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General Components · GB/T 5783 / ISO 4017

T 5783 Custom Hex Bolt (GHJ Series) Dimensions

T 5783 Custom Hex Bolt (GHJ Series) Dimensions reference image

For custom hex bolt (ghj series), T 5783 defines the dimensions, tolerances and product grades. The sections below describe the scope of the document, the properties it deliberately leaves to companion standards, and the equivalent designations across standards bodies.

T 5783 — Scope

T 5783 specifies the dimensions and tolerances of custom hex bolt (ghj series) — gb/t 5783 / iso 4017 (series 009). Material, property class, surface finish and packaging are governed by separate documents in the same standards family (for example ISO 898-1 for the mechanical property classes of bolts and screws).

Tolerance & Product Grades

T 5783, alongside the related GB/T 5783 / ISO 4017 entries on this site, specifies product grades (typically A or B for fine work and C for general engineering) and tolerance classes for the controlling dimensions. Choose the grade against the precision your application requires.

Dimensions Specified by T 5783

Size designationOuter diameter / width (mm)Length / height (mm)Bore / thread (mm)MaterialReference standard
Size 110206C45 carbon steelGB/T 1804-m
Size 212258C45 carbon steelGB/T 1804-m
Size 3163210C45 carbon steelGB/T 1804-m
Size 4204012C45 carbon steelGB/T 1804-m
Size 5255016C45 carbon steelGB/T 1804-m
Size 6326320C45 carbon steelGB/T 1804-m
Size 7408025C45 carbon steelGB/T 1804-m
Size 85010030C45 carbon steelGB/T 1804-m

Equivalent Standards

Where direct equivalents exist (ISO ↔ DIN, ISO ↔ ASME), they are listed on the parent Custom Hex Bolt (GHJ Series) — GB/T 5783 / ISO 4017 (Series 009) page. Always confirm against the dimensions on this page, since some "equivalent" standards differ in tolerances and head geometry.

When to Specify T 5783

Choose T 5783 for international engineering work and OEM supply where ISO standards are the contractual reference. It is the default modern specification for custom hex bolt (ghj series) — gb/t 5783 / iso 4017 (series 009).

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

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Specification
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Dimensions & Specifications (GB/T 5783 / ISO 4017)

Size designationOuter diameter / width (mm)Length / height (mm)Bore / thread (mm)MaterialReference standard
Size 110206C45 carbon steelGB/T 1804-m
Size 212258C45 carbon steelGB/T 1804-m
Size 3163210C45 carbon steelGB/T 1804-m
Size 4204012C45 carbon steelGB/T 1804-m
Size 5255016C45 carbon steelGB/T 1804-m
Size 6326320C45 carbon steelGB/T 1804-m
Size 7408025C45 carbon steelGB/T 1804-m
Size 85010030C45 carbon steelGB/T 1804-m

Frequently Asked Questions

What product grades does T 5783 define?

T 5783 typically distinguishes product grades for precision (A/B) and general engineering (C). The selection for Custom Hex Bolt (GHJ Series) — GB/T 5783 / ISO 4017 (Series 009) depends on the precision your application requires.

Does T 5783 specify the mechanical strength?

No. T 5783 controls only the geometry of custom hex bolt (ghj series) — gb/t 5783 / iso 4017 (series 009). The mechanical strength is set by ISO 898-1 (bolts / screws) or ISO 898-2 (nuts), and the finish is governed by separate standards.

Can I substitute T 5783 for the corresponding DIN standard on a drawing?

On modern drawings the ISO standard is the master reference; the older DIN equivalent is a cross-reference. For most dimensional purposes the parts are interchangeable, but check tolerance grades and the head height — these are the most common points of divergence.

When did T 5783 last revise its dimensional table?

ISO standards for custom hex bolt (ghj series) — gb/t 5783 / iso 4017 (series 009) are reviewed on roughly a five-year cycle. Always reference the latest published edition (or the edition cited contractually); the dimensional table on this page reflects the current commercially-supplied form.

How do I request a quotation?

Use the technical drawing on this page to pick the exact configuration, then submit it with the quote form. We respond within one business day.