Engineered Component — GB/T 78 / ISO 4027 (Series 025) — GB/T 78 / ISO 4027
Engineered Component — GB/T 78 / ISO 4027 (Series 025) to GB/T 78 / ISO 4027. Full dimensional table, materials, finishes and quotation. 8 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 Engineered Component — GB/T 78 / ISO 4027 (Series 025)
Tell us the size, material, finish and quantity you need for Engineered Component — GB/T 78 / ISO 4027 (Series 025) (GB/T 78 / ISO 4027) 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.
Dimensions & Specifications (GB/T 78 / ISO 4027)
Every row below is a starting point for the customizer above — pick any size and the drawing will redraw to that row.
Size designation
Outer diameter / width (mm)
Length / height (mm)
Bore / thread (mm)
Material
Reference standard
Size 1
10
20
6
C45 carbon steel
GB/T 1804-m
Size 2
12
25
8
C45 carbon steel
GB/T 1804-m
Size 3
16
32
10
C45 carbon steel
GB/T 1804-m
Size 4
20
40
12
C45 carbon steel
GB/T 1804-m
Size 5
25
50
16
C45 carbon steel
GB/T 1804-m
Size 6
32
63
20
C45 carbon steel
GB/T 1804-m
Size 7
40
80
25
C45 carbon steel
GB/T 1804-m
Size 8
50
100
30
C45 carbon steel
GB/T 1804-m
Engineered Component — GB/T 78 / ISO 4027 (Series 025) are general components manufactured to GB/T 78 / ISO 4027. This page lists the full dimensional range with the key specifications engineers need to select and specify them.
What Are Engineered Component — GB/T 78 / ISO 4027 (Series 025)?
Engineered Component — GB/T 78 / ISO 4027 (Series 025) are general components defined by GB/T 78 / ISO 4027. 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 010 内六角锥端紧定螺钉gb78__包块A.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
General machinery assemblies where a source CAD component is required for selection or quotation.
Engineered Component — GB/T 78 / ISO 4027 (Series 025) are stocked and supplied to order. Pricing starts from approximately US$0.10 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 Engineered Component — GB/T 78 / ISO 4027 (Series 025) use?
Engineered Component — GB/T 78 / ISO 4027 (Series 025) are manufactured to GB/T 78 / ISO 4027 and use the standard drive for this product family. The dimensional values on this page follow that standard.
What sizes are available for Engineered Component — GB/T 78 / ISO 4027 (Series 025)?
The table on this page lists 8 sizes for Engineered Component — GB/T 78 / ISO 4027 (Series 025), ranging from Size 1 to Size 8. Sizes outside the table can be quoted on request.
In which materials are Engineered Component — GB/T 78 / ISO 4027 (Series 025) supplied?
Engineered Component — GB/T 78 / ISO 4027 (Series 025) are supplied in carbon steel and stainless, with finishes including zinc plating, hot-dip galvanizing and black oxide. Choose material and finish to suit the load and the service environment for Engineered Component — GB/T 78 / ISO 4027 (Series 025).
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.
