English 
Español 
Tiếng Việt 
Русский 
العربية DIN 912 socket head cap screws factory
XZ Fastener supplies DIN 912 socket head cap screws for machinery, equipment, automotive, mold, fixture, and industrial assembly buyers who need reliable hex socket fastening in metric sizes. These screws can be supplied in alloy steel, stainless steel 304/316, and other materials according to order requirement, with strength classes and finishes selected for load, corrosion exposure, and appearance. Orders may include standard DIN 912 dimensions, ISO 4762 equivalent requirements, or custom length and packaging requests. Buyers can send drawings, size lists, finish needs, and inspection requirements for quotation review.
Quick Specs
What Buyers Should Know Before Sourcing DIN 912 Socket Head Cap Screws
DIN 912 socket head cap screws are used where a cylindrical head, internal hex drive, and compact installation space are required. Buyers should confirm diameter, length, thread pitch, full or partial thread, strength class, material, surface finish, drive size, and tolerance before placing an order. XZ Fastener supplies related hex socket head cap screw options for machinery and equipment buyers who need stable assembly performance.
For custom or mixed fastener orders, drawings and clear size lists help prevent wrong lengths, incorrect grades, and mismatched finishes. If your project includes several fastener types, XZ Fastener can support standard socket screws together with fastener products such as nuts, washers, hex bolts, threaded rods, and anchors.
Common Purchasing Descriptions
- DIN 912 socket head cap screws in alloy steel class 12.9 black oxide
- ISO 4762 stainless steel 304 and 316 socket head cap screws
- Metric Allen head cap screws for machinery and equipment assembly
- DIN 912 M3 to M36 socket cap screws with custom finish
- High tensile socket head cap screws for molds, jigs, and fixtures
- DIN 933 full thread hex bolts supplied with socket screws for mixed orders
- Grade 8.8 carbon steel hex bolts and metric hex head bolts for project kits
- zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts for related fastener purchasing lists
Detailed Specifications Table
| Specification Item | Available Options | Buyer Notes |
|---|---|---|
| Product Name | DIN 912 socket head cap screws, ISO 4762 socket cap screws, Allen head cap screws | Confirm whether DIN 912 or ISO 4762 dimensions are required for your drawing or purchase order. |
| Size Range | M3 to M36 commonly requested; other sizes can be reviewed according to order requirement | Send diameter, length, pitch, and quantity for each size. |
| Thread | Metric coarse, metric fine, full thread, partial thread, and special pitch | Thread pitch and tolerance should be stated when mating with tapped holes or custom nuts. |
| Material | Alloy steel, carbon steel, stainless steel 304, stainless steel 316, brass, and specified materials | Material should match working load, corrosion exposure, and temperature conditions. |
| Strength Grade | 8.8, 10.9, 12.9, A2-70, A4-70, A4-80, and specified grades | Class 12.9 is common for high-strength alloy steel socket screws, but the correct grade depends on the application. |
| Drive | Internal hex socket; custom drive requirements can be reviewed for non-standard parts | Confirm the socket size if tool compatibility is critical for assembly. |
| Surface Finish | Plain, black oxide, zinc plated, nickel plated, phosphate, Dacromet, Geomet, passivation | Coating thickness and hydrogen embrittlement risk should be considered for high-strength screws. |
| Inspection | Dimensional check, thread gauge, socket gauge, hardness, tensile test, coating thickness, visual inspection | Inspection requirements can be listed before order confirmation. |
| Packaging | Bulk cartons, small boxes, bags, labels, pallets, project kits, and private-label packing | Packaging can be arranged according to distributor, warehouse, or assembly line requirements. |
Material and Grade Explanation
Alloy steel DIN 912 socket head cap screws are commonly used where high tensile strength and compact head design are required. Class 12.9 black oxide screws are widely selected for molds, machinery, tooling, and fixtures, while class 8.8 or 10.9 may be suitable for less demanding equipment assemblies. Stainless steel 304 and 316 socket screws are selected where corrosion resistance is more important than very high tensile strength.
For material comparison by load, environment, and mating parts, buyers can review XZ Fastener’s fastener material selection guide. If stainless parts are required, the DIN 912 ISO 4762 stainless socket screw page provides a relevant product reference.
Surface Finish Selection Guide
Black Oxide
Common for alloy steel socket head cap screws used in machinery, molds, tools, and equipment. Oil protection and proper packaging should be considered for storage and shipment.
Plain Alloy Steel
Used when further treatment, oiling, or buyer-side processing is required. Confirm rust prevention needs if goods will be stored or shipped for a long time.
Zinc Plated
Suitable for general equipment and indoor assemblies. For high-strength parts, plating process and hydrogen embrittlement risk should be discussed before production.
Dacromet / Geomet
Can be considered for stronger corrosion resistance on selected high-strength fasteners. Coating thickness and socket cleanliness should be checked.
Nickel Plated
Used for bright appearance, wear resistance, and some equipment applications. Cosmetic inspection requirements should be agreed before production.
Stainless Passivation
Available for stainless steel 304 and 316 screws according to order requirement. Grade selection should match the working environment.
For a practical comparison of dark, zinc, and corrosion-resistant finishes, buyers can review the black oxide vs zinc plated fastener guide and the broader surface finish comparison chart.
Manufacturing and Quality Control
DIN 912 socket head cap screw production may include wire preparation, cold heading, socket forming, thread rolling, heat treatment, surface finishing, sorting, inspection, and packaging. For high-strength alloy steel screws, heat treatment and surface condition must be controlled carefully. For stainless steel screws, thread quality, head dimensions, and surface cleanliness are important for assembly reliability.
Quality control can include head diameter, head height, socket depth, thread length, pitch, hardness, tensile strength, coating thickness, and visual checks. Buyers can review XZ Fastener’s thread inspection methods and fastener quality control process before listing inspection requirements in the purchase order.
Applications
- Machinery frames, motor housings, and equipment assemblies
- Molds, dies, jigs, fixtures, and tooling plates
- Automotive components, motorcycle parts, and mechanical repairs
- Robotics, automation equipment, and compact installation spaces
- Electrical equipment, instrument panels, and precision assemblies
- Furniture hardware, brackets, and metal structures requiring flush tool access
- OEM production lines using mixed screw, bolt, nut, and washer kits
- Maintenance stock for factories, workshops, and industrial distributors
How to Get a Faster Quotation
To receive a faster quotation, send the DIN 912 size list, diameter, length, thread pitch, material grade, strength class, finish, quantity, packaging method, inspection requirements, and destination country. If the screws must match an existing tapped hole, include mating part details and assembly photos. For non-standard length, special thread, or custom packaging, drawings are helpful.
If your inquiry includes several products, send all items together so XZ Fastener can review the complete order. Buyers can use the fastener quotation information guide before sending files, or contact XZ Fastener for project-specific purchasing support.
FAQ
Can XZ Fastener supply DIN 912 socket head cap screws in class 12.9?
Yes. Alloy steel DIN 912 socket head cap screws can be supplied in high-strength grades such as 10.9 and 12.9 according to size, finish, and order requirement.
What is the difference between DIN 912 and ISO 4762 socket screws?
DIN 912 and ISO 4762 both refer to metric socket head cap screws, but buyers should confirm the exact standard required in the drawing or purchase order because dimensional details may differ by specification.
Can stainless steel DIN 912 socket head cap screws be supplied?
Yes. Stainless steel 304 and 316 socket head cap screws can be supplied for applications requiring corrosion resistance. A2 and A4 grade requirements should be stated in the inquiry.
Which finish is common for alloy steel DIN 912 screws?
Black oxide is commonly used for alloy steel socket head cap screws. Zinc plated, phosphate, Dacromet, Geomet, and other finishes can also be discussed according to application needs.
Can DIN 912 screws be packed in small boxes or project kits?
Yes. Packaging can be arranged as bulk cartons, small boxes, bags, labels, pallets, or project kits according to warehouse handling and assembly line requirements.
What information is needed for a DIN 912 socket screw quotation?
Please send diameter, length, thread pitch, material, strength grade, finish, quantity, packaging, inspection requirements, and destination country. Drawings are recommended for non-standard parts.
Send Your DIN 912 Socket Head Cap Screw Requirements
Send your size list, material grade, strength class, finish, quantity, packaging method, and inspection requirements. XZ Fastener can review DIN 912 socket head cap screws together with nuts, washers, hex bolts, threaded rods, and other fasteners for complete project or OEM purchasing orders.