Material
ASTM-A653 CS Type B Galvanized Steel, G-30 Coating LFQ Chemical Treatment
Assembly
Starting Collars are assembled with 1/8″ x 1/8″ Zinc Coated Steel Rivets
Collar
Rolled formed to a bell-shaped bead and features 1 1/2 crimp and 3/8″ convex bead for branch duct connection
Options
261SL – 1 1/8″ Tabs available 4″ through 20″
| SKU | Description | Box Qty. |
|---|---|---|
| 261S10 | 261-S 10″ COLLAR | 25 |
| 261S12 | 261-S 12″ COLLAR | 20 |
| 261S14 | 261-S 14″ COLLAR | 15 |
| 261S6 | 261-S 6″ COLLAR | 60 |
| 261S8 | 261-S 8″ COLLAR | 40 |
| 261SC10 | 261SC 10″ FLEX CONN | 25 |
| 261SC12 | 261SC 12″ FLEX CONN | 20 |
| 261SC14 | 261SC 14″ FLEX CONN | 15 |
| 261SC4 | 261SC 4″ FLEX CONN | 60 |
| 261SC6 | 261SC 6″ FLEX CONN | 60 |
| 261SC7 | 261SC 7″ FLEX CONN | 50 |
| 261SC8 | 261SC 8″ FLEX CONN | 40 |
| 261SC9 | 261SC 9″ FLEX CONN | 30 |
| 261SL10 | 261SL 10″ COLLAR W/ LONG TABS | 25 |
| 261SL12 | 261SL 12″ COLLAR W/ LONG TABS | 20 |
| 261SL14 | 261SL 14″ COLLAR W/ LONG TABS | 15 |
| 261SL16 | 261SL 16″ COLLAR W/ LONG TABS | 12 |
| 261SL18 | 261SL 18″ COLLAR W/ LONG TABS | 12 |
| 261SL4 | 261SL 4″ COLLAR W/ LONG TABS | 60 |
| 261SL5 | 261SL 5″ COLLAR W/ LONG TABS | 60 |
| 261SL6 | 261SL 6″ COLLAR W/ LONG TABS | 60 |
| 261SL7 | 261SL 7″ COLLAR W/ LONG TABS | 50 |
| 261SL8 | 261SL 8″ COLLAR W/ LONG TABS | 40 |
We deliver the highest quality products in the industry. Are you ready to experience the Royal Advantage?
© 2026 · Royal Metal Products
All rights reserved.
