Stainless steel Self drilling hex head screw thread
Material:**0 **1 **4 **6
1.Standard:DIN,GB,JIS, AISI
2.Diameter:1.2mm*7.*0mm/ No.*-No.*2
3.Length:2mm****0mm...
Size :ST3.5 ST4.2 ST4.8 ST5.5 ST6.3
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