Class 10.9 · Class 8.8 · Grade 5
Hobson Engineering Load-Indicator (Dti) Washer
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Measurement
Size (diameter)
Length
Pitch / thread
Finish / coating
Grade / strength
Brand
GALV 8.8 SQUIRT DTI WASH: M12
WDSTGM12
Load-Indicator (Dti) Washer in high-tensile class 8.8. Made to ASTM F959M.
Specifications
- Standard
- ASTM F959M / CLASS 8.8
- Grade / class
- Class 8.8
- Material / finish
- Mechanical Galvanised
Prices on application, request a quote and we’ll price your list.
Documents & data sheets for this selection
- Breaking Strength
- Hobson Structural Product Guide
- Product Finish Comparison
- Squirter DTI Frequently Asked Questions
- Squirter DTI Quick Start Guide
- Squirter DTI Tension Calibrator
- Squirter DTI Tightening Method
- Squirter Washers
- Squirter not Squirting - Trouble Shooting Guide
- Structural Washer Dimensions
- Types of Washers
- Washer Gauge Conversion Chart
Showing documents relevant to the selected variant. Courtesy of Hobson Engineering.
About the Load-Indicator (Dti) Washer
DTI (load-indicator) washers have protrusions that flatten as the bolt is tensioned; a feeler gauge or extruded silicone confirms the specified preload has been achieved. Squirter and DuraSquirt patterns.
Also known as: Dti Washers, Load Indicator Washers, Squirter Washers, Tension Indicating Washers.
Features
- Verifies bolt preload
- Squirter silicone-extrusion indication
- For structural K-class assemblies
- AS/NZS 1252
Applications
- Structural bolting QA
- Bridge and tower connections
- Critical tensioned joints
Standards & specification
- ASTM F959M / CLASS 10.9
- ASTM F959M / CLASS 8.8
- ASTM F959 / GRADE 5
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