GB 27704-A.2-2011

Annular ringed shank 120° Plain nails-Table A.2

GB 27704-A.2-2011

Long annular ringed shank 120° Plain nails-Table A.2

GB 27704-E.2-2011

Drum head nails-Table E.2

GB 27704-K.2-2011

130°flat head nails-Table K.2

GB 27704-K.2-2011

Annular ringed shank 130°flat nails-Table K.2

GB 27704-N.2-2011

T-head nails-Table N.2

GB/T 879.2-2018

Spring parallel pins--Slotted，light duty

GB/T 879.3-2018

Spring-type parallel pins-Coiled,heavy duty—Steel and martensitic SS

GB/T 879.3-2018

Spring-type parallel pins-Coiled,heavy duty—Austenitic SS

GB/T 879.4-2018

Spring-type parallel pins-Coiled,standard duty—Steel and martensitic SS

GB/T 879.4-2018

Spring-type parallel pins-Coiled,standard duty—Austenitic SS

GB/T 879.5-2018

Spring-type parallel pins-Coiled,light duty—Steel and martensitic SS

GB/T 879.5-2018

Spring-type parallel pins-Coiled,light duty—Austenitic SS