Stainless Steel Knurled Head Threaded Fastener With Hollow End Precision

Product Specification

Stainless Steel Knurled Head Threaded Fastener with Hollow End – Precision Cylindrical Connector for Mechanical & Equipment Assembly

This precision-machined stainless steel fastener is designed for secure mechanical connections while offering enhanced usability during installation. Its cylindrical form, clean metallic finish, and functional detailing make it suitable for high-performance applications across various industries, including machinery, automation, and equipment assembly.

Product Structure & Features

• Material & Finish
  Constructed from premium-grade stainless steel, this fastener offers excellent corrosion resistance, durability, and a clean, professional metallic appearance—ideal for both functional and aesthetic applications.

• Knurled Raised Head Section
  The top of the fastener features a raised knurled ring, designed with vertical ridges for enhanced grip. This allows for manual tightening or easy tool engagement, even in environments where torque tools are limited or impractical.

• Precision External Threading
  Below the knurled section lies a finely threaded cylindrical body, with uniform, closely spaced threads that ensure reliable mating with corresponding internal threads (e.g., nuts, tapped holes). The threading is manufactured to tight tolerances for secure, vibration-resistant fastening.

• Hollow End Opening
  The bottom end of the fastener features a hollow open-end structure, reducing overall weight and potentially allowing for airflow, drainage, or additional functional integration (e.g., pin alignment, wiring pass-through, etc.).

Functional Applications

• Mechanical assemblies and fixtures

• Equipment housing and panel connections

• Manual or tool-assisted fastening points

• Precision component positioning and anchoring

• Devices requiring repeatable tightening/loosening without thread wear

The combination of knurled grip and threaded locking makes this fastener highly versatile—ideal for use in assemblies where frequent adjustment or maintenance is required.

Our Manufacturing Capabilities

We specialize in precision fasteners and custom metal components, offering end-to-end OEM/ODM services for clients across mechanical, electronic, automotive, and industrial sectors.

Core Capabilities:

• Material Expertise:
  Stainless steel (304, 316, 410), carbon steel, brass, aluminum, titanium, etc.

• Processing Methods:
  CNC turning & milling, Swiss machining, cold forming, knurling, threading (metric/imperial/custom)

• Head & Grip Styles:
  Knurled head, slotted, hex, socket cap, custom ergonomic designs

• Thread Standards Supported:
  ISO, DIN, ANSI/ASME, JIS – Metric/UNC/UNF/BSP/etc.

• Custom Features:
  Hollow structures, vented screws, special recesses or drive types

• Surface Finishes:
  Natural stainless, passivation, polishing, black oxide, PVD coatings, etc.

• Production Capacity:
  Small-batch prototypes to high-volume automated production lines

• Quality Assurance:

  • Dimensional accuracy (±0.01mm or tighter upon request)

  • Thread gauge testing

  • Material traceability and certification

  • Salt spray and corrosion testing

Looking for a custom stainless steel fastener tailored to your design?
We provide engineering support, fast sampling, and reliable production solutions to meet your exact specifications.

Contact us today for technical consultation, quotes, or OEM cooperation.