
Bolted Assembly Training
Master every stage of bolted assembly — from fastener selection and joint design to precision tightening and quality audits. This training covers the mechanical principles, tooling, and procedures that keep critical joints tight and reliable. Whether you work on structural connections, pressure flanges, or high-volume production lines, you will gain the technical depth to do the job right the first time.
What you'll learn:
You will build a complete understanding of bolted joint mechanics, including clamping force, preload, and the torque-tension relationship. You will learn to select the right fasteners and coatings for any service condition and prepare mating surfaces to reduce preload scatter. The course covers manual, pneumatic, and advanced electric tightening tools, including calibration and error-proofing techniques. You will apply multi-pass tightening sequences for flanged, structural, and gasketed joints. Quality control methods — from visual inspection to statistical process control — are covered in full. You will also explore failure analysis, vibration resistance, and corrosion protection strategies for long-term joint reliability.
How you study in practice Bolted Assembly Training
How you practise Bolted Assembly Training
For businesses looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 36 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Bolted Assemblies
Foundations of Bolted Assemblies
Lesson 1 • Fastener Types and Nomenclature
Covers bolt, nut, washer, and stud classifications with standardised naming. Builds the vocabulary needed for all subsequent technical instruction.
Lesson 2 • Standards and Specification Overview
Surveys dimensional, strength, and quality standards governing fasteners. Students learn to read specification documents and apply requirements on the job.
Lesson 3 • Fastener Materials and Coatings
Introduces material grades, corrosion protection, and coating effects on friction. Prepares students to select appropriate fasteners for service conditions.
Lesson 4 • Mechanical Principles of Bolted Joints
Explains clamping force, preload, and joint stiffness as the physics behind a secure assembly. Connects theory to practical tightening outcomes.
Chapter 2HideHide detailsSee detailsJoint Design and Load Analysis
Joint Design and Load Analysis
Lesson 1 • Gasket and Sealing Joint Considerations
Addresses gasket stress, blowout pressure, and bolt load requirements for leak-free seals. Bridges structural joint analysis with pressure-containing assembly needs.
Lesson 2 • Preload Requirements and Targets
Defines minimum and target preload values based on joint function and external loads. Links design intent to the tightening specifications used in assembly.
Lesson 3 • Joint Failure Modes
Catalogues fatigue, loosening, corrosion, and overload failures with root causes. Enables students to anticipate and prevent failures during design review.
Lesson 4 • Load Path and Force Distribution
Traces how external forces distribute among fasteners in a pattern. Students apply equilibrium concepts to determine the most critically loaded bolt.
Lesson 5 • Joint Geometry and Configuration
Examines flange, lap, butt, and gasketed joint configurations and their load characteristics. Provides the geometric context for all load calculations.
Chapter 3HideHide detailsSee detailsTorque and Preload Fundamentals
Torque and Preload Fundamentals
Lesson 1 • Torque Specification Development
Guides students through calculating and documenting a torque specification from design inputs. Produces a complete torque table entry ready for a work instruction.
Lesson 2 • Alternative Preload Control Methods
Surveys turn-of-nut, bolt elongation, ultrasonic, and direct tension methods beyond torque. Students compare accuracy and cost to select the right method for each application.
Lesson 3 • Torque-Tension Relationship
Derives the torque equation linking applied torque to resulting bolt tension. Establishes the mathematical foundation for all torque specification work.
Lesson 4 • Nut Factor Variables and Scatter
Identifies surface condition, lubrication, and plating as key nut factor drivers. Students quantify expected preload scatter and its effect on joint reliability.
Chapter 4HideHide detailsSee detailsHand and Pneumatic Tooling
Hand and Pneumatic Tooling
Lesson 1 • Manual Torque Wrench Types and Use
Covers click, beam, dial, and electronic torque wrenches with correct operating technique. Ensures students apply torque accurately and avoid common user errors.
Lesson 2 • Pneumatic Impact and Pulse Tools
Explains impact wrench and pulse tool operating principles and their torque output variability. Students learn when these tools are appropriate and how to control output.
Lesson 3 • Tool Selection for Application
Provides a decision framework matching tool type to torque range, access, and accuracy needs. Students justify tool selection in a given assembly scenario.
Lesson 4 • Tool Calibration and Verification
Establishes calibration intervals, test equipment, and acceptance criteria for torque tools. Students perform a calibration check and interpret results against standards.
Chapter 5HideHide detailsSee detailsElectric and Advanced Tightening Systems
Electric and Advanced Tightening Systems
Lesson 1 • Tightening Strategy Programming
Teaches multi-stage tightening strategies including torque-to-torque, torque-to-angle, and yield-point control. Students configure strategies to maximise preload accuracy.
Lesson 2 • DC Electric Nutrunner Fundamentals
Covers motor types, transducer feedback, and controller architecture in DC electric tools. Provides the technical basis for programming and troubleshooting these systems.
Lesson 3 • System Integration and Error Proofing
Addresses tool network integration, barcode scanning, and poka-yoke features that prevent assembly errors. Students design an error-proofing scheme for a sample assembly.
Lesson 4 • Maintenance and Troubleshooting
Covers preventive maintenance schedules, common fault codes, and systematic troubleshooting for electric tightening systems. Students resolve simulated tool faults.
Lesson 5 • Data Acquisition and Process Monitoring
Explains how tightening controllers capture torque-angle curves and flag anomalies. Students analyse curves to diagnose joint and process problems.
Chapter 6HideHide detailsSee detailsSurface Preparation and Hardware Handling
Surface Preparation and Hardware Handling
Lesson 1 • Lubrication Application
Covers lubricant types, application methods, and coverage requirements for consistent nut factor. Students apply lubricant correctly and verify coverage before tightening.
Lesson 2 • Thread Engagement and Hole Preparation
Addresses minimum thread engagement, hole cleaning, and tapped hole inspection. Ensures the threaded interface can sustain the required clamp load without stripping.
Lesson 3 • Mating Surface Preparation
Details cleaning, flatness verification, and surface finish requirements for bolted interfaces. Connects surface condition to friction coefficient and preload accuracy.
Lesson 4 • Fastener Inspection and Handling
Establishes incoming inspection criteria and proper storage to prevent damage and contamination. Students identify and reject nonconforming fasteners before use.
Chapter 7HideHide detailsSee detailsAssembly Procedures and Tightening Sequences
Assembly Procedures and Tightening Sequences
Lesson 1 • Multi-Pass Tightening Techniques
Explains star pattern, percentage-of-final, and sequential multi-pass methods for uniform clamp load. Students apply each method and measure resulting load distribution.
Lesson 2 • Structural Bolting Procedures
Covers snug-tight, pretensioned, and slip-critical installation methods for structural connections. Students apply the correct method based on connection classification.
Lesson 3 • Flange and Gasketed Joint Assembly
Applies multi-pass tightening to pressure-containing flanged joints with gasket compression requirements. Students follow a flange assembly procedure to achieve leak-free sealing.
Lesson 4 • Work Instruction Development
Guides students in writing clear, complete assembly work instructions from engineering inputs. Produces a usable document that controls the assembly process on the shop floor.
Lesson 5 • Bolt Installation and Snugging
Covers hand-start technique, cross-pattern snugging, and snug torque definition. Establishes the correct starting condition before final tightening begins.
Chapter 8HideHide detailsSee detailsQuality Control and Audit Practices
Quality Control and Audit Practices
Lesson 1 • Torque Audit Methods
Teaches residual torque, breakaway torque, and torque-angle audit techniques with acceptance criteria. Students perform each audit type and classify results correctly.
Lesson 2 • Visual and Dimensional Inspection
Covers marking, thread protrusion, and alignment checks performed after tightening. Provides a systematic inspection checklist students apply to completed assemblies.
Lesson 3 • Nonconformance and Corrective Action
Establishes the process for documenting, containing, and resolving bolted joint nonconformances. Students complete a root cause analysis and corrective action for a sample defect.
Lesson 4 • Statistical Process Control for Tightening
Applies control charts and capability indices to tightening process data. Students calculate Cpk and interpret control charts to assess process stability.
Lesson 5 • Process Audit and Continuous Improvement
Trains students to conduct layered process audits and use findings to drive sustained improvement. Links audit results to measurable quality metrics and improvement projects.
Your valid completion certificate
This course is for you:
Assembly technician: wants to move beyond guesswork into verified, repeatable results.
Maintenance mechanic: needs to stop recurring joint leaks and fastener failures confidently.
Manufacturing engineer: responsible for writing tightening specs but lacks formal fastener training.
Quality inspector: audits bolted joints daily but wants deeper technical grounding behind criteria.
Pipefitter or millwright: works flanged pressure joints and needs code-level bolting knowledge.
Career changer: entering industrial assembly and needs structured, credible foundational expertise fast.
What our students say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...

I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

I like the content and the way videos are presented and transcribed, which speeds up the process!

The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.

Top upskilling courses
FAQ
Who is Dedika?
Is the certificate valid in Australia?
Are the courses free?
What is the course workload?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an EAD or online course and how does it work?
PDF Course




















