01
Fastener Materials & Strength Grades
Compare carbon steel, alloy steel and stainless fastener requirements before sending an RFQ.
Read Buyer GuideFastener Buyer Guides
Practical English guides for comparing materials, standards, finishes and the information required for a useful fastener quotation.
Technical resources
Seven practical guides for clearer fastener purchasing.
Use these guides to compare common material, strength, standard and finish directions before sending an RFQ. The confirmed purchase order, governing standard and approved drawing remain the controlling requirements.
02
DIN & ISO Fastener Standards
Use the standard number together with size, material, grade and finish to identify the correct fastener.
Read Buyer Guide03
Fastener Coatings & Surface Finishes
Select a finish from the service environment, thread fit, appearance and project specification.
Read Buyer Guide04
Fastener RFQ Checklist
Send the details a fastener supplier needs to review your requirement and prepare a useful quotation.
Read Buyer Guide05
A2 vs A4 Stainless Steel Fasteners
Compare common A2/304 and A4/316 purchasing directions before choosing stainless fasteners.
Read Buyer Guide06
DIN 933 vs ISO 4017 Hex Bolts
Understand what to verify before treating DIN 933 and ISO 4017 fully threaded hex bolts as interchangeable.
Read Buyer Guide07
DIN 934 vs ISO 4032 Hex Nuts
Compare dimensions, wrench sizes, thread scope and purchasing details before substituting DIN 934 and ISO 4032 hex nuts.
Read Buyer GuideUse the guides with your RFQ
Turn a general product request into a confirmable specification.
Start with the guide closest to your requirement, then send the product standard or drawing, size, material or property class, finish, quantity, documentation and destination.
- Compare materials and property classes before naming an equivalent
- Check DIN and ISO references against the controlling drawing
- Describe the service environment before selecting a finish
- Use the RFQ checklist to reduce missing information