Material：C1022 Harden
Specification：
Finish：
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Head:Philips Flat Bugle,Countersunk
Material:C1022 Harden
Thread:Coarse/Twinfast
Surface:Black Phosphated,Zinc Plated
Diameter:3.5mm-6.3mm/ #6-#12
Length:13mm-150mm/ 1/2”-6”
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