Structural & Machinery
DIN 933 / ISO 4017 Hex Head Screws
Precision fully threaded metric hexagon bolts in high-tensile 8.8/10.9 steel and A2/A4 stainless, bright zinc plated for corrosion resistance.
Catalogue
Industrial Hardware and Fasteners
High-tensile bolting, nuts, threaded rod and rivets in corrosion-resistant alloys.
Capability
Hex and socket head bolts in class 8.8 through 12.9, standard and flanged nuts, threaded rod, and solid, blind and structural rivets. Corrosion-resistant grades include stainless A2 and A4, titanium Gr.5 and Inconel 718. Every line ships against an EN 10204 3.1 mill certificate.
- Structural steel and plant assembly
- Marine and offshore corrosion service
- High-stress machinery and motorsport assembly
- Maintenance and spares consolidation
Full Specification
| Grade | Class 8.8 / 10.9 / 12.9, A2-70, A4-80 |
|---|---|
| Material | Alloy steel, stainless 304 / 316, titanium Gr.5, Inconel 718 |
| Types | Hex and socket bolts, flanged nuts, threaded rod, rivets |
| Size range | M3-M36 (#4-40 to 1-1/2 in), lengths 6-300 mm (0.24-11.8 in) |
| Standard | DIN 933 / 912 / 985, ISO 4014, ASTM A193, GB/T 5782 |
| Finish | Plain, zinc, geomet, PTFE, passivated |
| MOQ | 500 pieces per size |
| Lead time | 3-12 days |
| Certification | EN 10204 3.1 mill certificate |
Request a Quote for This Division Spec Sheet in Preparation
Stock items, 3–12 days · MOQ 500 pieces per size
Standard & Precision Fastener Range
High-volume metric and imperial fastening solutions conforming to DIN, ISO, ASTM, and GB specifications with full batch traceability and mill certificates.
Tooling & Automation
DIN 912 / ISO 4762 Socket Head Cap Screws
High-tensile Grade 12.9 black oxide and stainless socket cap screws with precision internal hex drive for recessed high-load assembly.
Electronics & Enclosures
ISO 7380-2 Flanged Button Head Screws
Low-profile domed head with integrated bearing flange in Grade 10.9 zinc plated steel, preventing pull-through on thin sheet metal.
Flush Surface Mounting
DIN 7991 / ISO 10642 Countersunk Socket Screws
90° flat countersunk head with precision hex drive, engineered for seamless flush mating surfaces in precision machinery and slides.
Mass Assembly & MRO
DIN 934 / ISO 4032 Standard Hexagon Nuts
Standard metric hexagon nuts in Property Class 8 and Class 10 galvanized steel and ISO 4032 A2 stainless steel with precision thread tolerances.
Anti-Vibration Locking
DIN 985 / ISO 10511 Nylon Insert Lock Nuts
Prevailing torque self-locking hex nuts with integrated blue nylon insert collar that prevents dynamic loosening under severe vibration.
Load Distribution & Safety
DIN 125A & Nord-Lock® Wedge Washers
Standard flat washers and dual-wedge locking pair washers with radial cams for maximum joint security in dynamic shock environments.
Suspension & Structural
DIN 975 / DIN 976-1 Metric Threaded Rods
Continuous metric all-thread bars in Grade 4.8 / 8.8 and stainless steel, precision rolled for pipe suspension, anchoring, and HVAC framing.
Food & Cleanroom Tech
Lubrinox® Anti-Galling Stainless Fasteners
Pre-lubricated A4-80 stainless steel fasteners with FDA-compliant dry film coating that eliminates thread galling without manual grease.
Roofing & Cladding
DIN 7504 Self-Drilling Tek Screws
Hex washer head self-drilling screws with drill point tip and vulcanized EPDM rubber sealing washer for watertight metal sheet fastening.
Single-Sided Sheet Joining
DIN 7337 Blind Rivets & Knurled Inserts
Dome head break-mandrel blind pop rivets and internal threaded knurled rivet nuts for fast, permanent assembly in thin tubular sections.
Concrete & Civil Anchoring
ETA-Approved Heavy Duty Wedge Anchors
European Technical Assessment approved throughbolts with expanding collar sleeve for high-load anchoring into cracked and uncracked concrete.
Fluid Lines & Cooling
DIN 3017 Worm Drive Hose Clamps
Precision embossed stainless steel band with slotted hex screw housing, providing uniform 360° clamping pressure for industrial fluid and cooling lines.
Piping & High-Pressure Systems
Heavy-Duty Industrial Pipe Clamps
High-tensile stainless and carbon steel heavy-duty pipe clamps engineered for rigid, vibration-resistant mounting of industrial process piping and pressure conduits.
Shaft Component Retention
DIN 471 External Retaining Rings (Circlips)
Spring steel external snap rings with precision lug holes, designed for secure axial retention of bearings, gears, and pulleys in machined shaft grooves.
Structural Pipe Clamping
DIN 3570 Threaded Pipe U-Bolt Clamps
Heavy-duty stainless steel and galvanized U-bolt clamps with dual hex nuts and mounting saddles, designed for rigid anchoring of process piping to structural frames.
Have a custom composite layup or CAD geometry? We supply autoclave prepreg parts, CNC-trimmed molds, and batch production.
Request a Quote for This DivisionFrequently Asked Questions
Technical specifications, standards, and export details for this division.
What property classes and material grades of fasteners do you supply?
We supply high-tensile carbon and alloy steel fasteners in Property Class 8.8, 10.9, and 12.9, as well as stainless steel (A2-70, A4-80), titanium Grade 5, and Inconel 718.
Which international fastener standards do you manufacture to?
Our inventory conforms to DIN (e.g., DIN 933, DIN 912, DIN 985, DIN 7991), ISO (ISO 4014, ISO 4017, ISO 7380), ASTM (A193, A194), and GB standards.
Are material test certificates provided with fastener orders?
Yes. Every shipment includes an EN 10204 3.1 Inspection Certificate certifying mechanical properties, chemical composition, and heat number traceability.