Custom Cleaning Brush
8mm PA612 Flexible Tube Brush
8mm PA612 Flexible Tube Brush is built for Heat Exchanger Tube Internal Cleaning where the brush must enter or follow internal walls, threads, and blind holes. Head size, working length, stem flexibility, and fill are selected to loosen chips, oil, and coolant without losing access or control.
Product Features
8 mm head reaches narrow flexible tubing — The brush is sized for small hoses and internal channels.
PA612 bristles retain useful stiffness in repeated wet cleaning — Lower moisture uptake supports consistent contact.
Flexible stem follows gentle curves — The brush navigates bends without requiring a rigid straight path.
Radial bristles provide full-wall cleaning — The head contacts the entire internal circumference.
Finished leading end reduces snagging — Looped or protected tips pass through tubing more smoothly.
Brush length, stem flexibility, PA612 filament, tip, loop, and handle can be customized.
Product Overview
8mm PA612 Flexible Tube Brush uses a working section shaped around the available opening, depth, and internal profile. It contacts internal walls, threads, and blind holes to remove chips, oil, and coolant; the access path and minimum clearance determine whether the brush needs a rigid stem, a flexible extension, a tapered head, or a stepped cleaning section. Brush diameter, working length, tip form, and stem flexibility must match the complete passage.
Key dimensions start with Brush head diameter 8 mm, Brush head length 70 mm, and Handle length 150 mm. This product uses a tube or bore-brush structure for cleaning inside holes, pipes, and narrow passages. The specified interface is fixed. PA612 Nylon are the principal material directions in the current specification. Handle length, neck shape, and head size should support comfortable control and avoid excessive contact pressure.
Technical Specifications
| Head diameter | 8 mm |
|---|---|
| Head shape | Round |
| Head length | 70 mm |
| Bristle material | PA612 |
| Handle/base material | TPE/TPR Overmold |
| Handle length | 150 mm |
| Grip diameter | 9 mm |
| Connection | Fixed |
| Cleaning method | Wet Brushing / Soaking |
| Applicable media | Water / Neutral Detergent |
Application Areas
8mm PA612 Flexible Tube Brush is primarily mapped to Heat Exchanger Tube Cleaning. Before applying the brush to another process, verify the surface, the route for removed debris, and the final finish target.
- Use for Heat Exchanger Tube Internal Cleaning
- Match contact to surface risk: Minor
- Use with Water / Neutral Detergent
- Confirm interface and clearance before production.
Selection Guidance
Structure fit
Match the tube & pipe bore brush geometry to internal walls, threads, and blind holes, the available access, and manual operation. Confirm Brush head diameter 8 mm, Brush head length 70 mm, and Handle length 150 mm against the complete working envelope before finalizing the brush.
Contact material
Choose from PA612 Nylon according to the behavior of chips, oil, and coolant, the surface sensitivity, and any wet, chemical, temperature, or hygiene requirements. Stiffness is not decided by the material name alone. Filament diameter, free trim length, and density also matter.
When to use another solution
For 8mm PA612 Flexible Tube Brush, use another cleaning method when chips, oil, and coolant cannot be released by controlled filament contact, when internal walls, threads, and blind holes cannot tolerate the selected contact material, or when the access path prevents safe engagement and residue removal.
Customization Options
| Brush Head Diameter (mm) | 8 |
|---|---|
| Brush Head Length (mm) | 70 |
| Handle Length (mm) | 150 |
| Handle Grip Diameter (mm) | 9 |
| Bristle Material | PA612 Nylon |
| Handle Material | TPE/TPR Overmold |
| Mounting / Interface | Fixed |
| Grip Style | Straight Handle |
| Color | PANTONE 375 C Green |
| Logo Process | Pad Printing |
| Surface Treatment | Overmolded |
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PA612 Nylon
PA612 Nylon is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior.
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