Brass Knurled Thumb Screw Flat Head Thumbscrews Hand Grip Knob Bolts M3 M4 M5 M6

Thread Pitch: M3 0.5; M4 0.7; M5 0.8; M6 1. Flat Head Knurled Thumb Screws Hand Grip Knob Bolts. Material: Solid Brass.

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