Socket Head Cap Screws M20×50 8.8 Carbon Steel Zinc Plated
Specifications
- Standard
- GB/T 70.1
- SKU
- SHCS-000352
- Nominal Diameter
- M20
- Length
- 50 mm
- Material
- Carbon Steel
- Grade
- 8.8
- Finish
- Zinc Plated
- Thread Pitch
- 2.5
- Unit Weight
- 200 g/pc Geometry-based estimate, not an inspection weight, for quotation and freight planning
- Type
- Standard Part
Standard Basis
GB/T 70.1
Common equivalents below; confirm dimensions and drawing before substitution.
Spec Range
M20 × 50mm · 同族 201 个规格
This SKU is sourced per order; other lengths/materials in this family below.
Material & Grade
Carbon Steel · 8.8
Quenched & tempered, Rm≥800 MPa (Rp0.2=640), standard high-strength
Surface & Finish
Zinc Plated
Electro zinc: indoor rust protection, cost-first
Standard Equivalents
Equivalence is based on published standard-family information (Identical = interchangeable; Equivalent = dimensions/tolerances may differ, verify drawings before substitution).
| System | Standard | Equivalence | Note |
|---|---|---|---|
| GB | GB/T 70.1 Primary | Identical | Chinese socket head cap screw standard family |
| ISO | ISO 4762 | Equivalent | Common commercial equivalent; confirm dimensions on order |
| DIN | DIN 912 | Equivalent | Common commercial equivalent; confirm dimensions on order |
| ГОСТ | ГОСТ 11738-84 | Equivalent | Socket head cap screw standard; title references ISO 4762-77. Size range narrower than DIN 912, property classes differ - confirm drawing |
Where It Fits
Heavy-Duty / Structural
8.8 quenched & tempered, equipment erection, structural joints, vibration duty
Custom to Drawing
Lengths/materials/grades not listed can be manufactured to drawing or standard
Related Reading
FAQ
MOQ and lead time?
Sourced per order or made to drawing. MOQ and lead time are confirmed at quote time by quantity, material and finish. Other sizes in this family are listed above; unlisted specs can be sourced to your drawing.
Can material or grade be substituted?
Current grade: Quenched & tempered, Rm≥800 MPa (Rp0.2=640), standard high-strength. Swapping grade/material changes strength and corrosion resistance (e.g. 8.8→10.9 raises strength, 304→316 raises chloride resistance), re-check design load and environment before substitution.
How do I choose the finish?
Electro zinc: indoor rust protection, cost-first. Other finishes (HDG, Dacromet, electro zinc) can be quoted on the same size.
Other Sizes in this Family
201 sizes total · current M20×50
M4 32 sizesShow ▾
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
M5 36 sizesShow ▾
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
M6 50 sizesShow ▾
Carbon Steel · 8.8 · Hot-Dip Galvanized
Stainless 304 · A2-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
M8 53 sizesShow ▾
Stainless 316L · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
M10 29 sizesShow ▾
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Carbon Steel · 8.8 · Zinc Plated
Stainless 304 · A2-70 · Plain
Stainless 316L · A4-70 · Plain
Alloy Steel · 12.9 · Black Oxide
Need a quote for this spec?
Add to your inquiry list, a detailed quote comes back within 24 hours.