What is a DIN 553 Slotted Set Screws with Cone Point?
DIN 553 specifies slotted headless set screws with a cone point, also known as slotted grub screws, blind screws, cone point set screws.
DIN 553 Slotted Set Screws with Cone Point are headless threaded fasteners. Thay are designed to fix one component inside or against another, apply pressure via the tip to lock parts, prevent relative movement between components.
They are commonly used to secure shafts, gears, pulleys, and collars without requiring a nut.
As a professional DIN 553 set screw manufacturer, we provide high-quality fasteners in carbon steel, stainless steel, and special alloys, supporting OEM customization and bulk supply.
DIN 553 Specifications
| Parameter | Specification |
|---|---|
| Standard | DIN 553 / ISO 7434 |
| Type | Slotted Set Screw |
| Drive | Slotted |
| Point Type | Cone Point |
| Thread | Metric |
| Size Range | M1 – M12 |
| Length Range | 2 – 50 mm |
| Installation | Flat screwdriver |
DIN 553 Size Chart
| Size (mm) | P | dz max | n min | n max | t min | t max |
|---|---|---|---|---|---|---|
| M1 | 0.25 | 0.1 | 0.26 | 0.4 | 0.4 | 0.52 |
| M1.2 | 0.25 | 0.12 | 0.26 | 0.4 | 0.4 | 0.52 |
| M1.4 | 0.3 | 0.14 | 0.26 | 0.4 | 0.48 | 0.63 |
| M1.6 | 0.35 | 0.16 | 0.31 | 0.45 | 0.56 | 0.74 |
| M2 | 0.4 | 0.2 | 0.31 | 0.45 | 0.64 | 0.84 |
| M2.5 | 0.45 | 0.25 | 0.46 | 0.6 | 0.72 | 0.95 |
| M3 | 0.5 | 0.3 | 0.46 | 0.6 | 0.8 | 1.05 |
| M3.5 | 0.6 | 0.35 | 0.56 | 0.7 | 0.96 | 1.21 |
| M4 | 0.7 | 0.4 | 0.66 | 0.8 | 1.12 | 1.42 |
| M5 | 0.8 | 0.5 | 0.86 | 1.0 | 1.28 | 1.63 |
| M6 | 1.0 | 1.5 | 1.06 | 1.2 | 1.6 | 2.0 |
| M8 | 1.25 | 2.0 | 1.26 | 1.51 | 2.0 | 2.5 |
| M10 | 1.5 | 2.5 | 1.66 | 1.91 | 2.4 | 3.0 |
| M12 | 1.75 | 3.0 | 2.06 | 2.31 | 2.8 | 3.6 |
DIN 553 vs DIN 913 (Flat Point)
| Feature | DIN 553 | DIN 913 |
|---|---|---|
| Tip Type | Cone | Flat |
| Holding Strength | High | Medium |
| Surface Damage | Yes | Minimal |
| Application | Permanent fixing | Adjustable fixing |
DIN 553 vs DIN 916 (Cup Point)
| Feature | DIN 553 | DIN 916 |
|---|---|---|
| Tip Shape | Cone | Cup |
| Penetration | Deep | Moderate |
| Vibration Resistance | High | Very High |
Applications of DIN 553 Set Screws
- Shaft and hub connections
- Gear and pulley fixing
- Motor components
- Machine tools
- Electronics equipment
- Automotive systems
Looking for a Reliable DIN 553 Set Screw Supplier?
Service advantages
- Precision machining
- Strong cone point
- Wide size range (M1–M12)
- Multiple materials & finishes available
- OEM & custom manufacturing supported
- Fast delivery for bulk orders
Packaging & Supply
- Bulk carton packaging
- Small box packaging available
- OEM branding supported
- Export standard pallets
Quality Control
- Raw material inspection
- Thread accuracy testing
- Tip geometry inspection
- Surface coating verification
❓ FAQ – DIN 553 Set Screws
Q1: What is DIN 553 used for?
Used for securing components such as shafts, gears, and pulleys.
Q2: What is the advantage of cone point?
Provides strong penetration and high holding force.
Q3: What tools are used for installation?
Flat-head screwdriver (slotted drive).
Q4: What sizes are available?
Standard sizes range from M1 to M12.
Q5: Can DIN 553 be reused?
Generally yes, but cone point may damage surface, making reuse less ideal.