Bosch Power Tools 1375-01, 1375AK Selection Guide for Drills, Over N/mm Iron N/mm, Cast180

SELECTION GUIDE FOR DRILLS.

	number	Speed	[rpm]
Order			Frequency

2

2

up

to

2

up

tp

2

copper,

to

up

over N/mm

iron N/mm

iron

N/mm

N/mm

Brass,bronze

Silumin

Aluminium

Seel 600

Seel 600

Cast180

Cast300

plastic

Selection of the right drill depends mainly on the following two points: drill bit diameter and

the recommended cutting speed of the material to be processed.

In the table, the preferred bit sizes are assigned to the individual drill types for some common materials. The table shows the drill bit sizes with which the individual types are able to reach the recommended cutting speeds. However, the feed of hand-held tools cannot be incre- ased arbitrarily with increasing bit diameter, since the necessary feed force can no longer be applied. For this reason, the maximum bit dia- meters for steel and aluminium are allocated to the individual types on page 6. These maximum diame- ters were determined by tests, un- like the information in the table. In order to achieve a sufficient cutting speed with normal hand pressure, some materials should be predrilled for the following bit diameters:

steel up to 600 N/mm2 as of 8 mm

steel up to 600 N/mm2 as of 6 mm

cast iron up to 180 N/mm2 as of 10 mm

cast iron up to 300 N/mm2 as of 8 mm

Note: If only one bit diameter is specified in the table, it refers to the lower limit of the recommen- ded cutting speed. If nothing is specified, the recommended bit diameter is outside the clamping range of the standard chuck.

Cutting speed [m/min]:

0 602 120 101 / ...104 / ...107	2450	200
0 602 120 104	3700	300
0 602 121 101 /...104 / ...107	1350	200
0 602 121 104	2000	300
0 602 131 101 / ...104 / ...107	1350	200
0 602 131 104	2050	300
0 602 133 101 / ...104	690	200
0 602 133 107	1000	200
0 602 133 104	1030	300
0 602 134 101	3300	200
0 602 135 001 / ...004	1600	200
	2400	200
0 602 135 101 / ...104	900	200
	1500	200
0 602 135 104	1500	300
	2200	300
0 602 117 001 / ...004 / ...008	510	200
0 602 117 004	760	300

0 602 119 001 / ...004	/ ...008	216	200
		512	200
0 602 119 004		328	300

20 to 25 15 to 20 20 to 30 10 to 20 50 to 60 30 to 40 80 to 120

Drill diameter (mm)

2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 1416 18 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 1618 20 22 24

2	4	6	8 10 12 14 1618 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 22 24
2	4	6	8 10 12 14 1618 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 22 24
1. gear
2. gear
1. gear
2. gear
1. gear
2. gear
2	4	6	8 10 12 14 1618 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 22 24
2	4	6	8 10 12 14 1618 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 2224	2	4	6	8 10 12 14 16 18 20 22 24
1. gear
2. gear
1. gear

775 300

2. gear

6 7