---
title: "M12-1.50 Wheel Lug Nuts Dimensions"
description: "M12-1.50 Wheel Lug Nuts dimensions to Trade series (acorn wheel lug nuts). Full size chart to Trade series (acorn wheel lug nuts) with tolerances."
url: https://engineeringhardware.com/guide/size/m12-1-50-wheel-lug-nuts/
source: Engineering Hardware & Fasteners
---

# M12-1.50 Wheel Lug Nuts Dimensions

Nuts · Trade series (acorn wheel lug nuts)

Controlling dimensions to Trade series (acorn wheel lug nuts), with spanner or drive size and tightening torque.

M12-1.50 Wheel Lug Nuts are dimensioned by Trade series (acorn wheel lug nuts). The controlling dimensions, tolerance classes and assembly data are tabulated below.

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

![M12-1.50 Wheel Lug Nuts Dimensions reference image](https://engineeringhardware.com/wp-content/uploads/2026/09/Wheel-Lug-Nuts.webp)

M12-1.50 Wheel Lug Nuts are manufactured to Trade series (acorn wheel lug nuts). This page lists the controlling dimensions for the M12-1.50 size together with the drive and 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.

## M12-1.50 Dimensional Row (Trade series (acorn wheel lug nuts))

| Thread size | Hex size (mm) | Overall length (mm) | Seat | End form | Thread hand | Material |
| --- | --- | --- | --- | --- | --- | --- |
| M12-1.50 | 21 | 33.5 | 60-degree conical | closed-end acorn | right-hand | steel |

## Spanner & Drive for M12-1.50 Wheel Lug Nuts

Drive geometry for M12-1.50 Wheel Lug Nuts is given by the row above; match the tool to the listed values.

## Installation Tips for M12-1.50 Wheel Lug Nuts

- At M12-1.50 the stretch in the bolt becomes the controlling factor — for critical joints, use angle-controlled or stretch-controlled tightening instead of pure torque.

## Mating Parts for M12-1.50

Pair M12-1.50 with the matching M12-1.50 bolt or screw, plus a M12-1.50 flat washer where required to distribute load on softer materials.

Custom manufacturing · Made to drawing

## Need wheel lug nuts in a size this table does not list?

This page covers M12-1.50 wheel lug nuts. Height and across-flats are the two most often changed — a thinner nut for clearance, a larger hex for a tool that is already on the line. Made by cold heading or tapping.

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

[Custom nut manufacturing](https://engineeringhardware.com/custom/nuts/)[Send a drawing](https://engineeringhardware.com/custom/nuts/#rfq)

## Technical Drawing

Dimensioned line drawing of M12-1.50 Wheel Lug Nuts to Trade series (acorn wheel lug nuts). Side view and top view, drawn to the dimensions in the table below and redrawn for any size selected.

- **Hex size (mm):** 21
- **Overall length (mm):** 33.5
- **Seat:** 60-degree conical
- **End form:** closed-end acorn
- **Thread hand:** right-hand
- **Material:** steel

## Dimensions & Specifications (Trade series (acorn wheel lug nuts))

| Thread size | Hex size (mm) | Overall length (mm) | Seat | End form | Thread hand | Material |
| --- | --- | --- | --- | --- | --- | --- |
| M12-1.50 | 21 | 33.5 | 60-degree conical | closed-end acorn | right-hand | steel |
| M12-1.50 | 21 | 36.45 | conical | closed-end acorn | right-hand | steel |

Product catalog

## Related Wheel & Lug Nuts products

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Wheel, Lug, Hub & Track Bolts

### [Mitsubishi Canter Fe111 Rear Wheel Hub Bolt](https://engineeringhardware.com/product/mitsubishi-canter-fe111-rear-wheel-hub-bolt/)

Hexagon Head · GB

**US$0.12 – 1.44**MOQ 3,000 pieces

[![Made in China Wheel Bolts High Strength Wheel Bolts Nuts High Quality and Low Price Automotive Tire Bolts](https://img.engineeringhardware.com/Made-in-China-Wheel-Bolts-High-Strength-Wheel-Bolts-Nuts-High-Quality-and-Low-Price-Automotive-Tire-Bolts.webp)](https://engineeringhardware.com/product/made-in-china-wheel-bolts-high-strength-wheel-bolts-nuts-high-quality-and-low-price/)

Wheel, Lug, Hub & Track Bolts

### [Made in China Wheel Bolts High Strength Wheel Bolts Nuts High Quality and Low Price Automotive Tire Bolts](https://engineeringhardware.com/product/made-in-china-wheel-bolts-high-strength-wheel-bolts-nuts-high-quality-and-low-price/)

Cold Stamping · Steel, Aluminum, Brass and Other Types

**US$0.12 – 0.60**MOQ 100 pieces

[![0004012971 Wheel Bolt Used for European Benz Man Daf Renault Hino Izusu Mitsubishi](https://img.engineeringhardware.com/0004012971-Wheel-Bolt-Used-for-European-Benz-Man-Daf-Renault-Hino-Izusu-Mitsubishi.webp)](https://engineeringhardware.com/product/0004012971-wheel-bolt-used-for-european-benz-man-daf-renault-hino-izusu-mitsubishi/)

Wheel, Lug, Hub & Track Bolts

### [0004012971 Wheel Bolt Used for European Benz Man Daf Renault Hino Izusu Mitsubishi](https://engineeringhardware.com/product/0004012971-wheel-bolt-used-for-european-benz-man-daf-renault-hino-izusu-mitsubishi/)

Wheel Bolt · SGS

**US$6.00 – 18.00**MOQ 5 pieces

[![Customization Excavator Track Bolts Grade 8 Flat Head Plow Bolts](https://img.engineeringhardware.com/Customization-Excavator-Track-Bolts-Grade-8-Flat-Head-Plow-Bolts.webp)](https://engineeringhardware.com/product/customization-excavator-track-bolts-grade-8-flat-head-plow-bolts/)

Wheel, Lug, Hub & Track Bolts

### [Customization Excavator Track Bolts Grade 8 Flat Head Plow Bolts](https://engineeringhardware.com/product/customization-excavator-track-bolts-grade-8-flat-head-plow-bolts/)

Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST

**US$0.012 – 0.036**MOQ 10,000 pieces

[![High Quality Hino 500 Front Wheel Bolt](https://img.engineeringhardware.com/High-Quality-Hino-500-Front-Wheel-Bolt.webp)](https://engineeringhardware.com/product/high-quality-hino-500-front-wheel-bolt/)

Wheel, Lug, Hub & Track Bolts

### [High Quality Hino 500 Front Wheel Bolt](https://engineeringhardware.com/product/high-quality-hino-500-front-wheel-bolt/)

Bolts · Steel

**US$1.08**MOQ 3,000 pieces

[![High-Strength Auto Wheel Hub Lug Bolt for All Vehicle Types](https://img.engineeringhardware.com/High-Strength-Auto-Wheel-Hub-Lug-Bolt-for-All-Vehicle-Types.webp)](https://engineeringhardware.com/product/high-strength-auto-wheel-hub-lug-bolt-for-all-vehicle-types/)

Wheel, Lug, Hub & Track Bolts

### [High-Strength Auto Wheel Hub Lug Bolt for All Vehicle Types](https://engineeringhardware.com/product/high-strength-auto-wheel-hub-lug-bolt-for-all-vehicle-types/)

Lug Bolt · Auto Wheel Hub Lug Bolt

**US$0.012 – 0.06**MOQ 1,000 pieces

[View all Wheel, Lug, Hub & Track Bolts →](https://engineeringhardware.com/fastener-products/bolts/wheel-lug-hub-track-bolts/) [Full product catalog](https://engineeringhardware.com/products/)

## Materials & Grades

Select a material class to see the grades we supply it in. Each designation is listed with its ISO/EN, AISI/SAE, JIS and GB equivalents.

Stainless Steel38 Carbon Steel66 Alloy Steel41 Bearing Steel5 Spring Steel25 Aluminum and Aluminum Alloys21 Brass17 Bronze11 Copper8 Titanium and Titanium Alloys18 Nickel and Nickel Alloys22 Iron-Nickel and High-Temperature Alloys10 Tool Steel and Specialty Hardened Steel9 Structural and Construction Steel9

### Stainless Steel

#### Austenitic Stainless Steel

- A1 AISI 303 · SAE 303 · SUS303 · EN 1.4305 · X8CrNiS18-9
- A2 AISI 304 · SAE 304 · SUS304 · EN 1.4301 · X5CrNi18-10 · 06Cr19Ni10
- 304L AISI 304L · SUS304L · EN 1.4307 · X2CrNi18-9 · 022Cr19Ni10
- 302 AISI 302 · SUS302 · EN 1.4310
- 305 AISI 305 · SUS305 · EN 1.4303
- A4 AISI 316 · SAE 316 · SUS316 · EN 1.4401 · X5CrNiMo17-12-2 · 06Cr17Ni12Mo2
- 316L AISI 316L · SUS316L · EN 1.4404 · X2CrNiMo17-12-2 · 022Cr17Ni12Mo2
- 321 AISI 321 · SUS321 · EN 1.4541 · X6CrNiTi18-10
- 310 / 310S AISI 310 · AISI 310S · SUS310S · EN 1.4845
- 302HQ AISI 302HQ
- A3
- A5
- 347 AISI 347 · SUS347 · EN 1.4550 · X6CrNiNb18-10
- 309 / 309S AISI 309 · AISI 309S · SUS309S

#### Martensitic Stainless Steel

- AISI 410 SUS410 · EN 1.4006 · X12Cr13 · 12Cr13
- AISI 420 SUS420J1 · SUS420J2 · EN 1.4021 · EN 1.4028 · 20Cr13 · 30Cr13
- AISI 431 SUS431 · EN 1.4057 · X17CrNi16-2
- C1
- C3
- C4
- AISI 440A
- AISI 440B
- AISI 440C SUS440C · EN 1.4125

#### Ferritic Stainless Steel

- AISI 430 SUS430 · EN 1.4016 · X6Cr17 · 10Cr17
- F1
- AISI 434
- AISI 444

#### Precipitation-Hardening Stainless Steel

- 17-4 PH AISI 630 · UNS S17400 · SUS630 · EN 1.4542 · X5CrNiCuNb16-4
- 15-5 PH UNS S15500
- 17-7 PH UNS S17700

#### Duplex and Super Duplex Stainless Steel

- Duplex 2205 UNS S31803 · UNS S32205 · EN 1.4462
- Super Duplex 2507 UNS S32750 · EN 1.4410
- D2
- D4
- D6
- D8
- Lean Duplex 2101 UNS S32101
- Super Duplex S32760 UNS S32760 · EN 1.4501

### Carbon Steel

#### Low-Carbon Steel

- SAE 1006
- SAE 1008
- SAE 1010
- SAE 1018
- SAE 1020
- Q195
- Q235
- SAE 1012
- SAE 1015
- Q215
- ML08
- ML08Al
- ML10
- ML15
- ML20
- SWRCH6A
- SWRCH8A
- SWRCH10A
- SWRCH12A
- SWRCH15A
- SWRCH18A

#### Medium-Carbon Steel

- SAE 1035
- SAE 1045
- S45C
- C45
- SAE 1030
- SAE 1040
- SAE 1050
- 30
- 35
- 40
- 45
- 50
- S35C
- S40C
- S50C
- C35
- C40

#### High-Carbon Steel

- SAE 1060
- SAE 1070
- 65Mn
- SAE 1065
- SAE 1075
- SAE 1080
- SAE 1085
- SAE 1090
- SAE 1095
- 60
- 65
- 70
- 75
- 80
- 85

#### Cold-Heading Steel

- SWRCH22A
- 10B21
- SWRCH22K
- SWRCH25K
- SWRCH30K
- SWRCH35K
- SWRCH40K
- ML20Mn
- ML25
- ML30
- ML35
- ML40
- 15B25

### Alloy Steel

#### Chromium Steel

- 40Cr
- 45Cr
- AISI 5140
- SAE 5140
- AISI 5120
- SAE 5120
- SCr420
- SCr440

#### Chromium-Molybdenum Steel

- 35CrMo
- 42CrMo
- AISI 4140
- SCM435
- SCM440
- 42CrMo4
- 30CrMo
- AISI 4130
- SAE 4130
- SAE 4140
- AISI 4142
- AISI 4145
- SCM415
- SCM420
- SCM445
- EN 1.7220
- EN 1.7225
- 25CrMo4
- 34CrMo4

#### Nickel-Chromium-Molybdenum Steel

- AISI 4340
- SAE 4340
- 40CrNiMo
- SNCM439
- EN 1.6511
- 36CrNiMo4

#### Boron Alloy Steel

- 10B22
- 10B21
- 15B21
- 15B25
- 20MnTiB
- 20Mn2B
- 35VB
- 40MnB

### Bearing Steel

#### Bearing Steel

- GCr15
- AISI 52100 SAE 52100 · UNS G52986
- SUJ2
- 100Cr6 EN 1.3505
- GCr15SiMn

### Spring Steel

#### Carbon Spring Steel

- SAE 1065
- SAE 1070
- SAE 1075
- SAE 1080
- SAE 1095
- 65
- 70
- 75
- 80
- 65Mn

#### Silicon-Manganese Spring Steel

- 60Si2Mn
- 60Si2MnA
- SUP6
- SUP7

#### Chromium-Vanadium Spring Steel

- 50CrVA
- SAE 6150
- AISI 6150
- SUP10

#### Stainless Spring Steel

- AISI 301
- SUS301
- EN 1.4310
- AISI 302
- AISI 304
- AISI 316
- 17-7 PH

### Aluminum and Aluminum Alloys

#### Commercially Pure Aluminum

- 1050
- 1060
- 1070
- 1100

#### 2xxx Series Aluminum

- 2024
- 2011
- 2014
- 2017

#### 5xxx Series Aluminum

- 5052
- 5083
- 5754

#### 6xxx Series Aluminum

- 6061
- 6061-T6
- 6063
- 6082
- 6082-T6

#### 7xxx Series Aluminum

- 7075
- 7075-T6
- 7005
- 7050
- 7075-T73

### Brass

#### Free-Cutting Brass

- C36000
- H62
- HPb59-1
- C3601
- C3602
- C3604
- CuZn36Pb3
- CuZn39Pb3
- EN CW614N
- EN CW617N
- H65

#### Lead-Free Brass

- C69300
- C27450
- CW510L
- CW511L

#### Naval Brass

- C46400
- CuZn39Sn1

### Bronze

#### Silicon Bronze

- C65500
- C65100
- C65600

#### Phosphor Bronze

- C51000
- C52100
- CuSn6
- CuSn8

#### Aluminum Bronze

- C95400
- C95500
- C63000
- CuAl10Ni5Fe4

### Copper

#### Copper

- C11000
- T2
- C10100
- C10200
- C12200
- T1
- TU1
- TU2

### Titanium and Titanium Alloys

#### Commercially Pure Titanium

- Grade 2
- Grade 1
- Grade 3
- Grade 4
- TA1
- TA2
- TA3

#### Alpha-Beta Titanium Alloys

- Grade 5
- Ti-6Al-4V
- TC4
- UNS R56400

#### Low-Interstitial Grade

- Grade 23
- Ti-6Al-4V ELI
- UNS R56407

#### Other Titanium Fastener Alloys

- Ti-6Al-6V-2Sn
- Ti-6Al-2Sn-4Zr-2Mo
- Beta-C titanium
- Ti-10V-2Fe-3Al

### Nickel and Nickel Alloys

#### Commercially Pure Nickel

- Nickel 200
- UNS N02200
- Nickel 201
- UNS N02201

#### Inconel Alloys

- Inconel 625 UNS N06625
- Inconel 718 UNS N07718
- Inconel 600 UNS N06600
- Inconel 601 UNS N06601
- Inconel 686 UNS N06686
- Inconel X-750 UNS N07750

#### Monel Alloys

- Monel 400 UNS N04400
- Monel K-500 UNS N05500

#### Hastelloy Alloys

- Hastelloy C-276 UNS N10276
- Hastelloy C-22 UNS N06022
- Hastelloy B-2 UNS N10665
- Hastelloy B-3 UNS N10675
- Hastelloy X UNS N06002

#### Other Nickel Alloys

- Alloy 20 UNS N08020
- Alloy 625
- Alloy 718
- Alloy 825 UNS N08825
- Alloy 925 UNS N09925

### Iron-Nickel and High-Temperature Alloys

#### A286

- A-286
- UNS S66286
- EN 1.4980

#### Invar

- Invar 36
- Alloy 36
- UNS K93600
- FeNi36

#### Alloy 42

- Alloy 42
- UNS K94100
- FeNi42

### Tool Steel and Specialty Hardened Steel

#### Tool Steel and Specialty Hardened Steel

- AISI D2
- AISI H13
- SKD11
- Cr12MoV
- AISI O1
- AISI A2
- AISI S7
- SKD61
- 9CrSi

### Structural and Construction Steel

#### Structural and Construction Steel

- ASTM A36
- Q235B
- Q355B
- S355JR
- Q235C
- Q355C
- S235JR
- S275JR
- S355J2

## Applications & Industries for M12-1.50 Wheel Lug Nuts

Where Wheel Lug Nuts are used, and what decides the specification in each case.

### Industries that specify Wheel Lug Nuts

- **Automotive wheel service:** Acorn lug nuts clamp a wheel against a conical hub seat.
- **Passenger vehicles:** M12-1.50 and 21 mm hex examples cover the documented service part.
- **Fleet maintenance:** Closed ends protect the thread from road debris.
- **Wheel repair:** Seat angle and overall length are checked against the wheel.
- **Steel fabrication:** Bolted structural and frame connections.
- **Automotive & transport:** Vibration-prone joints where the locking type is specified on the drawing.

### Typical applications

- clamping a wheel on a 60-degree conical seat
- matching M12-1.50 pitch and 21 mm hex
- choosing the 33.5 or 36.45 mm documented length
- checking closed-end clearance at the stud
- completing a bolted joint on a stud, rod or bolt
- locking an adjustment so it cannot drift

### 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.
- **High load:** Supplied in ISO 898-1 property classes, so the joint can be designed to a stated proof load and tightened to a calculated torque rather than by feel.
- **Match the class:** A nut below the bolt property class strips before the bolt reaches its own limit — pair class 8 nuts with 8.8 bolts, class 10 with 10.9.

### Where to use something else

- Do not use an acorn lug nut on a wheel with a different seat form; a correct thread does not make an incorrect seat safe.

[Full application guide: where Wheel Lug Nuts are used, how to specify them, and the cases they are wrong for](https://engineeringhardware.com/applications/wheel-lug-nuts/)

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](https://engineeringhardware.com/wp-content/uploads/2026/08/09-wire-rod-feed-cold-heading-machine.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/03-thread-rolling-machine-bolt-production.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/05-heat-treatment-baskets-black-bolts.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/23-zinc-plated-bolts-treatment-basket.webp) 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

### Should M12-1.50 Wheel Lug Nuts be tightened by torque or by angle?

For critical structural joints at M12-1.50, angle-controlled or stretch-controlled tightening is more repeatable than pure torque — the friction scatter at large diameters can dominate the torque signal.

### What grip range is typical for M12-1.50 structural bolts?

Grip ranges are highly application-dependent at M12-1.50. As a guide, choose a length that gives at least 1× the thread diameter engagement in the nut plus 2–3 thread pitches projecting.

### What is the height of an M12-1.50 nut?

The nominal height of a style-1 ISO 4032 M12-1.50 nut is in the spec table on this page. Style-2 (thick) is approximately 1.1× this height; thin (ISO 4035 / DIN 439) is approximately 0.5×.

### 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.

## Related Pages

[View the full Wheel Lug Nuts page](https://engineeringhardware.com/fastener/wheel-lug-nuts/)