Gardner Bender Electric Sidewinder (Multiple 180° shoes): radius, deduct and gain
The Gardner Bender Electric Sidewinder (Multiple 180° shoes) is an electric bender for EMT, rigid (RMC), and IMC, 1/2" to 2". These are the numbers BendMate uses for each of its shoes.
Part numbers: B2555, B2555RIG, B2555EMT, B2555IMC; shoe groups BRIG-52 (RS-5125, RS-152), BEMT-52 (ES-5125, ES-15, ES-2), BIMC-152 (IS-15, IS-2)
Specs by shoe
| Size | Centerline radius | Deduct | Gain | Notes |
|---|---|---|---|---|
| 1/2" EMT | 4 1/4" | 7" | 2 1/2" | Gain worked out from the radius. ES-5125 shoe. |
| 3/4" EMT | 5 3/8" | 8 7/8" | 3 1/4" | Gain worked out from the radius. ES-5125 shoe. |
| 1" EMT | 6 3/4" | 10 3/4" | 4 1/16" | Gain worked out from the radius. ES-5125 shoe. |
| 1-1/4" EMT | 8 3/4" | 13 1/8" | 5 1/4" | Gain worked out from the radius. ES-5125 shoe. |
| 1-1/2" EMT | 8 5/16" | 13 7/8" | 5 5/16" | Gain worked out from the radius. ES-15 shoe. |
| 2" EMT | 9 3/16" | 15 3/8" | 6 1/8" | Gain worked out from the radius. ES-2 shoe. The catalog prints 9-9/16; the manuals print 9-3/16, used here. |
| 1/2" RMC | 4 3/8" | 8 1/2" | 2 11/16" | Gain worked out from the radius. RS-5125 shoe. |
| 3/4" RMC | 4 1/2" | 8 1/2" | 3" | Gain worked out from the radius. RS-5125 shoe. |
| 1" RMC | 5 3/4" | 10" | 3 13/16" | Gain worked out from the radius. RS-5125 shoe. |
| 1-1/4" RMC | 7 1/4" | 12 3/4" | 4 3/4" | Gain worked out from the radius. RS-5125 shoe. |
| 1-1/2" RMC | 8 1/4" | 14 1/4" | 5 7/16" | Gain worked out from the radius. RS-152 shoe. |
| 2" RMC | 9 1/2" | 16 1/8" | 6 7/16" | Gain worked out from the radius. RS-152 shoe. |
| 1/2" IMC | 4 3/8" | 8 1/2" | 2 11/16" | Gain worked out from the radius. Bent in the RS-5125 rigid shoe. Radius from the GB catalog, deduct from the manual. |
| 3/4" IMC | 4 1/2" | 8 1/2" | 2 15/16" | Gain worked out from the radius. Bent in the RS-5125 rigid shoe. Radius from the GB catalog, deduct from the manual. |
| 1" IMC | 5 3/4" | 10" | 3 3/4" | Gain worked out from the radius. Bent in the RS-5125 rigid shoe. Radius from the GB catalog, deduct from the manual. |
| 1-1/4" IMC | 7 1/4" | 12 3/4" | 4 3/4" | Gain worked out from the radius. Bent in the RS-5125 rigid shoe. Radius from the GB catalog, deduct from the manual. |
| 1-1/2" IMC | 8 5/16" | 13 3/4" | 5 7/16" | Gain worked out from the radius. IS-15 shoe. |
| 2" IMC | 9 3/16" | 15 1/4" | 6 5/16" | Gain worked out from the radius. IS-2 shoe. The catalog prints 9-9/16; the manuals print 9-3/16, used here. |
Marks on the shoe
- 1Front edge of the hookLine your marks up here. This is the arrow the app’s marks are for.
The angle is read with the pointer on the degree scale.
Where the numbers come from
Bend with the Gardner Bender Electric Sidewinder (Multiple 180° shoes) in BendMate
Choose it in the app and every mark comes from these numbers. Edit any of them to match your own bender.
Common questions
What is the deduct for 1/2" EMT on the Gardner Bender Electric Sidewinder (Multiple 180° shoes)?
7". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 4 1/4" and its back-of-90 gain is 2 1/2".
What is the deduct for 3/4" EMT on the Gardner Bender Electric Sidewinder (Multiple 180° shoes)?
8 7/8". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 5 3/8" and its back-of-90 gain is 3 1/4".
What is the deduct for 1" EMT on the Gardner Bender Electric Sidewinder (Multiple 180° shoes)?
10 3/4". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 6 3/4" and its back-of-90 gain is 4 1/16".
What is the deduct for 1-1/4" EMT on the Gardner Bender Electric Sidewinder (Multiple 180° shoes)?
13 1/8". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 8 3/4" and its back-of-90 gain is 5 1/4".
Brand and model names only identify the bender. BendMate isn’t affiliated with or endorsed by Gardner Bender. Check the numbers against the markings on your own bender.