Quick Specs

What Buyers Should Know Before Sourcing DIN 444 Eye Bolts

DIN 444 eye bolts need more detail than a simple diameter and length. The eye inner diameter, eye thickness, shank length, thread length, and transition area determine how the part works with pins, hooks, brackets, and linkage hardware.

Buyers should also separate DIN 444 eye bolts from lifting eye bolts such as DIN 580. DIN 444 is commonly used for hinges, tensioning points, clamping assemblies, and adjustable connections. If the application involves lifting or safety-critical loading, load rating, proof testing, and engineering approval must be specified separately.

For related product planning, buyers can compare DIN 444 parts with other industrial bolts and standard fasteners.

Common Purchasing Descriptions

Bulk order RFQs should be written so production, inspection, and packing teams can follow the same requirement. Common descriptions include:

• DIN 444 eye bolt, M8 x 60, Class 4.8, zinc plated, eye inner diameter confirmed by drawing.
• DIN 444 eye bolt, M10 x 80, Class 8.8 carbon steel, black oxide, supplied with nut and washer.
• DIN 444 eye bolt, M12 x 100, stainless steel A2-70, passivated finish, small box packing.
• DIN 444 metric eye bolts, mixed sizes, hot dip galvanized, barcode labels and dimensional report required.

For broader purchasing programs, buyers can review XZ Fastener’s fastener products and request related custom fasteners when the eye geometry, shank length, or thread detail differs from standard parts.

Detailed Specifications Table

Manufacturing and Quality Control

Bulk manufacturing of DIN 444 eye bolts requires repeatable control over forming, eye geometry, shank straightness, thread rolling, heat treatment where required, surface finishing, and final packing. The eye area must be checked for cracks, heavy folds, sharp burrs, poor transition surfaces, and dimensional inconsistency.

Bulk Order Control Points

1. Review DIN 444 form, size list, drawing notes, material, grade, finish, and packing requirement.
2. Confirm raw material grade and heat number traceability when required.
3. Inspect eye inner diameter, eye outer diameter, eye thickness, shank length, and shank straightness.
4. Verify thread pitch, thread length, go/no-go gauge fit, and burr condition.
5. Apply heat treatment according to specified property class where applicable.
6. Check coating appearance, coverage, thread function, and eye clearance after surface treatment.
7. Pack by item code, size, grade, finish, and batch number for bulk receiving control.

For non-standard eye dimensions, drawing-based parts, or special packaging rules, XZ Fastener can review requirements through its customized service. Buyers comparing DIN references can also use the DIN and ISO fastener standards guide.

تطبيقات

DIN 444 eye bolts are used where a threaded shank must connect with a pin, hook, linkage, bracket, or adjustable clamping point. Common applications include:

• Machinery hinges and pivoting connections.
• Clamping fixtures, jigs, and adjustable tooling.
• Tensioning systems for guards, panels, and light frames.
• Construction hardware, brackets, and industrial equipment assemblies.
• Bulk distributor programs for metric eye bolts in different sizes and finishes.

When the assembly requires matching flat washers, include them in the RFQ so fit and packing can be checked together.

How to Get a Faster Quotation

Bulk order quotation is faster when the RFQ includes dimensional, packing, and document requirements at the beginning. For DIN 444 eye bolts, the eye dimension is as important as the thread size.

For bulk order review, buyers can contact XZ Fastener with drawings, samples, photos, or a detailed purchasing sheet.

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