Flat Head Self Tapping Screw, Shi Shi Tong Screw Factory

Flat Head Self Tapping Screw, Shi Shi Tong Screw Factory: Flat head self tapping screw, which we often call countersunk self-tapping screws. Because it’s head is flat, no arc, thread type self-tapping

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stainless flat head screws, surface a variety of color can do it?

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Die Spotting Extra Long screw