Machine Screw Suppliers in KSA | Pan, Flat, Socket & Stainless Steel Screws

Machine Screw Suppliers in KSA | Pan, Flat, Socket, Stainless Steel & Custom Machine Screws

Find machine screw suppliers in Saudi Arabia offering pan head, flat head (countersunk), Phillips, slotted, socket head, truss head, cheese head, round head, stainless steel and strut machine screws in metric (M2 to M12) and inch (#2-56 to 1/4-20) sizes. Compare DIN 7985, DIN 963, DIN 965 and DIN 912 screws, carbon steel, zinc plated, stainless steel and brass options, lengths including 1 inch, 1.5 inch and 2 inch, indicative SAR prices, the matching screwdriver or key for each drive, and supplier contact numbers in Riyadh and Dammam, plus fastener manufacturers in Al Khobar for custom machine fasteners.

How to Choose the Right Machine Screw?

Before Choosing a Machine Screw

✓ 1. Select the Correct Diameter: Match the screw diameter to the tapped hole or nut and the load it must carry, for example M4 for light panels and M8 for machinery brackets.

✓ 2. Choose the Correct Length: Make sure the screw gives enough thread engagement without bottoming out. In steel, aim for engagement of at least 1 × the diameter; in aluminium, about 1.5–2 ×.

✓ 3. Check the Thread Type: Confirm whether the part uses metric, UNC or UNF threads. They can look similar but will cross-thread if mixed.

✓ 4. Choose Coarse or Fine Thread: Coarse threads are common for general assembly and are faster to install; fine threads give finer adjustment and more engagement in thin walls.

✓ 5. Select the Material: Carbon steel suits general indoor use; stainless steel (A2/304 or A4/316) is preferable where corrosion resistance matters; brass suits electrical and non-magnetic uses.

✓ 6. Choose the Head Style: Pan, flat (countersunk), socket, cheese, truss and round heads suit different clearance, bearing area and finishing requirements.

✓ 7. Match the Drive Type: Phillips, Pozidriv, slotted, hex socket and Torx drives must match the machine screw driver or key available on site.

✓ 8. Consider the Environment: For outdoor, humid, coastal or corrosive locations in KSA, choose stainless steel or a protective coating such as zinc or hot-dip galvanizing.

✓ 9. Check the Standard: Confirm DIN, ISO, ASTM or other project-required specifications, for example DIN 7985 / ISO 7045 pan head or DIN 965 / ISO 7046 countersunk.

✓ 10. Consider Vibration and Load: Use lock washers, nylon insert nuts or thread-locking compound where vibration may loosen the connection.

Match Your Job to the Right Machine Screw Before You Read Anything Else

Best Machine Screw Suppliers in KSA with Contact Numbers

Machine screw suppliers in KSA Khobar and fasteners manufacturer in Saudi Arabia: for custom machine fasteners and project quantities, Al-Rashed Fasteners in Al Khobar (+966 13 853 2299) manufactures bolts, nuts, studs, anchor bolts and special fasteners to ASME, ASTM, DIN, ISO and SAE standards, with heat treatment and coating in-house. It is also a stud bolt supplier in Saudi Arabia for oil and gas flanges. In Dammam, UCON Bolts KSA and Rawabi Al Majid Fasteners are further fastener sources for the Eastern Province.

Machine Screw Products Available in KSA

Prices are indicative and vary with size, grade, finish and quantity; confirm with the supplier before ordering.

Types of Machine Screws in KSA | Head Styles and Drive Options for Every Application

Machine screws have a uniform thread made to fit a nut or a tapped hole. The head shape decides how the screw sits and looks, and the drive decides which tool you need. Each type below explains what it is, its standard, where it fits and what to check before buying in Saudi Arabia.

Pan Head Machine Screw For General Machinery And Equipment Assembly

What is a pan head machine screw and why is it the most common type?
A pan head machine screw has a slightly rounded top with a flat bearing face underneath, giving a good grip surface and a neat finish. It sits above the surface, so no countersinking is needed. DIN 7985 / ISO 7045 cross-recessed pan head screws are the most widely stocked machine screws in Saudi Arabia.

• Typical Specifications: M2–M10 and #2 to 1/4 inch; Phillips, Pozidriv, slotted or Torx drive; steel 4.8, zinc plated or stainless.
• Best For: Machinery covers, equipment housings, brackets, electrical boxes and general assembly.
• Buying Tip for KSA: Use stainless pan head screws on outdoor equipment such as AC units and signage to prevent rust staining.

Available From: United Eagle Trading Company (Boltec): +966 53 766 8500  |  Khusheim Store: +966 55 747 0030

Flat Head Machine Screw For Flush-Fit Electrical Panels And Enclosures

When should I use a flat head (countersunk) machine screw?
A flat head machine screw has a cone-shaped head that sits flush with or below the surface in a countersunk hole. It is used where a projecting head would get in the way or look untidy. DIN 965 (Phillips) and DIN 963 (slotted) are the common metric standards, with a 90° head angle.

• Typical Specifications: M3–M10; 90° countersink for metric, 82° for inch screws; steel, zinc plated or stainless.
• Best For: Electrical panels, enclosure doors, hinges, sliding parts and fit-out work.
• Buying Tip for KSA: Match the countersink angle: an 82° inch screw in a 90° metric countersink will not sit flush.

Available From: Dar Assaad Trading Est: +966 11 477 1293  |  Aetronix Saudi: +966 11 463 3117

Phillips Head Machine Screw For Fast Electrical And Industrial Assembly

Why are Phillips head machine screws used for fast assembly?
The cross-shaped Phillips recess centres the screwdriver automatically, which makes driving faster by hand or with power tools. It is the most common drive on electrical and appliance screws in the Kingdom. Pozidriv (PZ) is a similar cross drive with better grip, common on European products.

• Machine Screw Driver Sizes: PH1 for about M2.5–M3, PH2 for M4–M5 and PH3 for M6 and above.
• Best For: Electrical panels, appliances, light fittings, HVAC units and production lines.
• Buying Tip for KSA: Do not use a Phillips driver on Pozidriv screws or vice versa; the wrong bit cams out and damages the head.

Available From: Aetronix Saudi: +966 11 463 3117  |  AP Tools: +966 55 282 2719

Slotted Machine Screw For Electrical Panels And General Equipment Fastening

Are slotted machine screws still used today?
Yes. Slotted machine screws have a single straight slot and can be turned with a flat-blade screwdriver or even a coin. They remain common in electrical terminals, switchgear and older equipment, and are specified by standards such as DIN 84 (cheese head) and DIN 963 (countersunk).

• Typical Specifications: M2–M10; steel, brass and stainless.
• Machine Screw Driver: Choose a blade width close to the slot length and thickness that fills the slot to avoid slipping.
• Best For: Electrical terminals, switchgear, meters and general equipment.
• Buying Tip for KSA: Slotted drives transmit less torque, so use Phillips or socket drives where high tightening torque is needed.

Available From: Dar Assaad Trading Est: +966 11 477 1293  |  Steel Corner Trading Est: +966 54 350 0097

Socket Head Machine Screw For Compact Mechanical And Machinery Assembly

What is a socket head cap screw and when is it the best choice?
A socket head cap screw (DIN 912 / ISO 4762) has a tall cylindrical head with an internal hex socket. It carries high torque, fits in counterbored holes and allows tight spacing between screws, making it the standard fastener in machinery, tooling and dies.

• Typical Specifications: M3–M24; class 8.8, 10.9 and 12.9 alloy steel (usually black oxide) or A2/A4 stainless.
• Hex Key Sizes: M3: 2.5 mm, M4: 3 mm, M5: 4 mm, M6: 5 mm, M8: 6 mm, M10: 8 mm, M12: 10 mm.
• Best For: Machine tools, moulds, jigs, motors, pumps and compact mechanical assemblies.
• Buying Tip for KSA: Class 12.9 screws are very strong but less corrosion resistant; use stainless or coated versions where moisture is present.

Available From: United Eagle Trading Company (Boltec): +966 53 766 8500

Truss Head Machine Screw For Sheet Metal And Panel Installation

What is a truss head machine screw used for?
A truss head machine screw has a wide, low-profile domed head that spreads the clamping force over a larger area. This helps prevent pulling through or deforming thin sheet metal and soft panels.

• Typical Specifications: M3–M8 and #6 to 1/4 inch; zinc plated or stainless; Phillips drive most common.
• Best For: Sheet metal enclosures, ducting, cabinets, signage and plastic panels.
• Buying Tip for KSA: Choose truss heads instead of pan heads plus washers to save parts on sheet metal work.

Available From: Steel Corner Trading Est: +966 54 350 0097  |  United Eagle Trading Company (Boltec): +966 53 766 8500

Cheese Head Machine Screw For Electrical And Precision Equipment Assembly

What is a cheese head machine screw?
A cheese head machine screw (DIN 84 slotted or ISO 1207) has a tall, cylindrical head with a flat top, like a round of cheese. Its deep slot allows higher torque than a shallow pan head slot, and its small diameter suits recessed holes in precision equipment.

• Typical Specifications: M1.6–M10; steel, brass and stainless; slotted or Phillips.
• Best For: Electrical terminals, instruments, meters, precision equipment and counterbored holes.
• Buying Tip for KSA: Brass cheese head screws are common in electrical fittings for their conductivity and corrosion resistance.

Available From: Aetronix Saudi: +966 11 463 3117

Round Head Machine Screw For General Industrial And Mechanical Fastening

What is the difference between a round head and a pan head machine screw?
A round head machine screw has a higher, fully domed head than a pan head. It gives a traditional finished look and a strong head for general fastening, though pan heads have largely replaced it in modern designs.

• Typical Specifications: M3–M10; slotted or Phillips; steel, brass and stainless.
• Best For: General industrial and mechanical fastening, older equipment and decorative hardware.
• Buying Tip for KSA: When replacing screws on older equipment, match the head style so covers and fittings seat correctly.

Available From: Dar Assaad Trading Est: +966 11 477 1293  |  Steel Corner Trading Est: +966 54 350 0097

Stainless Steel Machine Screw For Corrosive And Outdoor Applications

Which stainless steel machine screws are best for outdoor use in Saudi Arabia?
Stainless steel machine screws resist rust without coating. A2 (304) screws suit most inland outdoor use, while A4 (316) screws resist chlorides better and are recommended near the coast in Jeddah, Dammam, Al Khobar and Jubail, in water treatment and in chemical areas.

• Typical Specifications: DIN 7985, DIN 965 and DIN 912 in A2-70 and A4-70/80; M2–M12.
• Security Option: Tamper-proof stainless screws, such as the RS PRO M5 × 19 mm, stop removal of public fixtures and equipment covers.
• Best For: Outdoor enclosures, signage, marine fittings, food equipment and HVAC units.
• Buying Tip for KSA: Pair stainless screws with stainless nuts and washers, and use anti-seize to prevent galling.

Available From: Khusheim Store: +966 55 747 0030  |  Aetronix Saudi: +966 11 463 3117

Strut Machine Screw For Electrical Support And Channel Systems

What is a strut machine screw and how is it used with channel systems?
A strut machine screw is used with spring nuts or channel nuts in strut (unistrut-type) channel to fix brackets, clamps, pipe supports and cable trays. It lets MEP teams adjust positions along the channel easily.

• Typical Specifications: M6–M12 or 1/4–1/2 inch; zinc plated, hot-dip galvanized or stainless.
• Best For: Cable trays, pipe hangers, conduit supports, solar mounting and MEP support frames.
• Buying Tip for KSA: Use hot-dip galvanized or stainless strut hardware outdoors and in car parks to avoid rust.

Available From: Steel Corner Trading Est: +966 54 350 0097  |  United Eagle Trading Company (Boltec): +966 53 766 8500

Machine Screw Size Chart: Metric and Inch Threads

Common thread systems include: Metric Coarse Thread, Metric Fine Thread, UNC (Unified National Coarse), UNF (Unified National Fine) and DIN / ISO Metric Threads. For example, a DIN 7985 pan head machine screw uses standard metric pitches such as M3 × 0.5, M4 × 0.7, M5 × 0.8 and M6 × 1.0.

Machine Screw 1 Inch, 1.5 Inch and 2 Inch Lengths

Machine screw length is measured from under the head for pan, truss, cheese, round and socket heads, and from the top of the head for flat (countersunk) heads.

Machine Screw Variants by Material and Coating | Corrosion-Resistant Fasteners for Harsh Environments

Stainless Steel Machine Screws KSA

Stainless steel machine screws are the preferred choice across Saudi Arabia wherever screws are exposed to humidity, dust, salt air or cleaning chemicals. A2 (304) is the standard stainless grade for most outdoor and indoor-wet uses, while A4 (316) is recommended for coastal cities, desalination plants, marine equipment and chemical processing. Khusheim Store, Aetronix Saudi and Dar Assaad Trading Est list stainless steel machine screws, including DIN 965 countersunk, flat head and tamper-proof security screws.

Bulk Machine Screw Orders in KSA | Wholesale, Retail and Custom Manufacturing

• Retail Packs: Small packs of 50–100 screws for maintenance teams and workshops, available over the counter in Riyadh and Dammam.
• Wholesale Boxes: Boxes of 500–1,000+ pieces for contractors and resellers, typically SAR 20–150+ per box depending on size and material.
• Custom Machine Fasteners Saudi Arabia: Special lengths, non-standard heads, special materials and drawing-based parts can be produced by fastener manufacturers such as Al-Rashed Fasteners in Al Khobar, or sourced through Boltec in Riyadh.
• Documentation: For industrial and oil and gas projects, request material certificates, standard compliance and batch traceability.

Machine Screw Applications in Saudi Arabia

Machine Screw Price in KSA

Prices are indicative and depend on size, material, finish, brand and order quantity.

Machine Screw Brands Offered in KSA

Frequently Asked Questions