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Knurled Cross-Slot & Slotted Combo Thumb Screw
The knurled and slotted combination hand-tightening screw is a precision fastener. Its head features a knurled cylindrical design for easy hand tightening and incorporates both and slotted drive grooves, making it compatible with various screwdrivers and meeting diverse operational needs. The shank has a semi-threaded structure, with threads available in self-tapping or machine-threaded configurations depending on the specification. The tail is available in pointed and flat-end designs, with common sizes ranging from M2 to M6. Available materials include low-carbon steel, medium-carbon steel, 304 stainless steel, and brass. Surface treatments include blackening, black zinc plating, electrophoretic blacking, stainless steel natural finish, and nickel plating, adaptable to various operating environments. It is mainly suitable for scenarios such as fixing electronic equipment chassis, tool-free disassembly and assembly of communication equipment, fixing instrument panels, server rack accessories, and assembly of consumer electronics products. It follows the standard of customization according to drawings. In terms of strength, carbon steel can reach grade 4.8, 6.8, and 8.8, stainless steel has grades A2-50, A2-70, A4-70, and A4-80, and non-ferrous metals are not lower than grade 4.8.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
We support customized production based on customer-provided drawings or industry standards.
Available grades: Carbon steel 4.8/6.8/8.8/10.9/12.9; Stainless steel A2-50, A2-70, A4-70, A4-80
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
Electronic equipment chassis mounting, tool-free disassembly and assembly of communication equipment, instrument panel mounting, server rack accessories, and consumer electronics assembly.
Specialized electronic components, specialized communication components
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Knurled Cross-Slot & Slotted Combo Thumb Screw Suppliers and Wholesale Knurled Cross-Slot & Slotted Combo Thumb ScrewExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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