Guide bushes for bunches 
ISO 8978

Material: Case-hardened steel

Execution:
hardened and tempered, ground to tolerance inside and outside, with lead-in chamfer. 

Hardness: HRC 62 + 2

Ordering example for a guide bushes for punches ISO 8978 with d1 = 6,0 mm and outside diameter d2 = 16mm:
Guide bushes for punches ISO 8978 6,0 x 16

Bore d1 H6Incrementd2
n6
l1Euros ea.rt
from1,0to2,40,158,016,871,00,01
from1,6to3,00,1612,512,651,00,01
from2,0to3,50,1812,510,691,50,01
from3,0to5,00,11016,011,302,00,01
from4,0to7,20,11316,012,322,00,01
from6,0to8,80,11620,013,892,00,01
from7,5to11,30,12020,015,522,50,01
from11,0to16,60,12525,019,122,50,01
from15,0to20,00,53225,036,444,00,01
from18,0to27,00,54032,038,584,00,01
from26,0to36,00,55040,041,174,00,01

Increment of the bore:
0.1 mm up to d 16,6 mm and D 25 mm
0.5 mm from d 15,0 mm and D 32 mm