DIN 965 Countersunk (CSK) Pozidriv Machine Screw Technical Datasheet
DIN 965 Pozidriv Countersunk Head Machine Screw (Cross Recess Type Z)
DIN 965 Pozidriv Countersunk Head Machine Screws are metric machine screws featuring a 90° countersunk (flat) head with a Pozidriv (Type Z) cross recess drive. The countersunk head sits flush with the surface after installation, while the Pozidriv drive offers improved torque transmission, reduced cam-out, and better driver engagement compared to conventional Phillips drives.
Although DIN 965 has been superseded by ISO 7046-1, it remains widely specified in machinery, electrical equipment, furniture, sheet metal fabrication, automation systems, and industrial assemblies. Pozidriv variants are especially popular in Europe where higher tightening torque and reduced driver slippage are desired.
Table of Contents
ITEM CODE: 1062
Standards
| Standard | Status |
|---|---|
| DIN 965 | Original Standard |
| DIN EN ISO 7046-1 | Current International Equivalent |
| ISO 7046-1 | Equivalent Replacement |
Dimensions
| d1 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|
| d2 | 3 | 3.8 | 4.7 | 5.6 | 7.5 | 9.2 | 11 | 14.5 | 18 |
| k max | 0.96 | 1.2 | 1.5 | 1.65 | 2.2 | 2.5 | 3 | 4 | 5 |
| m ∼ | 1.7 | 2.35 | 2.7 | 2.9 | 4.4 | 4.6 | 6.6 | 8.7 | 9.6 |
| Bit | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 4 |
all dimensions in mm
Dimensions Tolerances:
General dimensional tolerances for standard metric fasteners—including thread diameter, overall length, head diameter, head height/thickness, across flats, and washer dimensions—are available in our Standard Dimensional Tolerances for Common Metric Fasteners guide.
Certain product-specific features, such as drive recess dimensions, socket depth, countersink geometry, under-head radii, and other special characteristics, are governed by the applicable DIN or ISO product standard and may not included in this datasheet.
Download Technical Datasheets
Stainless Steel
| Grade | Download |
|---|---|
| A2-70 (SS304) | ⬇️ Download Datasheet |
| A4-70 (SS316) | ⬇️ Download Datasheet |
Carbon Steel
| Property Class | Download |
|---|---|
| 4.8 | ⬇️ Download Datasheet |
| 8.8 | ⬇️ Download Datasheet |
Mechanical Properties
| Material / Property Class | Tensile Strength | Yield Strength | Standard |
|---|---|---|---|
| Steel 4.8 | ≥ 400 MPa | ≥ 320 MPa | ISO 898-1 |
| Steel 8.8 | ≥ 800 MPa | ≥ 640 MPa | ISO 898-1 |
| Stainless Steel A2-70 | ≥ 700 MPa | ≥ 450 MPa | ISO 3506-1 |
| Stainless Steel A4-70 | ≥ 700 MPa | ≥ 450 MPa | ISO 3506-1 |
| Titanium Grade 2 | Approx. 345 MPa | Approx. 275 MPa | ASTM B348 |
| Titanium Grade 5 | Approx. 895 MPa | Approx. 828 MPa | ASTM B348 |
Material Characteristics and Recommended Applications
| Material | Characteristics | Typical Applications |
|---|---|---|
| Steel Class 4.8 | General-purpose fastening | Electrical assemblies, furniture |
| Steel Class 8.8 | Higher tensile strength | Industrial machinery |
| Stainless Steel A2 (304) | Excellent corrosion resistance | Food processing, HVAC, electrical panels |
| Stainless Steel A4 (316) | Superior corrosion resistance | Marine, offshore, chemical plants |
| Brass | Non-magnetic, decorative, conductive | Electrical equipment, instrumentation |
| Titanium Grade 2 | Lightweight, corrosion resistant | Aerospace, medical equipment |
| Titanium Grade 5 | High strength-to-weight ratio | Aerospace, motorsports, high-performance engineering |
Technical Specifications
| Property | Specification |
|---|---|
| Standard | DIN 965 |
| ISO Equivalent | ISO 7046-1 |
| Head Style | Countersunk (Flat Head) |
| Head Angle | 90° |
| Drive | Pozidriv (Type Z) |
| Thread Type | ISO Metric Coarse |
| Thread Direction | Right Hand |
| Thread Form | Fully Threaded |
| Typical Diameter Range | M2 – M10 |
| Typical Length Range | 3 mm – 100 mm |
| Property Class (Steel) | 4.8 / 8.8 |
| Stainless Steel Grades | A2-70, A4-70 |
| Titanium Grades | Grade 2, Grade 5 |
DIN 965 CSK Pozidriv Head Screw Weight Chart
Weight in kgs. per 1,000 pcs. All weights are approximations.
| Diameter/ Length | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 0.058 | 0.101 | 0.175 | ||||||
| 4 | 0.069 | 0.119 | 0.206 | 0.29 | |||||
| 5 | 0.061 | 0.137 | 0.236 | 0.335 | 0.676 | ||||
| 6 | 0.093 | 0.152 | 0.266 | 0.379 | 0.754 | 1.21 | |||
| 8 | 0.116 | 0.193 | 0.326 | 0.467 | 0.91 | 1.45 | 2.19 | ||
| 10 | 0.139 | 0.231 | 0.386 | 0.555 | 1.06 | 1.7 | 2.54 | 5.03 | |
| 12 | 0.162 | 0.268 | 0.446 | 0.643 | 1.22 | 1.95 | 2.89 | 5.67 | 9.59 |
| 14 | 0.185 | 0.306 | 0.507 | 0.731 | 1.37 | 2.19 | 3.25 | 6.3 | 10.6 |
| 16 | 0.206 | 0.343 | 0.567 | 0.82 | 1.53 | 2.44 | 3.6 | 6.94 | 11.6 |
| 18 | 0.381 | 0.627 | 0.908 | 1.68 | 2.69 | 3.95 | 7.57 | 12.6 | |
| 20 | 0.417 | 0.687 | 0.996 | 1.84 | 2.94 | 4.31 | 8.21 | 13.6 | |
| 22 | 0.747 | 1.08 | 1.99 | 3.18 | 4.66 | 8.84 | 14.6 | ||
| 25 | 0.838 | 1.22 | 2.22 | 3.55 | 5.19 | 9.79 | 16.1 | ||
| 28 | 1.35 | 2.46 | 3.93 | 5.72 | 10.7 | 17.6 | |||
| 30 | 1.44 | 2.61 | 4.16 | 6.08 | 11.4 | 18.6 | |||
| 35 | 3 | 4.65 | 6.96 | 13 | 21.1 | ||||
| 40 | 3.38 | 5.4 | 7.84 | 14.6 | 23.6 | ||||
| 45 | 6.02 | 8.73 | 16.2 | 26.1 | |||||
| 50 | 17.8 | 28.6 | |||||||
| 55 | 19.4 | 31.1 | |||||||
| 60 | 33.7 |
Applications
DIN 965 CSK Pozidriv Screws are commonly used in:
- Electrical Control Panels
- Sheet Metal Fabrication
- Telecom Equipment
- Electronics Enclosures
- Consumer Appliances
- Furniture Hardware
- Medical Equipment
- HVAC Equipment
- Instrumentation
- Automation Equipment
- Industrial Machinery
- Robotics
- Lighting Fixtures
- Automotive Interior Components
Advantages
- Flush mounting with countersunk holes
- Higher torque transmission than Phillips
- Reduced cam-out during tightening
- Better screwdriver engagement
- Improved assembly efficiency
- Suitable for manual and automated assembly
- Available in multiple materials and finishes
- Clean finished appearance
- Suitable for precision engineering applications
- Compatible with standard metric threaded components
Frequently Asked Questions
What is the difference between Phillips and Pozidriv?
Pozidriv incorporates additional ribs between the main cross slots, allowing higher tightening torque, improved driver engagement, and significantly reduced cam-out compared to Phillips drives.
Is DIN 965 still a current standard?
DIN 965 has largely been replaced by ISO 7046-1, but it is still widely referenced and used throughout industry.
What head angle does DIN 965 use?
DIN 965 screws feature a 90° countersunk head, allowing the screw to sit flush in a properly countersunk hole.
Is DIN 965 fully threaded?
Yes. DIN 965 machine screws are generally supplied fully threaded.
Are stainless steel versions available?
Yes. Common stainless steel grades include A2-70 (304) and A4-70 (316).
Can DIN 965 screws be used outdoors?
Yes, when manufactured from stainless steel or supplied with suitable corrosion-resistant coatings.
Where are DIN 965 screws commonly used?
They are widely used in electrical enclosures, machinery, electronics, furniture, sheet metal fabrication, instrumentation, and general engineering assemblies.
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