F
eatures and benefits
P 5 / 8
The relation between bpm. and fastening torque
Fastening standard bolt
Fastening high tensile bolt
0
0
20
40
60
80
100
100
25
50
75
150
120
140
N.m
(Kgf.cm)
N.m (Kgf.cm)
(204)
20
(204)
(408)
40
(408)
(612)
60
(612)
(816)
80
(816)
(1,020)
100 (1,020)
(1,224)
120 (1,224)
(1,428)
140 (1,428)
160 (1,632)
180 (1,836)
200 (2,040)
220 (2,244)
240 (2,448)
260 (2,652)
(bpm.)
(Dial pre-
selection)
25
50
75
98
99
99
(Dial pre-
selection)
50
1
2
3
1
2
3
4
5
6
(Time: sec.)
(Time: sec.)
Standard fastening
torque for M 16
Standard fastening
torque for M 14
Standard fastening
torque for M 12
Standard fastening
torque for M 10
M12
M14
M16
100
150
196
250
300 (bpm.)
50
Standard fastening
torque for M 12
Standard fastening
torque for M 10
Standard fastening
torque for M 8
M10
M8
M12
C
omparison of products
Specifications
Battery Voltage (V)
Current capacity (Ah)
Energy Capacity (Wh)
Cell
Type
Fastening torque:N.m (kgf.cm)
Net weight: kg (lbs)
(including battery)
Model
BTW151
Makita
14.4
2.0
3.3
28.8
47.5
BH1420 BH1433
Ni-MH
0 - 2,300
0 - 3,000
150 (1,530)
1.9 (4.2)
2.2 (4.9)
No load speed (min
-1
=rpm)
Impacts per minute (min
-1
=ipm)
193 (7-5/8)
78 (3-1/16)
253 (10)
* 225(7-5/8)
* 60(3-1/16)
* 235(10)
225(8-3/16)
60(2-3/8)
235(9-1/4)
276 (10-7/8)
276 (10-7/8)
(including battery)
(including battery)
BTW150
* 6931D
14.4
14.4
57.6
2.0
4.0
3.3
28.8
47.5
BH1420
* 1402
BH1433
Ni-MH
Ni-Cd
0 - 2,300
0 - 3,000
150 (1,530)
0 - 1,900
0 - 2,300
147 (1,500)
1.9 (4.2)
2.2 (4.9)
4.2 (9.3)
193 (7-5/8)
78 (3-1/16)
253 (10)
Dimensions
Length : mm ( " )
Height : mm ( " )
Width : mm ( " )
* 6931D : The power source is a shoulder slug type battery, to which Mod.6931D is connected with cable.
