Home » Phillips Raised Countersunk Screws (GB820-2015 / DIN 966 / ISO7047) - Stainless Steel (A2)

Phillips Raised Countersunk Screws (GB820-2015 / DIN 966 / ISO7047) - Stainless Steel (A2)

Phillips Raised Countersunk Screws (GB820-2015 / DIN 966 / ISO7047) — Stainless Steel A2 (SUS304)

FULLERKREG Phillips raised countersunk head screws (also known as oval head screws) conform to GB820-2015, DIN 966, and ISO 7047 standards. Manufactured from A2 stainless steel (SUS304) with a passivated and brightened surface finish, these screws combine a flush-seating countersunk base with a low-profile domed top — ideal for applications requiring a decorative, smooth appearance with corrosion resistance.

Product Overview

Product Name Phillips Raised Countersunk Head Screws (Oval Head)
Standards GB820-2015 / DIN 966 / ISO 7047
Material A2 Stainless Steel (SUS304 / 1.4301)
Surface Treatment Passivated & Brightened 
Drive Type Phillips (Cross / PH)
Head Type Raised Countersunk (Oval Head)
Size Range M2 – M10
Length Range 3 mm – 80 mm
Property Class A2-70
Packaging Bulk bag / Box (MOQ applies)

Key Features

  • ✅ Triple-standard compliance: GB820-2015, DIN 966, ISO 7047 — globally interchangeable
  • ✅ A2 Stainless Steel (SUS304): Excellent corrosion resistance for indoor and outdoor use
  • ✅ Raised countersunk (oval) head: Flush-seating base with decorative domed top for a clean finish
  • ✅ Phillips drive: Cross-shaped recess for easy alignment and high-torque driving
  • ✅ Passivated & brightened surface: Enhanced corrosion resistance and aesthetic appearance
  • ✅ Wide size range: M2 to M10, lengths from 3 mm to 80 mm
  • ✅ Wholesale & bulk supply: Competitive pricing for OEM, MRO, and distribution

Standard Comparison

Standard Region Full Name Equivalence
GB820-2015 China 十字槽半沉头螺钉 Equivalent to ISO 7047
DIN 966 Germany / Europe Linsenkopfschrauben mit Kreuzschlitz Superseded by ISO 7047
ISO 7047 International Raised Countersunk Head Screws — Phillips International reference standard

Dimensional Drawing

The raised countersunk (oval) head features a 90° countersunk angle with a convex dome on top. Length is measured from the top of the bevel (underside of head) to the tip of the shank.

[ Dimensional drawing — please insert technical drawing image here ]

Dimensional Data (GB820-2015 / DIN 966 / ISO 7047)

All dimensions in mm. Tolerances per standard specification.

Thread
d		 Pitch
p (mm)		 Head Dia.
dk (max)		 Head Height
k (ref)		 Dome Height
f (ref)		 Recess No.
H		 Recess Depth
m (min)		 Shank Dia.
ds		 Length Range
l (mm)		 Unit Weight
(g/pc) approx.
M2 0.40 4.0 1.2 0.5 PH1 0.6 2.0 3 – 20 —
M2.5 0.45 5.0 1.5 0.6 PH1 0.7 2.5 4 – 25 —
M3 0.50 6.0 1.65 0.7 PH1 0.9 3.0 5 – 30 —
M3.5 0.60 7.0 1.93 0.8 PH2 1.1 3.5 6 – 35 —
M4 0.70 8.0 2.20 0.9 PH2 1.3 4.0 6 – 50 —
M5 0.80 10.0 2.50 1.1 PH2 1.5 5.0 8 – 60 —
M6 1.00 12.0 3.00 1.3 PH3 1.8 6.0 10 – 70 —
M8 1.25 16.0 4.00 1.7 PH3 2.3 8.0 12 – 80 —
M10 1.50 20.0 5.00 2.1 PH4 2.8 10.0 16 – 80 —

* Unit weight (g/pc) column reserved — to be filled with measured values. All dimensions per GB820-2015 / DIN 966 / ISO 7047. Tolerances apply per standard.

Length Selection Guide

The following table shows the standard available lengths (mm) for each thread size. ✔ = available standard length.

Length (mm) M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
3 ✔
4 ✔ ✔
5 ✔ ✔ ✔
6 ✔ ✔ ✔ ✔ ✔
8 ✔ ✔ ✔ ✔ ✔ ✔
10 ✔ ✔ ✔ ✔ ✔ ✔ ✔
12 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
14 ✔ ✔ ✔ ✔ ✔ ✔ ✔
16 ✔ ✔ ✔ ✔ ✔ ✔ ✔
20 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
25 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
30 ✔ ✔ ✔ ✔ ✔ ✔ ✔
35 ✔ ✔ ✔ ✔ ✔ ✔
40 ✔ ✔ ✔ ✔ ✔
45 ✔ ✔ ✔ ✔ ✔
50 ✔ ✔ ✔ ✔ ✔
55 ✔ ✔ ✔ ✔
60 ✔ ✔ ✔ ✔
70 ✔ ✔ ✔
80 ✔ ✔

Material & Mechanical Properties

Property Value / Grade
Material Grade A2 (SUS304 / 1.4301 / 0Cr18Ni9)
Property Class A2-70
Tensile Strength (Rm) ≥ 700 MPa
Yield Strength (Rp0.2) ≥ 450 MPa
Elongation (A) ≥ 40%
Hardness (HV) Max 250 HV
Chromium Content 17.5 – 19.5%
Nickel Content 8.0 – 10.5%
Magnetic Slightly magnetic (work-hardened)
Surface Treatment Passivated & Brightened (natural silver)
Corrosion Resistance Excellent — suitable for wet, outdoor, and mild chemical environments
Operating Temperature -196°C to +800°C (intermittent)

Product Photos

[ Photo 1 ] [ Photo 2 ] [ Photo 3 ] [ Photo 4 ]

Typical Applications

  • 🔩 Electronics & appliances: Panel assembly, enclosure covers, control boxes
  • 🔩 Furniture & cabinetry: Decorative fastening where a smooth, domed finish is required
  • 🔩 Marine & outdoor equipment: Corrosion-resistant fastening in humid or saltwater-adjacent environments
  • 🔩 Automotive trim: Interior and exterior panel attachment
  • 🔩 Medical & food equipment: Hygienic, non-corroding fastening
  • 🔩 General engineering: Wherever a flush-seating head with decorative dome is specified

Ordering Information

Parameter Details
Part Number Format GB820 – M[size] × [length] – A2 (e.g. GB820 – M4×20 – A2)
MOQ Contact FULLERKREG for wholesale MOQ and pricing
Packaging Bulk polybag / small box / carton (customizable)
Lead Time Stock items: 3–7 days; Custom: 15–30 days
Certifications Material test report (MTR) available upon request; RoHS compliant

Why FULLERKREG?

🏭 Factory-direct supply — No middlemen, competitive wholesale pricing
📐 Strict dimensional control — 100% conformance to GB820-2015 / DIN 966 / ISO 7047
🔬 Material traceability — Full MTR and chemical composition reports available
🌍 Global export experience — Serving customers in Europe, North America, Southeast Asia
📦 Flexible packaging — Bulk, retail, or custom-labeled packaging available
⚡ Fast response — RFQ replied within 24 hours

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