Q 421 Plain Washer for Tapping Screw Assembly

GB /T 97.4 (S) - 2002

Plain Washers (Small) for Combination Screw

GB /T 97.4 (N) - 2002

Plain Washers (Normal) for Combination Screw

GB /T 97.5 (L) - 2002

Plain Washers for Tapping Screw and Washer Assemblies - Type L

GB /T 97.5 (N) - 2002

Plain Washers for Tapping Screw and Washer Assemblies - Type N

GB 9074.24 - 1988

Plain Washers for Assembly

GB 9074.25 - 1988

Blg Plain Washer for Assembly

GB 9074.29 - 1988

Samll Washer for Tapping Screw Assembly

GB 9074.30 - 1988

Blg Washer for Tapping Screws Assembly

DIN 6902 (B) - 1990

Plain Washers for Screw and Washer Assemblies - Type B

DIN 6902 (C) - 1990

Plain Washers for Screw and Washer Assemblies - Type C

DIN 6902 (A) - 1990

Plain Washers for Screw and Washer Assemblies - Type A

DIN 6903 (A) - 1990

Plain Washers for Tapping Screw and Washer Assemblies - Type A

DIN 6903 (B) - 1990

Plain Washers for Tapping Screw and Washer Assemblies - Type B

ISO 10673 (L) - 2009

Plain Washers for Screw and Washer Assemblies - Large Series - Product Grade A

ISO 10673 (N) - 2009

Plain Washers for Screw and Washer Assemblies - Normal Series - Product Grade A

ISO 10673 (S) - 2009

Plain Washers for Screw and Washer Assemblies - Small Series - Product Grade A

ISO 10669 (N) - 1999

Plain Washers for Tapping Screw and Washer Assemblies - Normal Series - Product Grade A

ISO 10669 (L) - 1999

Plain Washers for Tapping Screw and Washer Assemblies - Large Series - Product Grade A

ISO 10673 (N) - 1998

Plain Washers for Screw and Washer Assemblies-Normal Series-Product Grade A

JIS B 1258 (S) - 2012

Plain Washers for Screw and Washer Assemblies - Type S

JIS B 1258 (N) - 2012

Plain Washers for Screw and Washer Assemblies - Type N

JIS B 1258 (L) - 2012

Plain Washers for Screw and Washer Assemblies - Type L

JIS B 1258 - 2006

Large Plain Washers for Screws Assmebly

JIS B 1258 - 2006

Plain Washers for Screws Assembly

JIS B 1258 - 2006

Small Plain Washers for Screws

Q 407

Plain Washers for Assembly

Q 407B (L)

Plain Washers（Large）for Combination Screw

Q 407B (N)

Plain Washers（Normal） For Combination Screw

Q 421B (N)

Plain Washers for Tapping Screw and Washer Assemblies - Type N

Q 422

Large Plain Washers for Self-tapping Screws

Q 422B (L)

Plain Washers for Tapping Screw and Washer Assemblies - Type L

NF E 25-522 - 1999

Plain Washers for Tapping Screw and Washer Assemblies - Large Series - Product Grade A

DIN EN ISO 10673 (S) - 2009

Plain Washers for Screw and Washer Assemblies - Type S, Product Grade A

DIN EN ISO 10673 (N) - 2009

Plain Washers for Screw and Washer Assemblies - Type N, Product Grade A

DIN EN ISO 10673 (L) - 2009

Plain Washers for Screw and Washer Assemblies - Type L, Product Grade A

DIN EN ISO 10669 (N) - 1999

Plain Washers for Tapping Screw and Washer Assemblies - Normal Series

DIN EN ISO 10669 (L) - 1999

Plain Washers for Tapping Screw and Washer Assemblies - Large Series