Cylindrical Pin With Internal Thread is precision-ground fasteners engineered with an axial pull-out thread for high-accuracy alignment, easy blind-hole extraction, and reliable positioning in complex machinery. As a trusted Cylindrical Pins Manufacturer and Precision Dowel Pins Supplier, Anhui Pins Metal produces standard DIN/ISO pins as well as fully customized solutions tailored to your specific requirements.
| Parameter Item | Specification & Option Details |
| Manufacturing Standards | DIN 7979, ISO 8735 |
| Outer Diameter Range (d) | Metric: 6.0 mm – 50.0 mm | Inch: 1/4" – 2" (m6, h6, h8 tolerances available) |
| Internal Thread Size (d2) | M3 – M20 (Standard Coarse & Fine Pitch Options) |
| Length Range (L) | 16.0 mm – 200.0 mm (Custom Cut-to-Length & Chamfers Available) |
| Material Options | Bearing Steel / Alloy Steel (100Cr6 / GCr15), Carbon Steel, Stainless Steel (SUS 304, 316, 420) |
| Surface Hardness | HRC 58–62 (Hardened & Tempered / Case Hardened) |
| Surface Precision | Precision Ground Finish (Ra ≤ 0.2 µm Outer Diameter / Ra ≤ 0.8 µm Thread Zone) |
| Surface Treatments | Natural Precision Ground + Anti-Rust Oiled, Black Oxide, Passivated (Stainless Steel) |
| Quality & Inspection | 100% Thread Go/No-Go Gauge Test, Outer Diameter Tolerance Check, Hardness Testing |
| Customization Service | We offer custom manufacturing of cylindrical pins with internal threads according to your specific requirements and drawings. |
Precision Machining & Thread Accuracy Control
Precision Diameter Control
The cylindrical surface is manufactured with controlled dimensional tolerances to ensure proper fitting with mating components and maintain stable positioning performance.
Accurate Internal Thread Processing
The internal thread is precisely machined to provide smooth engagement with extraction tools or threaded components, supporting reliable installation and removal.
Consistent Batch Quality
Inspection procedures are applied during production to monitor key dimensions and maintain consistency across different production batches, meeting the requirements of precision assemblies.
Applications
Mold & Tooling Applications
Used in molds, dies, and tooling systems where accurate component alignment is critical. The internal thread allows easier removal during mold maintenance, adjustment, or replacement, improving service efficiency.
Precision Machinery
Applied in mechanical equipment requiring stable positioning between components. They help maintain accurate assembly relationships while providing a practical solution for future maintenance operations.
Fixtures & Jigs
Suitable for inspection fixtures, machining jigs, and assembly tooling where repeatable positioning is required. The removable design allows convenient adjustment and component replacement when needed.
Automation Equipment
Used in automated machinery where consistent component alignment and easy maintenance are important. The design supports reliable positioning performance during repeated production cycles.
FAQ
What is the main advantage of using a Cylindrical pin with internal thread?
The internal thread provides a practical solution for applications where the pin needs to be removed or adjusted during maintenance. It allows easier extraction without affecting the surrounding components.
When should I choose an internally threaded pin instead of a standard cylindrical pin?
An internally threaded design is suitable when accurate positioning is required together with convenient removal. It is commonly selected for assemblies that require regular maintenance, adjustment, or replacement.
Can these pins be used for repeated assembly and disassembly?
Yes. The threaded hole provides a reliable method for removing the pin when components need to be separated, making it suitable for applications requiring repeated maintenance.
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