Countersunk Head Screw Hex Drive Allen Bolt M4 M5 M6 M8 Grade 10.9 Nickel Plated. ● Head Type: Countersunk Head. ● Size: M4 M5 M6 M8. ● Drive Type: Hex Drive (Allen Key). ● Finish: Nickel Plating. ● Thread Type: Coarse.
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