Carbon steel black KA cross countersunk head self tapping screw flat head screw home self tapping screw electronic screw M1-M4_Dongguan Zhenguan Hardware products Limited Company

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picture:

attribute:

name:
Carbon steel black KA cross countersunk head self tapping screw flat head screw home ...
brand:
other
material quality:
Carbon steel grade 4.8
surface treatment:
Nickel plating hardening
strength grade:
A-level

details:

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