Stainless Steel Knurled Thumb Screws Straight Knurl Hand Tightening Screws Tool-Free Adjustment Thumb Bolts for Equipment Assembly

Our knurled thumb screws are precision machined from stainless steel with straight vertical knurls on the head. The textured surface creates ample friction for easy hand twisting without extra tools, greatly improving assembly efficiency. Stainless steel material delivers excellent corrosion resistance, suitable for long-term use in humid and various working environments. Standard full external thread design supports flexible adjustment of clamping distance. Commonly applied in testing fixtures, instrument panels, photographic brackets, display racks, cabinet panels and other assemblies requiring regular manual adjustment. Comprehensive customization available: thread size, screw length, head diameter, material and surface finish according to your drawings. Utilize our one-stop service: custom branded labels, technical documents, personalized packaging and fastener kitting. Strict dimensional inspection ensures stable quality to streamline your procurement.