Carry out motor vehicle body mechanical fastening operations

Business Sectors (Suites): Coachbuilding
Developed by: IMI
Approved on: 30 Mar 2023


This unit is about joining materials safely, correctly and effectively using mechanical joining techniques, including riveting, clinching, screwing, and bolting. It also includes hybrid joining.

Performance criteria

You must be able to:

P1 use the appropriate personal protective equipment (PPE) *when carrying out *mechanical joining operations *
P2 protect the vehicle and its contents effectively when carrying out *mechanical joining operations *
P3 prepare material and align to enable suitable join to be achieved 
P4 ensure mating flanges are treated before joining 
P5 select and use the correct tools and equipment for carrying out *mechanical joining operations *
P6 ensure that the tools, equipment and *PPE you require are in a safe working condition 
P7 set up your equipment to carry out mechanical joining operations checking:

P7.1 suitability of joining technique 
P7.2 suitability of tooling 
P7.3 consumables are correct 
P8 carry out mechanical joining operations following: 

P8.1 manufacturers' processes, methods and procedures 
P8.2 your workplace procedures 
P8.3 health, safety and legal requirements 
P9 avoid damaging other components, units and panels on the vehicle 
P10 recognise when your joint is not forming correctly and what action needs to be taken 
P11 check integrity of the join 
P12 dress and protect the repaired area to inhibit corrosion where applicable 
P13 clean and store PPE and equipment in appropriate manner 
P14 promptly report any additional faults you notice during the course of your work to the relevant person(s)  
P15 promptly report any delays in completing your work to the relevant person(s)  
P16 carry out mechanical joining operations within the agreed timescale 
P17 complete work records accurately, in the format required and promptly pass them to the relevant person(s) 

Knowledge and Understanding

You need to know and understand:

K1 the health, safety and legal requirements relating to the joining of materials using mechanical joining techniques and processes 
K2 your workplace procedures for: 

K2.1 the referral of problems 
K2.2 reporting of delays to the completion of work 
K2.3 completion of work records 
K3 the work that needs to be done and the standard required 
K4 the requirements for protecting the vehicle and contents from damage before, during and after the joining of materials using mechanical joining techniques 
K5 the importance of selecting, using and maintaining the appropriate personal protective equipment when joining materials using mechanical joining techniques 
K6 how to find, interpret and use sources of information applicable to the joining of materials using mechanical joining techniques 
K7 how to select, check and use all the tools and equipment required to join materials using mechanical joining techniques 
K8 how to select and use the correct mechanical fastener considering the materials used, strength required, anticipated loading, grip range, maintenance, appearance and cost 
K9 the different types of techniques and joints used for the joining of different types of materials when using mechanical joining techniques 
K10 the faults that can occur when mechanical joining and the causes of these faults 
K11 the need for correct alignment of materials and the methods used to achieve this 
K12 the types of quality control checks that can be used to ensure correct joining of materials 
K13 how to carry out and assess mechanical joining


All of the items listed below form part of this National Occupational Standard.

1. Personal protective equipment (PPE) for mechanical fastening operations includes: 

1.1. face mask with appropriate eye shield 
1.2. gloves (anti-vibration gloves if appropriate) 
1.3. ear defenders 
1.4. steel toe cap boots 
1.5. appropriate vehicle protection 

2. Mechanical joining operations include: 

2.1. riveting, (single sided, double sided, self-piercing) 
2.2. clinching 
2.3. bolts and fasteners 
2.4. screwing, (self-threading, self-piercing) 
2.5. hybrid joining, (combinations of techniques listed that may also include adhesives)

Scope Performance

Scope Knowledge





Links To Other NOS

External Links

Version Number


Indicative Review Date

30 Mar 2026





Originating Organisation


Original URN


Relevant Occupations

Body Repair and Alignment Technician (Automotive), Body Repair Technician (Automotive), Engineering, Vehicle Trades, Coachbuilder

SOC Code



Motor; vehicle; body; mechanical fastening; operations;