GB /T819.1-2016
Countersunk flat head screws with cross recess—Part 1: Property class 4.8 GB /T819.2-2016
Countersunk flat head screws with cross recess—Part 2: Property class 8.8, stainless steel screws and non-ferrous metal screws ISO 7046-1-2011
Countersunk flat head screws with type H or type Z cross recess- Product grade A-Steel screws of property class 4.8 ISO 7046-2-2011
Countersunk flat head screws with type H or type Z cross recess-Product grade A-property class 8.8 NF E25-119-1-1994
Countesunk flat head screws,with type H or type Z cross recessed-Product grade A, class 4.8 JIS B1125-1995
Cross recessed bugle head self-drilling tapping screws JIS B1125-2003
Cross recessed bugle head tapping screws YJT 1012-2012
Cross recessed bugle tapping for wallboard(double thread) YJT 1011-2012
Cross recessed bugle tapping for wallboard(single thread) JIS B1124-2003
Cross recessed contersunk head self-drilling tapping screws

1

NF E25-656-1994
Cross recessed countersunk (flat) head tapping screws ISO 7050-2011
Cross recessed countersunk (flat) head tapping screws DIN 965-1990
Cross recessed countersunk head screws

2

GB /T13806.2-1992
Cross recessed countersunk head cutting tapping screws,scrape point DIN 7504(P)
Cross recessed countersunk head drilling screws with tapping screw thread

2

UNI 8113
Cross recessed countersunk head forming screws GB /T9074.9-1988
Cross recessed countersunk head screw and countersunk serrated lock washer assemblies CNS 4560-1981
Cross recessed countersunk head screws UNI 7688-1977
Cross recessed countersunk head screws GB /T819.1-2000
Cross recessed countersunk head screws BS 450-1958
Cross recessed countersunk head screws ANSI/ASME B18.6.3-2010
Cross recessed countersunk head screws GB /T819-1985
Cross recessed countersunk head screws

2

GB 819-1976
Cross recessed countersunk head screws

2

ISO 7046-1-1994
Cross recessed countersunk head screws ISO 7046-2-1990
Cross recessed countersunk head screws KS B1023-2001
Cross recessed countersunk head screws-Class 4.8 JIS B1111-1996
Cross recessed countersunk head screws-Class 4.8 JIS B1111-1996
Cross recessed countersunk head screws-Class 8.8 NF E25-119-2-1994
Cross recessed countersunk head screws-Grade A, class 8.8 GB /T15856.2-2002
Cross recessed countersunk head self-drilling tapping screws

2

JIS B1125-1995
Cross recessed countersunk head self-drilling tapping screws GB /T15856.2-1995
Cross recessed countersunk head self-drilling tapping screws

1

GB 846-1976
Cross recessed countersunk head self-tapping screws

2

GB /T846-1985
Cross recessed countersunk head self-tapping screws

2

DIN 7982-1990
Cross recessed countersunk head tapping screws

2

JIS B1125-2003
Cross recessed countersunk head tapping screws ISO 7050-1983
Cross recessed countersunk head tapping screws JIS B1122-1996
Cross recessed countersunk head tapping screws JIS B1122-1996
Cross recessed countersunk head tapping screws UNI 7910
Cross recessed countersunk head tapping screws with rapid teeth DIN 7516-DE-1995
Cross recessed countersunk head thread cutting screws GB /T6561-1986
Cross recessed countersunk head thread forming screws GB /T6561-2014
Cross recessed countersunk head thread rolling screws DIN 7500ME-1995
Cross recessed countersunk head thread rolling screws

1

DIN 7997-2010
Cross recessed countersunk head wood screws

1

ANSI/ASME B18.6.1-1997
Cross recessed countersunk head wood screws ANSI/ASME B18.6.1-1997
Cross recessed countersunk head wood screws ANSI/ASME B18.6.1-1997
Cross recessed countersunk head wood screws GB /T951-1986
Cross recessed countersunk head wood screws JIS B1112-1995
Cross recessed countersunk head wood screws DIN 7997-2008
Cross recessed countersunk head wood screws

1

DIN 7997-1984
Cross recessed countersunk head wood screws

1

CNS 4563-1981
Cross recessed countersunk head wood screws NF E25-601-1984
Cross recessed countersunk head wood screws-Symbol F Z GB /T13806.1-1992
Cross recessed countersunk screws for fine mechanics JIS B1125-2003
Cross recessed ribbed countersunk head tapping screws KS B1032-2001
Cross-recessed countersunk (flat) head tapping screws UNI 6955
Cross-recessed flat countersunk head tapping screws DIN 34811-1999
Cross-recessed flat head plastic screws