Gruv-One RG-4M Manual Roll Groover | Patented Compact Pipe Grooving Tool for 1-1/4"–6" Steel Pipes
- Model
- RG-4M(Gruv-One)
Item specifics
- Fabrication Capacity
- 1 1/4"-6"(DN25-DN150) Steel Pipe
- Max Wall Thickness
- 7mm
- Operation radius
- 90 mm / 3-1/2"
- Packing Size
- 37*34*22 CM
- Net Weight
- 9.65 KG
- Gross Weight
- 13.2 KG
Review
Description
Gruv-One Manual Roll Groover
The World's First Patented Compact Pipe Grooving Tool with 90 mm Working Radius
Key Features
Features of Manual Roll Groover Machine
· The Gruv-One is the world's first patented compact roll groover, achieving a minimum working radius of only 90 mm for pipe grooving in spaces inaccessible to conventional machines.
· Compact and portable design with a dedicated toolbox, allowing easy transportation and operation in confined working spaces.
· Designed for steel pipes from 1-1/4" to 6" (DN32–DN150), suitable for common fire protection and mechanical piping applications.
· Two-stage gear reduction system ensures smooth operation with reduced manual effort.
· Quick shaft replacement design allows convenient configuration changes and easier maintenance.
RG-4M Manual Roll Groover Operation
Pipe Roll Grooving Machine Parameter

Model: | RG-4M |
Suitable materials: | Carbon Steel,SS Pipe |
Fabrication Capacity: | 1 1/4"-4"SCH10/405"-6" SCH10/20 |
Operation | Manual |
Max wall thickness: | 7mm |
Operation radius (mm): | 90mm |
Operation radius (In): | 3 1/2" |
Net Weight: | 9.65 KG |
Gross Weight | 13.2 KG |
Packing size: | 37*34*22 CM |
Standard Configuration & Optional Accessories
Drive Unit
Catalog No. | Description | Net weight | Size(cm) | ||||
999113 | 1 ¼"-6" roll grooving assembly | 12 KG | 49*22*40 | ||||
Standard
Catalog No. | Description | Net weight | ||||
911010 | Drive roller 1 ¼"~6" (Φ42~Φ168) | 0.70 KG | ||||
912016 | Groove roller 1"~6" (Φ33~Φ168) | 0.30 KG | ||||
998036 | Rachet with socket | 1.65 KG | ||||
Optional
Catalog No. | Description | Net weight | ||||
998034 | HDPE tool case | 2.70 KG | ||||
Roll Grooving Machine Configuration
World's First Patented Compact Roll Groover
The Gruv-One is the world's first patented compact roll groover, achieving a minimum working radius of only 90 mm for pipe grooving in spaces inaccessible to conventional machines.
Manual Operation Without Power Supply
The manual drive design eliminates the need for electricity, allowing flexible operation at different job sites, especially in maintenance and installation applications.
Compact & Portable Design
The lightweight and compact structure with a dedicated toolbox makes transportation and storage easier, providing a convenient solution for on-site grooving.
Two-Stage Gear Reduction System
The two-stage gear reduction mechanism provides smooth transmission and reduces the effort required during manual grooving.
Resources of RG-3M Roll Grooving Machine
Compatible Tools & Accessories
Provides stable pipe support during grooving operations, ensuring secure positioning and improved working efficiency.
Provides stable pipe clamping for bench-top applications, ensuring secure positioning and efficient pipe processing.
RG-4M Overview
Pipe Roll Grooving Machine Comparasion









