Description
General-purpose carbon steel fastening
ASTM A307 Grade A Carbon Steel Hex Bolts
Standard hex head bolts for equipment, supports, fabricated assemblies and general industrial connections, available in project-specific diameters, lengths and finishes.
Product overview
ASTM A307 Grade A covers carbon steel bolts, studs and threaded rod for general applications. Hex bolts can be supplied with standard or project-defined thread lengths, compatible ASTM A563 nuts and a suitable coating selected for the installation environment.
A307 Grade A hex bolt specifications
| Fastener standard | ASTM A307, ordered edition |
|---|---|
| Grade | Grade A carbon steel |
| Head style | Standard hex head |
| Threads | Unified inch thread to the ordered diameter and class |
| Compatible nuts | ASTM A563 grade and style as specified |
| Finish options | Plain, zinc plated, mechanically galvanized or hot-dip galvanized |
Dimensions, thread series, coatings, compatible nuts and washers, testing and documentation are supplied to the purchase order and the applicable standard edition.
Typical applications
Information required for quotation
- Applicable standard, grade and latest required edition
- Diameter, thread series and thread class
- Overall length, thread length and quantity
- Surface finish or coating system
- Matching nut and washer requirements
- Inspection, test certificate, marking and packing requirements
- Delivery destination and required schedule
Quality and documentation
SASA FLANGE can arrange material traceability, dimensional inspection, thread gauging, mechanical testing, coating inspection and EN 10204 documentation according to the confirmed purchase order. Product selection and final acceptance criteria remain subject to the governing design code and project specification.
Request a quotation
Send your fastener list, drawing or project specification for a technical review and quotation.








