Double CSK head self tapping screw cutting point with 4 nibs
Model NO.：3.5 3.9 4.2 4.8 5.5
Phillips Round head self tapping screw with pad
Model NO.：3.5 3.9 4.2 4.8
High-low thread screw with 6 nibs
Model NO.：3.5 3.9 4.2 4.8
Plum blossom head self tapping thread cutting tail
Model NO.：3.5 3.9 4.2 4.8 5.5
CSK head self tapping screw with 3nibs
Model NO.：3.5 3.9 4.2 4.8
Round head self tapping screw
Model NO.：3.5 3.9 4.2 4.8 5.5
Square drive CSK head self tapping screw
Model NO.：3.5 3.9 4.2 4.8
Thin flat head self tapping screw
Model NO.：3.5 3.9 4.2 4.8
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