DIN 179/ISO 4247

Cylindrical drill bushes
DIN 179 / ISO 4247

Type A:
Bore rounded at one end.
Manufactured of special steel,
hardened, ground to tolerance inside and outside, with lead-in chamfer.
Type B:
Bore rounded at both ends.

Hardness: HRC 62 +2

Ordering Example for a drill bush, type A with d1 = 18 mm and L = 16 mm:
Drill bush DIN 179 A 18 x 16

Bore d1 F7				d2 n6	short L	Euros ea.	medium L	Euros ea.	long L	Euros ea.
from	0,6			3	6	11,50	-	-	-	-
from	0,7	to	0,8	3	6	8,00	-	-	-	-
from	0,9	to	1,0	3	6	5,60	9	6,70	-	-
from	1,1	to	1,8	4	6	3,50	9	4,03	-	-
from	1,9	to	2,6	5	6	1,70	9	1,83	-	-
from	2,7	to	3,3	6	8	1,76	12	1,92	16	2,93
from	3,4	to	4,0	7	8	1,81	12	1,94	16	2,81
from	4,1	to	5,0	8	8	1,92	12	2,00	16	2,89
from	5,1	to	6,0	10	10	1,94	16	2,23	20	3,18
from	6,1	to	8,0	12	10	2,14	16	2,43	20	3,40
from	8,1	to	10,0	15	12	2,39	20	2,79	25	3,99
from	10,1	to	12,0	18	12	2,69	20	3,18	25	4,29
from	12,1	to	15,0	22	16	2,98	28	4,01	36	5,44
from	15,1	to	18,0	26	16	3,68	28	4,91	36	6,23
from	18,1	to	22,0	30	20	4,88	36	6,33	45	10,03
from	22,1	to	26,0	35	20	5,82	36	7,34	45	10,73
from	26,1	to	30,0	42	25	7,70	45	9,41	56	11,81
from	30,1	to	35,0	48	25	9,00	45	11,79	56	25,97
über 35,0 on inquiry

Increment of the bore d1 = 0,1 mm up to 18.0 and 0.5 mm over 18.0.
Intermediate sizes are available at extra cost.

Type B (bore rounded at both ends) = 10% extra

Quantity discounts only for DIN 179

from 50 per size = 5%
from 100 per size = 15%
from 200 per size = 20%
from 500 per size = 30%

Cylindrical drill bushes DIN 179 / ISO 4247

Cylindrical drill bushes
DIN 179 / ISO 4247