Drill rod
Male-ended R32 extension rod
R32 male thread at both coupling positions
Not for T38, T45 or DTH connections.
Drill Rod Coupling Sleeve
R32–R32 Coupling Sleeve for Top Hammer Drill Rods
Model:R32–R32
Selected configuration:Standard R32–R32
Selected reference:PFM-R32-COUPLING
R32–R32 coupling sleeves for male-ended top-hammer drill rods, with standard and full-bridge structures quoted separately.
Confirm thread gauge, sleeve structure, length, outside diameter and mating rod before production.
- R32–R32 same-thread connection
- Standard sleeve as the default configuration
- Full-bridge version quoted as a separate structure
Select
Request a Configuration-Based Quote
Send both-end thread systems, coupling outside diameter, length and bore, bridge stop or internal structure, material heat-treatment and hardness basis, matching shank adapter rods and bit, supply scope, quantity and delivery country.
At a Glance
R32–R32Thread Connection
Standard sleeveDefault Structure
Full bridge — separate quotationOptional Structure
Technical Specifications
| Thread Connection | R32–R32 |
|---|---|
| Default Structure | Standard sleeve |
| Optional Structure | Full bridge — separate quotation |
| Length and Outside Diameter | Drawing-controlled |
Final interface dimensions, selected configuration and supply scope are stated in the formal quotation or approved drawing.
Compatibility and Required Interfaces
Coupling structure
Standard or full bridge
Internal stop/bridge geometry suited to the rod string
Crossover adapters are separate products and should not be specified as an R32–R32 sleeve.
Top-Hammer Coupling Configuration
Centered R32 Joint and Load Path
The sleeve joins two male-ended R32 rods so percussion, torque and flushing continue through the extension string.
Buyer value
Correct thread fit and sleeve structure support alignment and repeatable rod changes.
Selection condition
Confirm thread gauge, sleeve length/OD, bridge structure, grease practice and mating rod condition.
Application Scenarios
- Top-hammer extension drilling
- Quarry and underground development
- Rod-string maintenance and replacement
Quality and Pre-Shipment Checks
01
Thread Gauge and Dimensional Check
Recorded before shipment when included in the quotation
Approved R32–R32 configuration and ordered inspection scope
Check thread gauge result, sleeve dimensions, internal structure, marking and visible surface condition.
Supply Scope, MOQ and Delivery
Minimum Order QuantityConfirmed in written quotation
Lead TimeConfirmed in written quotation
Available Supply Configurations
- Final packing list confirmed in the written quotation
Export Packing
Final packaging, corrosion protection, crate or pallet method and shipping marks are confirmed in the written quotation.
Warranty and After-Sales
Warranty, spare-parts scope and service terms are confirmed in the written quotation for the selected supplier configuration.
Safety and Maintenance Notes
Order Documentation
Commercial invoice and packing list; any additional certificates are confirmed per order
Frequently Asked Questions
What is the difference between standard and full-bridge R32 sleeves?
A standard sleeve is the default same-thread connector. A full-bridge sleeve uses a different internal stop/bridge structure and must be quoted from the required rod-end geometry or sample.
Can this R32–R32 sleeve connect R32 to T38 or T45?
No. That requires a purpose-designed crossover adapter. This product is specified as an R32–R32 coupling sleeve.
Matched Top-Hammer Drill-String Interfaces
The R32 system combines the shank adapter, male-ended drill rods, R32–R32 coupling sleeves and a matched drill bit. Crossover adapters are separate products.
Ready to Confirm the Configuration?
Request a Quote for R32–R32
We will confirm both-end thread identities, coupling dimensions and internal structure, material heat-treatment and hardness basis, matched shank adapter rods and bit, optional spares, supply scope and export packing.
- Product-specific quotation
- Interface confirmation
- Export packing options
Product Evidence
Product, Component, Configuration and Packing Views
Confirm thread gauge, sleeve structure, length, outside diameter and mating rod before production.
Images support product identification and configuration discussion. Final supplied configuration, inspection scope and packing details are confirmed in the formal quotation.