Type C (Pointed tip) or Type F (Flat tip). Phillips (H) drive.
| Dimension Code | Specification (mm) | Dimension Code | Specification (mm) | ||
|---|---|---|---|---|---|
| d | Diameter | ST2.2 | P | Pitch | 0.8 |
| L | Length | 4.5 | L(max) | Lmax | 4.74 |
| L(min) | Lmin | 4.26 | a(max) | amax | 0.8 |
| dk(max) | dkmax | 4.2 | dk(min) | dkmin | 3.9 |
| k(max) | kmax | 1.8 | k(min) | kmin | 1.55 |
| r(max) | rmax | 0.3 | No. | No. | 1 |
| M | M | 2.6 | t(min) | tmin | 0.86 |
| t(max) | tmax | 1.32 | |||
| Material | Type | Steel | General Technical Conditions | ||
|---|---|---|---|---|---|
| Grade | |||||
| Thread | Tolerance | Mechanical Property | Class | ||
| Standard | Standard | ||||
| Tolerance | Product Grade | Surface Treatment | |||
| Standard | |||||
| Surface Roughness | Surface Defect | ||||
| Acceptance & Packing | Reference Weight per 1000 (kg) | ||||
Inner Packaging
Packed in small transparent PE bags or branded color boxes. Typical quantity
500 or 1,000 pcs per unit.
Outer Carton
Standard 25 kg neutral export cartons or customized EternalFast cartons.
Logistics
Shanghai / Ningbo Port.
Surface Hardness Test
For case-hardened steel, we ensure a surface hardness of 450-750 HV for optimal tapping performance.
Drilling Performance
100% test on steel plate penetration time according to DIN standards.
Material Traceability
Full MTC (EN 10204 3.1) and RoHS compliance certification provided.