How to use gb thinwall benders, For one-shot hydraulic benders, 90° stub-up instructions – Gardner Bender Guide to Profitable Bending User Manual
Page 23: Thinwall benders 11⁄4"-2" emt conduit
How to Use
GB Thinwall Benders
90° Stub-up
Instructions
S
Set Back
H
Turn up Required
Tapered End
of Bar to be
at Start of
Bend
Start Bend at Arrow
Cylinder
80
7
5
60
45
30
15
0
34
Thinwall Benders 11⁄4"-2" EMT Conduit
For One-shot
Hydraulic Benders
*(R) Centerline radius (Inches)
**(L) Minimum length of conduit required on each end of bend
mark (inches)
23
Diagonal Distance (D) Chart
Rise
Bend Angle
(H) (in.)
15°
30°
45°
60°
2
7
3
⁄
4
4
2
13
⁄
16
2
5
⁄
16
4
15
7
⁄
16
8
5
11
⁄
16
4
5
⁄
8
6 23
3
⁄
16
12
8
1
⁄
2
6
15
⁄
16
8
30
15
⁄
16
16
11
5
⁄
16
9
1
⁄
4
10
38
5
⁄
8
20
14
1
⁄
8
11
9
⁄
16
12
46
3
⁄
8
24
17
13
7
⁄
8
14
54
1
⁄
16
28
19
13
⁄
16
16
3
⁄
16
16
61
13
⁄
16
32
22
5
⁄
8
18
1
⁄
2
18
69
9
⁄
16
36
25
7
⁄
16
20
13
⁄
16
20
77
1
⁄
4
40
28
5
⁄
16
23
1
⁄
8
22
85
44
31
1
⁄
8
25
3
⁄
8
24
92
3
⁄
4
48
33
15
⁄
16
27
11
⁄
16
Nominal
(S)
Set-back measurement (in.)
Conduit
Sweep Benders One-shot Benders
Size
15°
30°
45°
60°
(R) *
(L) **
1
⁄
2
"
—
1
⁄
8
1
⁄
4
7
⁄
16
3
1
⁄
4
7
1
⁄
2
3
⁄
4
"
1
⁄
16
3
⁄
16
5
⁄
16
9
⁄
16
4
1
⁄
2
8
3
⁄
4
1"
1
⁄
16
1
⁄
4
7
⁄
16
3
⁄
4
5
3
⁄
4
10
1
⁄
4
1
1
⁄
4
"
1
⁄
8
1
⁄
4
1
⁄
2
7
⁄
8
7
1
⁄
4
11
1
⁄
2
1
1
⁄
2
"
1
⁄
8
5
⁄
16
5
⁄
8
1
8
1
⁄
4
13
1
⁄
4
2"
3
⁄
16
3
⁄
8
11
⁄
16
1
3
⁄
16
9
1
⁄
2
15
2
1
⁄
2
"
3
⁄
16
7
⁄
16
13
⁄
16
1
3
⁄
8
10
1
⁄
2
16
3
⁄
4
3"
1
⁄
4
9
⁄
16
1
1
11
⁄
16
13
18
1
⁄
2
3
1
⁄
2
"
1
⁄
4
5
⁄
8
1
1
⁄
8
1
15
⁄
16
17
1
⁄
2
22
1
⁄
4
4"
5
⁄
16
3
⁄
4
1
3
⁄
8
2
1
⁄
2
20
24
1
⁄
4
5"
3
⁄
8
7
⁄
8
1
3
⁄
4
2
7
⁄
8
30 25
E-507 Guide to Profitable Bending rA.qxd 10/19/09 3:17 PM Page 45