Saudi Arabia mainly works on large-scale industrial infrastructure and that infrastructure basically runs on fasteners. We Stainless Bolt Industries is the leading manufacturer and supplier of SS hex bolts, stainless steel hex nuts, and SS screws in 304 and 316 grade to the buyers across Riyadh, Jeddah, Dammam, and in the whole kingdom of Saudi Arabia.
The Saudi market has specific demands that general fastener suppliers often miss. Vision 2030 projects are driving enormous construction activity. ARAMCO and affiliated contractors needs certified, traceable fasteners for plant and pipeline work. Desalination projects along the Red Sea and Arabian Gulf coast need materials that hold up in high-chloride exposure. That’s exactly why grade selection matters and why we stock both 304 and 316 to match environment, not just cost.
Whether the requirement is a maintenance stock replenishment or a large-volume project order, we work with procurement teams, trading houses, and EPC contractors across Saudi Arabia. Correct specs, proper mill certificates, and reliable delivery to Saudi ports that’s what repeat buyers come to us.
SS Hex Bolts in Saudi Arabia
Stainless steel hex bolts are broadly used across Saudi Arabia’s construction and industrial segments from high-rise buildings in Riyadh to offshore and coastal facilities along the Gulf.
We deliver SS hex bolts in Grade 304 and Grade 316 across a complete range of metric and inch sizes.
SS hex bolts in Saudi Arabia are routinely specified for petrochemical plant construction, oil and gas pipework, structural steel assemblies, HVAC mechanism, and marine-adjacent coastal facilities.
Grade 316 hex bolts are one of the standard for any project in Dammam, Jubail, or Yanbu where chloride exposure is a factor.
Available Types:
- Fully threaded hex bolts
- Partially threaded hex bolts (hex cap screws)
- Heavy hex bolts for structural applications
Available Sizes: M6 to M100 | 1/4″ to 4″ in inch sizes
Standards: ASTM A193, DIN 933, DIN 931, ISO 4014, ISO 4017
SS Hex Nuts in Saudi Arabia
We supply stainless steel hex nuts of SS 304 and 316 grades, so buyers get consistent material throughout the bolted joint not mixed-grade combinations that create galvanic risk.
In Saudi Arabia, SS hex nuts are common in process plant flanges, structural connections, refinery maintenance, and heavy industrial assembly.
For high-pressure or high-temperature applications, we supply heavy hex nuts certified to ASTM A194 on request a standard requirement for ARAMCO-affiliated projects.
Available Types:
- Standard hex nuts (DIN 934 / ISO 4032)
- Heavy hex nuts (ASTM A194)
- Coupling nuts (extension nuts)
- Nylon insert lock nuts (SS hex nyloc)
- Flange nuts
Available Sizes: M4 to M100 | 1/4″ to 4″
Standards: ASTM A194 2H & 8M, DIN 934, ISO 4032
SS Screws in Saudi Arabia
Stainless steel screws handle the fastening work where hex bolts aren’t practical sheet metal work, enclosures, HVAC ductwork, panel boxes, and modular construction.
We stock SS screws in 304 and 316 for the Saudi market across all common head and drive types.
In Saudi Arabia, SS self-tapping screws and machine screws are majorly used in commercial building fit-outs, in food processing facilities in Riyadh’s industrial zones, and outdoor equipment that enclosures across the Kingdom.
Grade 316 screws are specified wherever coastal or chemical exposure is a factor.
Available Types:
- Self-tapping screws (pan head, countersunk, hex washer head)
- Machine screws (pan, CSK, round head Phillips and slotted)
- Hex head self-drilling screws (tek screws)
- Socket cap screws (Allen screws)
- Set screws (grub screws)
Sizes Available: M3 to M20 | #6 to 3/4″ in inch series
Standards: DIN 7981, DIN 965, DIN 912, ISO 1481
SS 304 vs SS 316 Fasteners
Both grades are stainless, and both are corrosion resist but they are not interchangeable for every application.
| Feature | SS 304 Fasteners | SS 316 Fasteners |
| Composition | 18% Chromium, 8% Nickel | 16% Cr, 10% Ni, 2% Molybdenum |
| Corrosion Resistance | Good handles most industrial environments | Excellent resists chlorides and salt water |
| Marine Use | Not ideal near saltwater | Standard choice for marine/coastal use |
| Chemical Resistance | Moderate | Higher, due to molybdenum content |
| Temperature Performance | Up to ~870°C intermittent | Similar, with better pitting resistance |
| Cost | Lower | 20-30% higher than 304 typically |
For inland Saudi projects of dry construction, commercial buildings in Riyadh, and general fabrication. SS 304 fasteners are cost-effective and more than adequate. For coastal projects in Dammam, Jubail, Yanbu, or Jeddah, and for anything in the oil and gas sector, SS 316 is the correct choice. The molybdenum in 316 is what handles chloride environments, and most of Saudi Arabia’s industrial coastline qualifies.
Applications of Stainless Steel Fasteners in Saudi Arabia
- Oil and Gas Saudi Arabia’s oil and gas sector is the largest single consumer of industrial fasteners in the Kingdom. ARAMCO and its contractors need certified SS hex bolts and studs primarily ASTM A193 B8M in Grade 316 majorly for flanged pipe connections, valve assemblies, and process equipment that are operating at pressure and temperature.
- Construction and Infrastructure the Vision 2030 is truly reshaping the Kingdom’s built environment. NEOM, the Riyadh metro, new industrial cities, and large-scale commercial development all need substantial fastener volumes. Grade 304 covers most structural and architectural bolting where the installation isn’t exposed to saltwater or aggressive process chemicals.
- Desalination Plants Saudi Arabia runs some of the world’s largest desalination facilities. Both the Red Sea and Arabian Gulf plants operate in high-chloride environments with aggressive chemical cleaning cycles exactly the conditions where SS 316 fasteners earn their cost premium over 304.
- Marine and Coastal Projects The Gulf coast from Dammam to Jubail, and the Red Sea coast around Jeddah and Yanbu, observes a consistent demand for Grade 316 fasteners in the segment of marine infrastructure, dry docks, and waterfront construction.
- HVAC and Electrical Saudi Arabia’s commercial and residential construction sector uses large quantities of SS self-tapping screws for duct systems, cable trays, and panel installations. Self-tapping SS 304 screws cover most of this work.
- Food Processing and Pharmaceutical Industrial zones in Riyadh, Jeddah, and Dammam host food processing plants and pharmaceutical manufacturers who specify SS 316 fasteners wherever hygiene cleaning with chloride-based chemicals is routine.
Why Saudi Arabia Buyers Source SS Fasteners from Stainless Bolt Industries
- Export-ready documentation: EN 10204 3.1 mill test certificates, ASTM-compliant MTCs, and full lot traceability are standard with every order’s a baseline requirement for ARAMCO and EPC contractor procurement.
- Stock depth: High-demand in sizes of both 304 and 316 are held in inventory, so urgent orders for active projects don’t wait weeks.
- Bulk handling: From 500 pieces to 500,000, our packing and dispatch is built around export shipments to Saudi ports majorly including Jeddah Islamic Port and Dammam.
- Tailored sizes: Non-standard lengths, UNC/UNF thread forms, and specific finishes are available. Send the spec, and we will confirm availability or lead time.
- Saudi customs documentation: We do handle export paperwork that are aligned with Saudi import requirements, including correct HS codes and certificate of origin when needed.
- Competitive pricing: Direct supply chain positioning keeps our pricing sharp. Most Saudi buyers who stay with us cite pricing consistency alongside documentation quality.
Technical Specifications — SS Hex Bolts, Nuts & Screws
| Material Standards | ||
|---|---|---|
| Product | Grade 304 Standard | Grade 316 Standard |
| Hex Bolts | ASTM A193 B8 | ASTM A193 B8M |
| Hex Nuts | ASTM A194 8 | ASTM A194 8M |
| Screws | AISI 304 / DIN | AISI 316 / DIN |
Thread Standards:
- ISO Metric (coarse & fine pitch),
- Unified National Coarse (UNC),
- Unified National Fine (UNF), and
- BSW
Size Range:
- Hex Bolts: M6 to M100 (Metric) | 1/4″ to 4″ (Inch)
- Hex Nuts: M4 to M100 (Metric) | 1/4″ to 4″ (Inch)
- Screws: M3 to M20 (Metric) | #6 to 3/4″ (Inch)
Dimensional Standards:
- DIN 933 / DIN 931 (Hex Bolts),
- DIN 934 (Hex Nuts), DIN 912 / DIN 7981 / DIN 965 (Screws)
Surface Finish Options:
- Plain (mill finish)
- Passivated
- Electro polished (on request)
Mechanical Properties (ASTM A193 B8M —316 Grade):
- Min. Tensile Strength: 75 ksi (515 MPa)
- Min. Yield Strength: 30 ksi (205 MPa)
All products are available with EN 10204 3.1 MTCs, with lot traceability on request.
Frequently Asked Questions
The Major difference between DIN 933 and 931 is 933 bolts are fully threaded and 913 bolts are partially threaded. DIN 933 is more preferred for structural and load-bearing applications. Whereas DIN 933 is commonly used for standard and non-structural fastening.Â
ARAMCO specifications typically require fasteners to ASTM A193 B8M (Grade 316 bolts) and ASTM A194 8M (Grade 316 nuts) for flanged connections in process services. We supply both with full EN 10204 3.1 certificates and a lot traceability. If your project has specific ARAMCO or SABIC material standards, than send us the spec and we’ll confirm with the compliance.
Yes. We do Bulk export to Saudi Arabia is a regular part of our business. We ship to Jeddah, Dammam, and Riyadh with full export documentation mill test certificates, packing lists, and commercial invoices. Contact us with your spec and quantity for a prompt quote.
We stock SS hex bolts from M6 to M100 metric and 1/4″ to 4″ inch sizes, in both SS 304 and SS 316. Common Saudi project sizes M10, M12, M16, M20, M24, and M30 are held in stock. Non-standard lengths or sizes can be arranged on lead time, typically 2–4 weeks, depending on grade and quantity.
Fasteners are produced to ASTM, DIN, and ISO standards. We supply EN 10204 3.1 MTCs as standard. Hex bolts to ASTM A193 B8 (304) and B8M (316); hex nuts to ASTM A194 Grade 8 and 8M. Dimensional inspection reports are available on request.
Yes. Non-standard lengths are available for most product types. Send your drawing or specification and we’ll confirm whether it’s a stock item or a production order. Lead times for custom sizes run 2–5 weeks’ ex-works depending on diameter, grade, and quantity.