共 50 条
- [1] NEW MANUFACTURING METHODS FOR MICROMETER SCREWS SOVIET ENGINEERING RESEARCH, 1983, 3 (04): : 47 - 49
- [9] METRIC FORMED HEX SCREWS. American National Standards Institute, Standards, 1979, (B18. 2. 3. 2M):
- [10] METRIC HEX LAG SCREWS. American National Standards Institute, Standards, 1979, (B18. 2. 3. 8M):