100pcs Carbon Steel Slotted Hex Castle Nut Coarse Fine Thread
Specifications:
Color: Black
Thread nominal: M12, M16, M18
Thickness: 9mm, 12mm, 19mm
Pitch:1.75,2,2.5
Strength level: 4.8
Material: Q235 Carbon Steel
Surface treatment: oxidation and blackening
Package Included:
100pcs×Hex Castle Nut
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