Carbon Steel Knurled Hand Screw 1/4-20 Knurled Thumb Screw

Carbon Steel Knurled Hand Screw 1/4-20 Knurled Thumb Screw. Customizable Materials: Supports Stainless Steel, Carbon Steel, Brass, Bronze, Iron, Aluminum, Titanium, and more. Wide Size Range: Standard sizes M3-M20 available, with custom sizes made to customer specifications. Various Surface Finishes: Options include Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, and H.D.G. Quality Certification: Passed ISO9001:2008, CQM, and IQNet quality management system certifications. Free Sample Policy: Free samples provided if in stock; otherwise, subject to customer discussion. Flexible Customization: Supports OEM/ODM, custom materials, sizes, and designs based on customer drawings. Strict Quality Control: 100% visual inspection for finished products with full raw material traceability. Fast Delivery: Peak and off-season lead times are within 15 working days.