Product
Backer pad
Rigid backer pad
Alluminium backer pad spec

| Item No. | Outer Diameter (Inch) | Outer Diameter (mm) | Thread | Remarks |
| SM-BUA-03BUAC-03 | 3 | 80 | M14 M165/8"-11 | Item No. with "C" means copper thread |
| SM-BUA-04BUAC-04 | 4 | 100 | M14 M165/8"-11 | Item No. with "C" means copper thread |
| SM-BUA-05BUAC-05 | 5 | 125 | M14 M165/8"-11 | Item No. with "C" means copper thread |
| SM-BUA-06BUAC-06 | 6 | 150 | M14 M165/8"-11 | Item No. with "C" means copper thread |
| SM-BUA-07BUAC-07 | 7 | 180 | M14 M165/8"-11 | Item No. with "C" means copper thread |
Colored alluminium backer pad spec

| Item No. | Outer Diameter (Inch) | Outer Diameter (mm) | Thread |
| SM-BUF-03 | 3 | 80 | M14 M165/8"-11 |
| SM-BUF-04 | 4 | 100 | M14 M165/8"-11 |
| SM-BUF-05 | 5 | 125 | M14 M165/8"-11 |
| SM-BUF-06 | 6 | 150 | M14 M165/8"-11 |
| SM-BUF-07 | 7 | 180 | M14 M165/8"-11 |
Plastic backer pad spec

| Item No. | Outer Diameter (Inch) | Outer Diameter (mm) | Thread |
| SM-BUP-04 | 4 | 100 | M14 M16 5/8"-11 |
Flexiable backer pad spec

| Item No. | Outer Diameter (Inch) | Outer Diameter (mm) | Thread |
| SM-BUF-03 | 3 | 80 | M14 M165/8"-11 |
| SM-BUF-04 | 4 | 100 | M14 M165/8"-11 |
| SM-BUF-05 | 5 | 125 | M14 M165/8"-11 |
| SM-BUF-06 | 6 | 150 | M14 M165/8"-11 |
| SM-BUF-07 | 7 | 180 | M14 M165/8"-11 |
Super Flexiable backer pad spec

| Item No. | Outer Diameter (Inch) | Outer Diameter (mm) | Thread |
| SM-BUP-04 | 4 | 100 | M14 M16 5/8"-11 |
Backer pad









