Crown screw is a decorative screw used in the panel, so it is also known as decorative nail, panel decorative screw. It is also widely used in the cabinet cabinet, also known as the cabinet screw. The use of the most and card nut matching use, the panel cabinet has been humanized decoration, but also can play a beautiful role. The crown screw is also firmly attached to the nut, and the nylon washer does not damage the part.
Drawings and specifications of crown screws
| Thread * Pitch | Item | Code | D | H | L | ||
| ±0.25 | ±0.4 | ||||||
| M4*0.7 | CHDS | M4 | 11 | 3.5 | 16 | 20 | 25 |
| M5*0.8 | CHDS | M5 | 12.7 | 4 | 16 | 20 | 25 |
| M6*1.0 | CHDS | M6 | 12.7 | 4 | 16 | 20 | 25 |
Material of crown screw
| Product name | Material | Element name and chemical composition | ||||||
| Carbon (C) | Manganese (Mn) | silicon(Si) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | ||
| Crown screw | steel Q235 | 0.14~0.22 | 0.30~0.65 | ≤0.30 | ≤0.045 | ≤0.050 | ||
| SUS304 | ≤0.08 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 18.00-20.00 | 8.00-11.00 | |
| Stainless steel | ||||||||
Use of crown screw
Crown screws are used for the connection of case, cabinet and exterior panel, and are used in conjunction with card nut.
