沉头按压式铆钉扣 countersunk snap rivets/expanding rivet
符合典型沉头孔 DIN ISO 7721 开孔。
其他典型特点：
1. 塑料轻量化
2. 没有传统金属紧固件的腐蚀问题
3. 电气绝缘
4. 两种标准颜色 - 黑色，白色 可供选择
5 无需特殊工具，按压即可装配到位。
安装时按压顶部的公扣，使得底部的母座膨胀，实现安全可靠之连接。安装后工件表面无凸起，保存齐平。
| 物料编号 | 建议安装孔径 | 紧固工件总厚度范围 | 颜色 |
| CSSR-3001 | 3.0 | 1.0-2.0 | 黑色 |
| CSSR-3002 | 3.0 | 2.0-3.0 | 黑色 |
| CSSR-3003 | 3.0 | 5,0-6.4 | 黑色 |
| CSSR-3501 | 3.5 | 3.0-4.0 | 黑色 |
| CSSR-3502 | 3.5 | 4.5-5.0 | 黑色 |
| CSSR-4001 | 4.0 | 3.5-4.5 | 黑色 |
| CSSR-4002 | 4.0 | 4.5-5.5 | 黑色 |
| CSSR-4003 | 4.0 | 5.5-6.5 | 黑色 |
| CSSR-4004 | 4.0 | 6.5-7.5 | 黑色 |
| CSSR-4005 | 4.0 | 7.5-8.5 | 黑色 |
| CSSR-4006 | 4.0 | 3.5-4.5 | 白色 |
| CSSR-4007 | 4.0 | 4.5-5.5 | 白色 |
| CSSR-4008 | 4.0 | 5.5-6.5 | 白色 |
| CSSR-4009 | 4.0 | 6.5-7.5 | 白色 |
| CSSR-4010 | 4.0 | 7.5-8.5 | 白色 |
| CSSR-5001 | 5.0 | 3.5-4.5 | 黑色 |
| CSSR-5002 | 5.0 | 3.5-4.5 | 白色 |
Countersunk Snap Rivets - CSSR type expanding fasteners:
Rivet will be pushed into the panel sheet and thus will be flush-mounted with the surface.
It is a two piece all plastic blind rivet that securely joins two or more materials of varying thickness of materials. Generally suitable for fastening most materials including metal, wood, hardboard, rubber, glass and specialty plastic. They provide positive locking and are vibration resistant.
Sinohua countersunk snap rivet CSSR Type is ideal for applications where the rivet's appearance is important.
Standard Colour : Black
Operating Temperature : -40° C to +85°C.
Not recommended for square or diamond shaped holes. Simply press down on head to expand legs that lock panels and components firmly in place. No tools required.
