Descriptions:1. Vernier caliper fastening screws is to use the fastening screws on the vernier to fix the vernier in any position.2. Made of stainless steel for wear-resistant and anti-corrosion.3. Round thumb screw with flat knurled head style.4. Knurled head provides extra grip for manual tightening.5. Suitable for vernier calipers6. Notice: Please confirm the vernier caliper fastening bolt size before buying..Specifications:Product Name: Knurled Thumb ScrewThread Size: M2.5 x 12mm / 0.1" x 0.47" (D*L)Color: SilverMaterial: Stainless SteelThread Diameter: M2.5Thread Length: 12mm / 0.47"Head Thickness: 5.5mm / 0.22"Head Diameter: 7mm / 0.24"Package Contents:10 x Flat Knurled Head Screws.
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