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Grub Screws Manufacturer | DIN, ISO & ASME Socket Set Screws

08/12/2026 7

A set screw is a headless threaded fastener designed to secure, position or retain components by applying pressure against a mating surface. Unlike conventional screws, set screws are generally installed inside a threaded hole and tightened through an internal hex socket.

JLHY manufactures high-precision set screws for importers, distributors, fastener brands, wholesalers, OEM manufacturers and industrial end users. Our socket set screws are available in stainless steel, alloy steel and carbon steel, with multiple point styles, thread specifications, finishes and packaging options.

We manufacture set screws according to widely used ISO, DIN and ASME specifications, including metric and inch sizes. Whether you need standard set screws for regular inventory or custom fasteners for an OEM project, JLHY can provide consistent dimensions, clean threads and reliable production quality for bulk orders.

Our manufacturing capabilities support:

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Applications of Set Screws

IndustryTypical Applications
Industrial MachineryComponent positioning and shaft retention
Automation EquipmentMechanical positioning and assembly
Power TransmissionGears, pulleys, couplings and shafts
MotorsShaft and component retention
Pumps & ValvesComponent positioning and mechanical assemblies
ToolingFixture and component positioning
Automotive EquipmentMechanical assemblies and positioning
Furniture HardwareHidden fastening and component retention
Electrical EquipmentCompact mechanical assemblies
General EngineeringMachine components and equipment

JLHY supplies set screws with different tip materials and contact configurations to meet specific application requirements. In addition to conventional all-metal set screws, we can provide specialty tips designed for applications requiring surface protection, electrical conductivity, corrosion resistance or controlled contact.

Nylon tip set screws feature a nylon contact element at the end of the screw. They are designed to provide secure positioning while reducing the risk of scratching, denting or damaging the mating surface.

Metal tip set screws provide a softer metal contact surface while maintaining good mechanical stability.

Need OEM service or for a custom project, send us your drawing, sample, material requirement, thread specification and application details. Our engineering team can evaluate the appropriate set screw and tip configuration for your application.

Why Buy Set Screws from JLHY?

Precision Manufacturing

Set screws require consistent thread dimensions, socket geometry and point configuration. JLHY focuses on dimensional consistency throughout production.

Clean Thread & Surface Quality

Production and inspection processes are designed to reduce common defects such as damaged threads, excessive burrs and inconsistent point geometry.

Multiple Standards

We support commonly requested DIN, ISO and ASME specifications, allowing buyers to source different product configurations from one supplier.

Custom Production

Need a size, material, coating, thread or packaging configuration that is not listed? Send us your drawing or specification for evaluation.

Bulk Supply

Our production model is designed for wholesale, OEM and recurring industrial orders.

Export Packaging

Packaging can be prepared according to customer requirements, including bulk packaging, labeled cartons and private-label packaging where applicable.