SS Pan Head Machine Screw
Stainless steel pan head machine screws per ISO 7045 / DIN 7985 are externally threaded fasteners with a cylindrical head, Phillips or Pozi cross-recessed drive, and metric coarse threads from M2 to M10. Available in A2 (304) and A4 (316) stainless steel grades per ISO 3506.
Specification
#
Standard
ISO 7045 / DIN 7985
Thread
Coarse (standard)
Material
Stainless Steel 304 (A2)
Grade
A2-70
Stock
In stock (304). Grade 316 available against bulk order
Head Type
Pan head (raised cheese head)
Drive Type
Phillips (H) or Pozi (Z) cross-recessed
Thread Tolerance
6g per ISO metric standards
Finish
Plain/Passivated (stainless steel)
Dimension
#
Size (d mm)
Thread Dia (min-max mm)
Pitch
Length (mm)
Thread Length (mm)
M3
2.98-3.00
0.50
10
10
M4
3.98-4.00
0.70
12
12
M5
4.98-5.00
0.80
16
16
M6
5.97-6.00
1.00
20
20
M8
7.97-8.00
1.25
25
25
- All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.
Benefits
#
Pan head machine screws in stainless steel address several engineering challenges in metal-to-metal assembly. The flat bearing surface under the head distributes clamping force evenly across the joint, reducing localized stress and preventing surface damage on softer materials. Cross-recessed Phillips and Pozi drives provide better torque transfer than slotted alternatives, reducing cam-out during powered installation and improving assembly line throughput. Stainless steel construction eliminates the need for protective coatings that can chip, wear, or degrade over time, making these screws suitable for environments where corrosion would compromise carbon steel fasteners. The austenitic structure of A2 and A4 grades provides essentially non-magnetic properties, critical for electronics, medical devices, and instrumentation where magnetic interference must be avoided. The smooth head surface supports hygienic cleaning protocols in food processing and medical equipment.
Common Applications
#
Pan head machine screws are used across industries requiring reliable, removable threaded connections in metal assemblies.
- Consumer electronics and small machinery assembly
- Electrical enclosures and control panels
- Automotive interior components and body panels
- Industrial machinery and equipment manufacturing
- HVAC systems and ductwork connections
- Marine equipment and deck hardware
- Medical devices and hospital equipment
- Food processing equipment in hygienic environments
- Telecommunications and networking rack hardware
- Signage and display mounting systems
Read Me
| Standard | ISO 7045 / DIN 7985 |
| Thread | Coarse (standard) |
| Material | Stainless Steel 304 (A2) |
| Grade | A2-70 |
| Stock | In stock (304). Grade 316 available against bulk order |
| Head Type | Pan head (raised cheese head) |
| Drive Type | Phillips (H) or Pozi (Z) cross-recessed |
| Thread Tolerance | 6g per ISO metric standards |
| Finish | Plain/Passivated (stainless steel) |
| Size (d mm) | Thread Dia (min-max mm) | Pitch | Length (mm) | Thread Length (mm) |
|---|---|---|---|---|
| M3 | 2.98-3.00 | 0.50 | 10 | 10 |
| M4 | 3.98-4.00 | 0.70 | 12 | 12 |
| M5 | 4.98-5.00 | 0.80 | 16 | 16 |
| M6 | 5.97-6.00 | 1.00 | 20 | 20 |
| M8 | 7.97-8.00 | 1.25 | 25 | 25 |
