304 Stainless Steel Thumb Screws M2 M2.5 M3 M4 M5 M6 M8 knurled Head Thumb Bolt,Machinery,Tool Round Adjustment Hand Screw

304 Stainless Steel Thumb Screws M2 M2.5 M3 M4 M5 M6 M8 knurled Head Thumb Bolt,Machinery,Tool Round Adjustment Hand Screw

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