A fastener has a recessed drive configuration with outlet channels extending from the recessed drive configuration to the outer surface of the fastener.
申请公布号
US7581910(B2)
申请公布日期
2009.09.01
申请号
US20060515676
申请日期
2006.09.05
申请人
ILLINOIS TOOL WORKS INC.
发明人
NEBL DAVID R.;DOHM STEPHEN R.;VAN INGEN JAMES M.;BASKERVILLE TAURRIS D.
