Pan Head Self Tapping Screw (DIN7981) Kunshan Yea-Ok Hardware Products Co., Ltd. Base Info Material：Carbon Steel, Ss, Alloy SteelType：Pan HeadHead Style：Pan HeadConnection：Hinged BoltsGrade：4.8, 8.8, Ss, Alloy Steel Description Pre：Non-Standard Flange Bolts Next：Spiral Wound Gaskets (XT004)
