Description
This premium acetal H black rod is a high-performance engineering thermoplastic designed for precision machined components that demand excellent dimensional stability and strength. Supplied in a range of diameters from 10 mm to 70 mm and standard lengths up to 3000 mm, it offers a reliable solution for both prototype work and high-volume production.
With its low moisture absorption, good wear resistance and outstanding machinability, this acetal rod is widely used in mechanical, automotive, food-processing and general industrial applications. Its dense, smooth surface and consistent quality make it ideal for producing bushings, gears, rollers, manifolds and other close-tolerance parts.
Product Features
- Available diameters: 10 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, 60 mm and 70 mm for a wide range of component sizes.
- Standard lengths of 1000 mm, 2000 mm and 3000 mm to suit both small and large-scale machining projects.
- Manufactured from high-quality acetal H (POM-H) thermoplastic for excellent rigidity and mechanical strength.
- Black colour throughout the rod for an attractive, uniform finish and improved UV resistance compared with natural grades.
- Low moisture absorption to maintain tight tolerances and reduce the risk of swelling or dimensional change in service.
- Smooth, dense surface that machines cleanly, ideal for turning, milling, drilling and threading.
- Good resistance to many oils, fuels and common industrial chemicals.
Key Features and Benefits
- Excellent dimensional stability helps ensure precision parts maintain their shape and size, even in changing environmental conditions.
- Low water uptake reduces the risk of warping or swelling, making it suitable for humid environments and applications with intermittent contact with moisture.
- High stiffness and strength allow the rod to replace metal in many components, helping to reduce part weight and machining time.
- Very good machinability enables fast, accurate processing with minimal tool wear and a high-quality surface finish.
- Reduced friction and good wear resistance extend component service life in sliding, rotating and bearing applications.
- Black acetal material provides a professional aesthetic and can help mask dirt, marks and minor surface scratches in demanding environments.
Specifications
| Specification | Detail |
|---|---|
| Material | Acetal H (POM-H) engineering thermoplastic |
| Colour | Black |
| Available diameters | 10, 20, 25, 30, 40, 50, 60, 70 mm |
| Available lengths | 1000, 2000, 3000 mm |
| Moisture absorption | Very low, suitable for close-tolerance applications |
| Typical applications | Gears, bushings, rollers, spacers, manifolds, precision machined parts |
Applications and Ideal Uses
This premium acetal H black rod is suited to a wide variety of precision engineering and industrial applications where strength, stability and machinability are critical.
- Machined gears, sprockets, cams and timing components in mechanical assemblies.
- Bearings, bushings, rollers and wear strips in material-handling and conveyor systems.
- Precision spacers, manifolds, jigs and fixtures in production and workshop environments.
- Components for automotive, agricultural and industrial machinery requiring reduced weight and low friction.
- General-purpose engineering parts where close tolerances and a high-quality black finish are required.
Frequently Asked Questions
Can this acetal H rod be machined using standard metalworking tools?
Yes, the rod can be machined using standard metalworking tools with sharp cutters. It turns, mills and drills very well, typically at higher speeds and with lighter cuts than metals. Care should be taken to avoid overheating by using appropriate feed rates and, where necessary, coolant or air blast.
Is black acetal H suitable for use in humid or damp environments?
Black acetal H has very low moisture absorption compared with many other plastics, so it performs well in humid or damp environments. This low water uptake helps components maintain dimensional stability and reduces the risk of swelling or warping in service.
How do I choose the correct diameter and length of rod for my application?
Select a diameter that comfortably allows you to machine your finished component, allowing for any necessary machining stock. Choose a length that minimises waste while providing enough material for all parts you intend to produce. Standard lengths of 1000 mm, 2000 mm and 3000 mm can usually be cut down easily to suit your specific requirements.


