Bosch GSB 20-2 RET - Page 9

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Bosch Power Tools 1 609 929 M40 | (23.10.07)
Technical Data
Hammer Drill GSB ...
Professional
20-2 20-2 RE 20-2 RE 20-2 RCE 20-2 RET
Article number
0 601 ... 19B 0.. 19B 4.. 19B 5.. 19B 7.. 19B 9..
Rated power input
W750800 800 1010 1010
Output power
W350420 420 475 475
No-load speed
– 1st gear
– 2nd gear
rpm
rpm
1100
3000
0 – 1100
0
– 3000
0
– 1100
0
– 3000
0 – 1100
0
– 3000
0
– 1100
0
– 3000
Rated speed
– 1st gear
– 2nd gear
rpm
rpm
740
1 930
0 – 740
0
– 1 930
0
– 740
0
– 1 930
0 – 1100
0
– 3 000
0
– 1100
0
– 3 000
Impact frequency at no-load
bpm 48000 48000 48000 48000 48000
Rated torque (1st/2nd gear)
Nm 4.4/1.7 5.2/2.0 5.2/2.0 3.9/1.5 3.9/1.5
Electronic torque control
– –– – z
Speed Preselection
– zz zz
Constant electronic control
– ––zz
Right/left rotation
– zz zz
Dual gear feature
z zz zz
Key-type drill chuck
z z – ––
Keyless drill chuck – – z zz
Fully Automatic Spindle
Locking (Auto-lock)
– – z zz
Spindle collar dia.
mm 43 43 43 43 43
Maximum drilling diameter
(1st/2nd gear)
– Brickwork
–Concrete
– Steel
–Wood
mm
mm
mm
mm
22/16
20/13
13/8
40/25
22/16
20/13
13/8
40/25
22/16
20/13
13/8
40/25
22/16
20/13
16/8
40/25
22/16
20/13
16/8
40/25
Chuck clamping range
mm 1.5–13 1.5–13 1.5–13 1.5–13 1.5–13
Weight according to
EPTA-Procedure 01/2003
kg 2.5 2.5 2.5 2.6 2.6
Protection class
/II /II /II /II /II
The values given are valid for nominal voltages [U] of 230/240 V. For lower voltages and models for specific countries,
these values can vary.
Please observe the article number on the type plate of your power tool. The trade names of individual tools may vary.
OBJ_BUCH-129-002.book Page 9 Tuesday, October 23, 2007 2:57 PM