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Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) — GB/T 5281 / ISO 7379

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) to GB/T 5281 / ISO 7379. Full dimensional table, materials, finishes and quotation. 14 sizes listed.

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.

Request a Quotation for Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016)

Tell us the size, material, finish and quantity you need for Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) (GB/T 5281 / ISO 7379) and our team will respond within one business day. Click "Request this configuration" on the drawing above to send the parameters you just chose straight into this form.

Request a Quotation

Specification
Business Information

Dimensions & Specifications (GB/T 5281 / ISO 7379)

Every row below is a starting point for the customizer above — pick any size and the drawing will redraw to that row.

SizePitch (mm)Length L (mm)Head diameter dk (mm)Head height k (mm)Hex socket s (mm)Reference standard
M142.08021.01412.0ISO 4762 / GB/T 70.1
M182.510027.01814.0ISO 4762 / GB/T 70.1
M243.015036.02419.0ISO 4762 / GB/T 70.1
M303.518045.03022.0ISO 4762 / GB/T 70.1
M364.020054.03627.0ISO 4762 / GB/T 70.1

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) (GB/T 5281 / ISO 7379) are a type of screws used across industrial assembly. Below is the complete size table together with material, standard and application guidance.

What Are Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016)?

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) are screws defined by GB/T 5281 / ISO 7379. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.

CAD Source Reference

This product page corresponds to the source drawing file 005 内六角圆柱头轴肩螺钉 gb-t 5281-1985__内六角圆柱头螺钉__内六角圆柱头螺钉.svg. Its illustration is rebuilt in JavaScript as a simplified continuous-line technical schematic rather than embedding the original traced SVG.

Materials & Finishes

Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.

Typical Applications

Machine assembly, tooling, enclosures and precision equipment where a clean, controllable drive and head form are needed.

Related Fasteners

Pricing

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) are stocked and supplied to order. Pricing starts from approximately US$0.050 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Submit your exact configuration with the quote form above.

Frequently Asked Questions

What standard and drive type do Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) use?

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) are manufactured to GB/T 5281 / ISO 7379 and use a hex socket (Allen key). The dimensional values on this page follow that standard.

What sizes are available for Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016)?

The table on this page lists 14 sizes for Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016), ranging from M3 to M36. Sizes outside the table can be quoted on request.

In which materials are Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) supplied?

Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) are supplied in alloy steel (typically 10.9 / 12.9 for socket screws), carbon steel and stainless A2 / A4, with finishes including zinc plating, hot-dip galvanizing and black oxide. Choose material and finish to suit the load and the service environment for Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016).

Which Allen key sizes fit Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016)?

The hex-socket size for each row of Socket Head Cap Screw — GB/T 5281 / ISO 7379 (Series 016) is shown in the spec table — use the matching Allen / hex key (an ISO 2936 hex key set covers the full range).

How do I request a quotation?

Use the parametric drawing on this page to set the exact configuration (size, material, finish) and click "Request this configuration" — a specialist from engineeringhardware.com will respond within one business day.