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Self-Drilling Carbon Screws

Price Negotiable
Min Order 1000 Pieces
Availability In Stock
Shipping From Zhejiang, China
Popularity 435 people viewed
Material:
Carbon Steel
Product Description
Material: Cl018 or C1022 carbon steel.
Surface Black phosphating.
Deep of Case Hardened: 0.15 - 0.28mm
Surface Hardened: 550HV(min)
Core Hardened: 240 - 450HV
Salt spray test More than 24 hours.
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