GB/T 840-1988Plastle dlamond knurl haed screws-type B standard -Screw standard query-ChinaFastener.com

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Thread size

All M4 M5 M6 M8 M10 M12 M16

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Length(mm)

6

Thread pitch(mm)

1.25

Material

All Steel S/S Cu-alloy Al-alloy Ti-alloy Special Alloys Non-metallic

GB/T 840-1988

Plastle dlamond knurl haed screws-type B

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GB/T 840-1988

Plastle dlamond knurl haed screws-type B

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