OTTYMO Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture

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Product description

  • High-quality Carbon Steel Material ----The thumb screw is made of high-strength carbon steel with galvanized surface, which has good mechanical properties such as rust resistance, corrosion resistance, heat resistance, low temperature resistance, high strength, and durability.
  • Non-slip Knurled Edges, Easy Tightening ---- Thumb screws with knurled heads provide extra grip for hand tightening. The wavy edge is designed to be tightened and loosened by hand, making it easier to actuate by hand and can be installed without tools.
  • Right Screw size -----The package contains 10 M6 knurled carbon steel screws, the screw head diameter is 20mm, the total thread length is 32mm, and the head height is about 12mm. It is easy to carry and does not take up space. It is an ideal hand screw size.
  • Wide Range of Applications ---- Hand-made thumbscrews are suitable for mechanical equipment, tools, automobiles, instrumentation, industrial equipment, household appliances, furniture manufacturing, and testing equipment, where screws need to be loosened frequently.

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