TECHNICAL RESOURCE CENTER
Fastener Technical Downloads
Practical technical references for fastener standards, materials, dimensions, installation and product selection.
Developed for distributors, engineers, project buyers and industrial fastener purchasers working with stainless steel and industrial fastening products.
Featured Technical Resource
FEATURED REFERENCE
Fastener Standards Cross-Reference
Compare commonly used DIN, ISO and related fastener standards, including legacy purchasing references and current ISO counterparts.
Cross-reference does not automatically mean dimensional interchangeability.
Standards & Dimensions
Standards, thread and dimensional references for fastener specification and purchasing.
Standards & Dimensions
Fastener Standards Cross-Reference
Compare commonly used DIN, ISO and related fastener standards for specification and purchasing reference.
Standards & Dimensions
Fastener Thread Pitch Reference
Quick reference for metric, Unified and commonly specified fastener thread pitches.
Standards & Dimensions
Metric Hex Wrench Size Reference
Compare current ISO and legacy DIN widths across flats for common metric hex fasteners.
Materials & Performance
Material, corrosion, surface treatment and installation references for stainless steel and industrial fasteners.
Materials & Performance
Fastener Material & Grade Reference
Understand common stainless steel, carbon steel and fastener property-class designations.
Materials & Performance
Surface Finish & Coating Reference
Compare passivation, electropolishing, zinc, zinc-flake, hot-dip galvanizing and other common surface treatments.
Materials & Performance
Stainless Steel Corrosion Selection Guide
Material-selection guidance for 304, 316, 321, 2205, 2507 and 904L across different service environments.
Materials & Performance
Stainless Steel Tightening Torque Reference
Practical tightening torque guidance for stainless steel threaded fasteners under defined installation assumptions.
Product Selection & Application
Practical selection guidance for commonly sourced fastener products and application requirements.
Product Selection & Application
Self-Drilling Screw Selection Guide
Select self-drilling screws by material, drilling capability, head style, sealing washer and application.
Product Selection & Application
Screw Head & Drive Type Reference
Compare common screw head forms and cross recess, slotted, 6-lobe, hex socket and external hex drives.
Product Selection & Application
Washer Selection Guide
Select plain, large-series, locking, bonded EPDM and PVC washers for different joint requirements.
How to Use These Resources
Identify the Standard
Use the standards and dimensional references to confirm the correct product specification before requesting a quotation.
Confirm Material & Performance
Check material grade, corrosion environment, surface treatment and installation conditions.
Send Us Your Requirement
Send VALTOR your standard, drawing, size, material and application details for quotation and technical confirmation.
Technical Reference Notice
These resources are provided for general fastener selection and purchasing reference. Actual product requirements may vary depending on the applicable standard, material condition, joint design, installation method and service environment. For critical applications, confirm the final specification before ordering.
Need Help With a Fastener Specification?
Send us your standard, drawing, material requirement or application details. Our team can help review the specification before quotation.
DIN / ISO / ASME · Stainless Steel · Custom Hardware · OEM