The surface treatment has oxidized and turned black
Strength grade 10.9
Product grade A
The head shape is an inner hexagonal semi-circular head
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Overview
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Material: 40Cr (Alloy steel) The surface treatment has oxidized and turned black Strength grade 10.9 Product grade A The head shape is an inner hexagonal semi-circular head
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First Listed on Newegg
May 11, 2025
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