Snap-On TECHANGLE ATECH3F300BN - Using Negative Offsets; Offset Calculation Examples

6
Note: Head length entered is offset length measured from center of drive to center of fastener.
Use of Negative Offsets
Note: Enter a negative value for offset when used in reverse direction.
When length of an offset is negative, maximum fastener target is limited by following formulas:
240 in-lb wrench:
Maximum Target Torque =
offset * 24 + 240
100 ft-lb wrench:
Maximum Target Torque =
offset * 7 + 100
125 ft-lb wrench:
Maximum Target Torque =
offset * 7 + 125
Offset Max Target Offset Max Target Offset Max Target
-
1"
216 in
-
lb
-
1"
93 ft
-
lb
-
1"
116
ft
-
lb
-
2"
192 in
-
lb
-
2"
86 ft
-
lb
-
2"
107 ft
-
lb
-
3"
168 in
-
lb
-
3"
79 ft
-
lb
-
3"
98 ft
-
lb
-
4"
144 in
-
lb
-
4"
72 ft
-
lb
-
4"
89 ft
-
lb
250 ft-lb wrench:
Maximum Target Torque =
offset * 11 + 250
300 ft-lb wrench:
Maximum Target Torque =
offset * 12 + 300
Offset Max Target Offset Max Target
-
1"
239 ft
-
lb
-
1"
288 ft-lb
-
2"
228 ft
-
lb
-
2"
276 ft
-
lb
-
3"
217 ft
-
lb
-
3"
264 ft-lb
-
4"
206 ft
-
lb
-
4"
252 ft-lb
30 Nm wrench:
Maximum Target Torque =
offset * 0.12 + 30
135 Nm wrench:
Maximum Target Torque =
offset * 0.48 + 135
169 Nm wrench:
Maximum Target Torque =
offset * 0.27 + 169
Offset Max Target Offset Max Target Offset Max Target
-
25 mm
27 Nm
-
25 mm
123 Nm
-
25 mm
162 Nm
-
50 mm
24Nm
-
50 mm
111 Nm
-
50 mm
156 Nm
-
75 mm
21 Nm
-
75 mm
99 Nm
-
75 mm
149 Nm
-
100 mm
18 Nm
-
100 mm
87 Nm
-
100 mm
142 Nm
𝑜𝑓𝑓𝑠𝑒𝑡
𝑜𝑓𝑓𝑠𝑒𝑡
ENTER button (while least-significant digit highlighted)
UP/DOWN/ENTER
buttons
00
100.0
FT-LB
00
100.0
FT-LB
EXIT
SET HEAD LENGTH
SHOW DATA
CLEAR DATA
ENTER
button
held
SET HEAD LENGTH
3
.000
IN
ENTER
button
UNITS
button
SET HEAD LENGTH
0
76
.
2
Target Screen
UP/DOWN/ENTER
buttons
OFFSET IN USE
ENTER
button
Main menu