发明名称 |
FASTENER WITH DRILL PILOT AND REVERSED THREADED REGIONS |
摘要 |
A fastener includes a shank (100) having a pilot section (110) and a threaded section (113). The pilot section includes a cutting tip (111) and a drill section (112); the threaded section includes a first thread region (113) having the same twist as the drill section and a reverse thread region (114). A helical ridge (115) may be provided in the reverse thread region. A head (104) at the second end includes a top portion such as a disk and an undercut region. |
申请公布号 |
WO2014018542(A1) |
申请公布日期 |
2014.01.30 |
申请号 |
WO2013US51704 |
申请日期 |
2013.07.23 |
申请人 |
SIMPSON STRONG-TIE COMPANY, INC.;PARK, JEREMY, SCOTT |
发明人 |
PARK, JEREMY, SCOTT |
分类号 |
F16B25/00;F16B25/10 |
主分类号 |
F16B25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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