Home » DIN 7984 Low Head Socket Cap Screw A2 Stainless

DIN 7984 Low Head Socket Cap Screw A2 Stainless

FULLERKREG DIN 7984 A2 Stainless Steel Low Head Socket Cap Screws

FULLERKREG DIN 7984 A2 Stainless Steel Low Head Socket Cap Screws are corrosion-resistant, industrial-grade fasteners designed for applications requiring both a low-profile head and excellent resistance to rust and oxidation. Made from A2 (SUS304) austenitic stainless steel, they are ideal for food processing, marine, medical, chemical, and outdoor environments where standard carbon steel fasteners would corrode.

Product Specifications

  • Standard: DIN 7984
  • Material: A2 Stainless Steel (SUS304 / 18-8)
  • Strength Grade: A2-70
  • Tensile Strength: Min. 700 MPa
  • Hardness: ≤95 HRB (210–240 HV)
  • Surface Treatment: Passivation
  • Thread Tolerance: 6g
  • Drive Type: Hexagon socket (Allen key)
  • Sizes Available: M3 – M20

Material — A2 Stainless Steel (SUS304) Chemical Composition (%)

FULLERKREG DIN 7984 A2 low head cap screws are manufactured from SUS304 austenitic stainless steel. All values are maximum unless a range is indicated.

Grade C (max) Si (max) Mn (max) P (max) S (max) Cr Ni
SUS304 (A2) ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.00–20.00 8.00–10.50

Mechanical Properties — A2-70 (DIN 7984)

The following mechanical properties apply to FULLERKREG DIN 7984 A2-70 stainless steel low head socket cap screws per ISO 3506-1 requirements.

Property Requirement Unit
Tensile Strength (Rm) Min. 700 MPa
Proof Load Stress (Rp0.2) Min. 450 MPa
Hardness (max) ≤95 HRB / ≤210 HV HRB / HV
Elongation after fracture (A) Min. 25 %
Thread Tolerance Class 6g —
Corrosion Resistance Passivation treatment —

Key Features

  • Low profile head — reduced head height vs. DIN 912, ideal for space-constrained assemblies
  • A2 Stainless Steel (SUS304) — excellent corrosion resistance in most environments
  • Passivation surface treatment — enhanced oxide layer for superior rust resistance
  • Non-magnetic — suitable for applications sensitive to magnetic interference
  • Hygienic & food-safe — compliant for food processing and medical equipment use
  • ISO/TS16949 quality management — salt spray test, hardness test, tensile test, and PPAP report available on request

Applications

FULLERKREG DIN 7984 A2 stainless steel low head cap screws are widely used in:

  • Food processing and packaging machinery
  • Marine and offshore equipment
  • Medical devices and laboratory instruments
  • Chemical processing plants
  • Outdoor and architectural structures
  • Electronics and precision instruments requiring non-magnetic fasteners
  • Thin-panel and confined-space assemblies

Dimensional Specifications — DIN 7984 (Unit: mm)

Thread (d) Pitch (p) Head Dia. dk Max. Head Dia. dk Min. Head Height k Max. Head Height k Min. Key Size s Key Depth t Min. Body Dia. ds Max. Body Dia. ds Min.
M3 0.5 5.68 5.32 1.65 1.35 2 0.7 3.00 2.86
M4 0.7 7.22 6.78 2.20 1.80 2.5 1.0 4.00 3.82
M5 0.8 8.72 8.28 2.75 2.25 3 1.1 5.00 4.82
M6 1.0 10.22 9.78 3.30 2.70 4 1.4 6.00 5.82
M8 1.25 13.27 12.73 4.40 3.60 5 2.0 8.00 7.78
M10 1.5 16.27 15.73 5.50 4.50 6 2.5 10.00 9.78
M12 1.75 18.27 17.73 6.60 5.40 8 3.0 12.00 11.73
M14 2.0 21.33 20.67 7.70 6.30 10 3.5 14.00 13.73
M16 2.0 24.33 23.67 8.80 7.20 10 4.0 16.00 15.73
M20 2.5 30.33 29.67 11.00 9.00 12 5.0 20.00 19.67

Packaging & Availability

  • Standard sizes M3 – M20 available in stock
  • Bulk carton packaging; custom packaging available
  • Custom lengths and special requirements accepted for large orders
  • PPAP report, material certificate, and test reports available on request

Download Specification

Quality Assurance

All FULLERKREG DIN 7984 A2 stainless steel fasteners are manufactured under strict quality control procedures including:

  • Salt spray corrosion test
  • Hardness test (≤95 HRB)
  • Tensile strength test (min. 700 MPa)
  • Dimensional inspection per DIN 7984
  • PPAP documentation available upon request

For wholesale pricing, bulk orders, or technical inquiries, please contact our sales team.

Filter products
Clear all

84 Products