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Self-drilling screws

Self-drilling screws

Product Name: Self-drilling screws
Model NO.: DIN7981

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Product Details: Self-drilling screws

DIN7504-K,-P,-N (ISO15480,15482,15481)

Size:M3.5—M6.3

Material:C1018-C1022

Surface hardness:270-390HV

Surface hardness:min.450HV

Core hardness:270~390HV

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Self-drilling screws

Self-drilling screws

Self-drilling screws

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Self Drilling （DIN7981）

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