ASTM D4562: Adhesive Pin Collar Shear Strength Testing Services
Accredited ASTM D4562 adhesive pin collar shear strength testing from Infinita Lab, performed to the exact standard requirements - accurate, reproducible results with full documentation for compliance, R&D, and quality control programs.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM D4562 Adhesive Pin Collar Shear Strength?
ASTM D4562, Standard Test Method for Shear Strength of Adhesives Using Pin-and-Collar Specimen, is a widely referenced procedure for evaluating the shear performance of curing liquid adhesives, most notably anaerobic retaining compounds and thread-locking or thread-sealing formulations used to secure cylindrical assemblies and threaded fasteners. The method uses a simple but effective specimen configuration: a cylindrical steel pin is bonded concentrically inside a matching steel collar, or sleeve, so that the adhesive forms a thin, controlled annular bondline between the two mating steel surfaces. Once the adhesive has cured under specified conditions, the assembled specimen is mounted in a test fixture and subjected to an axial compressive load that pushes the pin relative to the collar until the adhesive bond fails in shear. The load recorded at failure is divided by the bonded annular surface area to calculate the adhesive’s shear strength, typically reported in pounds per square inch or megapascals.
Because the pin-and-collar geometry closely mimics real-world retaining and locking joints, such as bearings, bushings, gears, and pulleys fitted onto shafts, or fasteners secured with anaerobic locking compounds, ASTM D4562 gives engineers a practical, application-relevant measure of bond performance rather than a purely academic shear value. The test is also useful for characterising the degree of cure an adhesive has achieved and for assessing how environmental exposures, such as elevated temperature, chemical contact, or accelerated ageing, affect long-term shear strength. The specimen and fixture design specified in D4562 are essentially identical to those used in ISO 10123, allowing manufacturers who sell into both domestic and international markets to generate directly comparable data under a single test program. For adhesive formulators, fastener manufacturers, and OEMs specifying retaining compounds, ASTM D4562 offers a reliable, standardized way to compare products, qualify suppliers, and validate designs before parts reach full production.
Applications and Benefits of ASTM D4562 Adhesive Pin Collar Shear Strength Testing
Scope
- ASTM D4562 establishes a standardised method for determining the shear strength of curing liquid adhesives using a pin-and-collar specimen.
- The method is specifically intended for adhesives used to retain cylindrical assemblies or to lock and seal threaded fasteners.
- A cylindrical steel pin is bonded concentrically inside a matching steel collar to create a controlled annular adhesive bondline.
- The bonded specimen is subjected to an axial compressive load until the adhesive bond fails in shear.
- Shear strength is calculated from the failure load divided by the bonded annular surface area.
- Results are reported in inch-pound units, with SI (metric) values provided for reference.
- The specimen and holder geometry used in ASTM D4562 are essentially identical to those specified in ISO 10123.
- The method can be used to evaluate the effect of cure time, temperature, and environmental exposure on adhesive shear performance.
- Test results support comparison between different adhesive formulations tested under identical specimen and loading conditions.
- The method applies primarily to anaerobic and other curing liquid adhesives rather than film or paste adhesives tested by lap-shear coupon methods.
Applications
- Qualifying anaerobic retaining compounds used to secure bearings, bushings, gears, and pulleys onto shafts.
- Evaluating thread-locking and thread-sealing adhesives used to prevent loosening or leakage in threaded fasteners.
- Supporting new adhesive product development and formulation comparison for engineering and structural adhesive manufacturers.
- Verifying incoming adhesive lots meet specified shear strength requirements for production assembly lines.
- Assessing how service conditions such as elevated temperature or chemical exposure affect long-term bond strength.
- Generating comparative data for adhesives used across automotive, industrial equipment, and machinery assembly applications.
- Validating adhesive selection during design qualification for components that rely on retained or locked cylindrical joints.
Benefits
- Provides an application-relevant shear strength value based on an actual cylindrical retaining or locking joint geometry.
- Enables direct, apples-to-apples comparison of competing adhesive products under a single controlled test configuration.
- Correlates well with real-world performance of retained bearings, bushings, and threaded fastener assemblies.
- Supports quality control programs by confirming consistent adhesive shear performance across production batches.
- Aligns with ISO 10123, allowing manufacturers to generate data usable in both domestic and international markets.
- Helps engineers make informed material selection and design decisions before committing to full-scale production.
Our ASTM D4562 Testing Procedure
Specimen Fabrication
Pin and collar are machined to specified dimensions; adhesive is applied and the assembly is cured.
1Fixture Setup
Bonded pin-collar assembly is placed in the push-out or pull-out test fixture.
2Axial Loading
Load is applied at a controlled rate until bond failure; peak load is recorded.
3Shear Strength Calculation
Shear strength is calculated from peak load divided by bonded cylindrical area.
4ASTM D4562 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Test Principle | Axial push-out/pull-out of cylindrical pin-collar assembly |
| Specimen Type | Pin-in-collar cylindrical assembly |
| Applicable Materials | Retaining compounds, anaerobic and structural adhesives |
| Output Units | MPa (psi) |
| Measured Outputs | Shear strength, failure mode |
- Universal Testing Machine – Applies and records the axial compressive load used to shear the adhesive bond to failure.
- Pin-and-Collar Test Fixture – Holds the bonded specimen in precise alignment during axial load application.
- Load Cell – Measures applied force with the accuracy required to determine failure load precisely.
- Environmental Chamber – Conditions specimens at elevated or reduced temperatures when evaluating environmental effects on shear strength.
- Precision Specimen Gauges – Verify pin and collar dimensions and bond line consistency before testing.
- Data Acquisition System – Captures load and displacement data throughout the test for accurate shear strength calculation.
- Surface Preparation Equipment – Cleans and prepares pin and collar surfaces to ensure consistent, contamination-free bonding.
Equipment and Instrumentation Used for ASTM D4562 Testing
What You Receive: Test Report, Data, and Certification
- Calculated shear strength values for each specimen, reported in psi and/or MPa.
- A comprehensive test report detailing specimen preparation, cure conditions, and test parameters used.
- Individual and average failure loads across the tested specimen set.
- Observations on adhesive bond failure mode where relevant to interpreting results.
- Comparative data suitable for evaluating multiple adhesive formulations or production lots side by side.
- Certified test reports formatted to support regulatory submissions, supplier qualification, or internal engineering records.
ASTM D4562 Adhesive Pin Collar Shear Strength FAQs
ASTM D4562 measures shear strength of adhesives using pin-and-collar specimens. It evaluates bond performance under shear loading, helping assess reliability of adhesive joints in cylindrical or rotational assemblies.
Key parameters include specimen dimensions, adhesive thickness, curing conditions, alignment, and loading rate. Controlled conditions ensure accurate measurement of shear strength in pin-and-collar adhesive joints.
The test measures shear strength of adhesive bonds, typically expressed in stress units. Results indicate load-bearing capability and performance of adhesive joints under shear forces.
ASTM D4562 applies to adhesives bonding cylindrical components such as shafts, sleeves, and collars used in automotive, aerospace, and industrial mechanical assemblies.
ASTM D4562 results depend on specimen preparation and curing conditions. It may not fully represent real-world service conditions, requiring additional testing for fatigue, temperature, and environmental effects.
ISO 4587 determines the tensile lap-shear strength of rigid-to-rigid bonded assemblies. Standard adhesive-bonded specimens are prepared and conditioned, then pulled in tension until failure; the maximum load is used to determine the lap-shear strength.
Why Choose Infinita Lab for Adhesive Pin Collar Shear Strength Testing
When your Adhesive Pin Collar Shear Strength results have to hold up - for compliance, a customer audit, or an engineering decision - ASTM D4562 accuracy and an unbiased third-party report matter more than price. Infinita Lab routes your ASTM D4562 adhesive pin collar shear strength testing to ISO/IEC 17025-accredited U.S. partner labs with hands-on method experience, so you get defensible data, transparent reporting, and turnaround times built around your project deadline - not ours.
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