Quick Specs

What Buyers Should Know Before Sourcing DIN 444 Eye Bolts

DIN 444 eye bolts are not ordinary threaded rods with a loop. The eye geometry, shank length, thread length, and transition area between the eye and shank all affect fit and service behavior. In machinery and fixture work, a small dimensional difference can change how the bolt pivots, clamps, or aligns under load.

Buyers should also avoid confusing DIN 444 eye bolts with lifting eye bolts such as DIN 580. DIN 444 parts are commonly used for linkages, hinges, and tensioning assemblies. If the application involves lifting, suspension, or safety-critical loading, the load rating, proof test, inspection method, and engineering approval must be specified separately.

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

Common Purchasing Descriptions

A complete purchase description helps the factory check forming method, threading, coating, and inspection scope before quoting. Common RFQ wording includes:

• 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, nut and washer required.
• 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, export pallet and dimensional report required.

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

Detailed Specifications Table

Manufacturing and Quality Control

DIN 444 eye bolt manufacturing requires careful control of forming, eye geometry, shank straightness, thread accuracy, heat treatment where required, and surface finishing. The eye area must be checked for shape consistency, cracks, heavy folds, sharp burrs, and poor transition surfaces.

Factory Control Points

1. Review DIN 444 form, size list, drawing notes, grade, finish, and packing requirement.
2. Confirm raw material grade and heat number traceability when required.
3. Control eye inner diameter, eye outer diameter, eye thickness, 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. Inspect surface finish, coating coverage, thread function, and eye clearance after coating.
7. Pack by size, grade, finish, item code, and batch number for receiving control.

For non-standard eye dimensions or drawing-based parts, 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, 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.
• Distributor stock programs for metric eye bolts in different sizes and finishes.

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

How to Get a Faster Quotation

Factory quotation is faster when the RFQ includes both dimensional and application details. For DIN 444 eye bolts, the eye dimension is as important as the thread size.

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

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