot sliding nuts5.88109.516209.516204.5610.53.34.25.5GN 505 / GN 506 / GN 507
M4GN 507 T-Slot sliding nuts5.88109.516209.516204.5610.53.34.25.5GN 505 / GN 506 / GN 507
M5GN 507 T-Slot sliding nuts5.88109.516209.516204.5610.53.34.25.5GN 505 / GN 506 / GN 507
M6GN 507 T-Slot sliding nuts81016201620610.54.25.5GN 505 / GN 506 / GN 507
M8GN 507 T-Slot sliding nuts81016201620610.54.25.5GN 505 / GN 506 / GN 507
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 are T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) used for?

T-slot nuts for aluminum profiles: serrated quarter-turn, swivel-in and sliding types. They are supplied to GN 505 / GN 506 / GN 507.

Which industries use T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding)?

They are commonly specified in automation, machine guarding and workbench systems, among other sectors.

How do I choose the right size of T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding)?

Match the nominal size to the mating thread or hole. This product is available from M3 to M8; the full dimension table on this page lists each size.

Do T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) need a locking feature?

If the joint sees vibration or cyclic load, use a locking style (nyloc, all-metal lock, or serrated flange) or a thread-locking adhesive. For static joints a standard nut tightened correctly is usually sufficient.

Can I get a quote for T-Slot Nuts for Aluminum Profiles (Quarter-Turn, Swivel-In, Sliding) in the size and material I need?

Yes. Use the technical drawing and quote form on this page to set the size and options, then send the exact configuration to our team for pricing and lead time.