GB/T 15658.4 Outer hexagon Washus drilling self tapping screws Trivalent zinc

price：

Negotiable

MOQ：

1000

Follow the standard：

GB/T 15658.4

Inventory status：

50000

Product specifications：

(5.5-1.8) x 50HWAH (4.8-1.6) x 16HWAH (6.3-1.8) x 19HWAH

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