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Nuts · ISO 4036 · Application guide

What Are Thin Hex Nuts, Unchamfered Used For?

Typical applications, the industries that specify thin hex nuts, unchamfered, and how to choose the right size, material and finish for the joint.

Thin Hex Nuts, Unchamfered are used for an unchamfered thin hex nut used as a jam nut in low-cost applications. They are manufactured to ISO 4036, 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
An unchamfered thin hex nut used as a jam nut in low-cost applications
Governing standard
ISO 4036
Thread size range
M1.6 to M10
Category
Nuts

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

What Are Thin Hex Nuts, Unchamfered Used For? application image

Thin Hex Nuts, Unchamfered are used primarily for an unchamfered thin hex nut used as a jam nut in low-cost applications. This page lists the industries and assemblies where they are specified, the selection criteria that matter for each application, installation practice, and the cases where a different fastener type is the correct choice. Parts are supplied to ISO 4036. Stocked across roughly M1.6 to M10, they cover general to heavy-duty work.

Typical Applications for Thin Hex Nuts, Unchamfered

The most common settings where these are specified:

  • General assembly: jam nuts on threaded rods.
  • Electrical equipment: locking terminal studs.
  • Furniture: thin nuts for adjustment.
  • Light fabrication: locking adjusters.

How to Specify Thin Hex Nuts, Unchamfered for Your Application

  • Size: Match the nominal size to the mating thread or hole. This product spans M1.6–M10; 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 ISO 4036. 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 Thin Hex Nuts, Unchamfered

  • 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 Thin Hex Nuts, Unchamfered 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 thin hex nuts, unchamfered 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 M1.6 Thin Hex Nuts, Unchamfered to ISO 4036. Side view and top view, drawn to the dimensions in the table below and redrawn for any size selected.
Pitch P (mm)
0.35
Width across corners e (mm)
3.4
Nut height m (mm)
1.0
Width across flats s (mm)
3.2
Sends the selected values to the quote form below.

Request a Quote

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

Request a Quotation

Specification
Business Information

Dimensions & Specifications (ISO 4036)

SizePitch P (mm)Width across corners e (mm)Nut height m (mm)Width across flats s (mm)Reference standard
M1.60.353.41.03.2ISO 4036
M20.44.41.24.0ISO 4036
M2.50.455.51.65.0ISO 4036
M30.56.11.85.5ISO 4036
(M3.5)0.66.62.06.0ISO 4036
M40.77.72.27.0ISO 4036
M50.88.92.78.0ISO 4036
M61.010.93.210.0ISO 4036
M81.2514.54.013.0ISO 4036
M101.517.95.016.0ISO 4036
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

Are Thin Hex Nuts, Unchamfered made to a recognized standard?

Yes — they are manufactured to ISO 4036, so dimensions are interchangeable between suppliers when you quote the standard on your order.

What are Thin Hex Nuts, Unchamfered used for?

An unchamfered thin hex nut used as a jam nut in low-cost applications. They are supplied to ISO 4036.

Which industries use Thin Hex Nuts, Unchamfered?

They are commonly specified in light fabrication, general assembly and electrical equipment, among other sectors.

How do I choose the right size of Thin Hex Nuts, Unchamfered?

Match the nominal size to the mating thread or hole. This product is available from M1.6 to M10; the full dimension table on this page lists each size.

Can I get a quote for Thin Hex Nuts, Unchamfered 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.