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Denominazione
Ruota dentata
Versione 1
semplice
Versione 2
preforato
DIN ISO
DIN ISO 606
Materiale Corpo base
acciaio
Superficie corpo base
grezzo
D1=Diametro primitivo
315,4
N=N. di denti
78
B1
7,2
C
1,3
D
321,9
D3
25
D3 max.
25
Divisione pollici (PxB1)
1/2X5/16
N. ISO
08 B-1
Passo mm
12,7 x 7,75
R
13
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Low-carbon steel.
Version
Bright, not hardened (cannot be hardened).
Note
Sprockets for DIN ISO 606 roller chains.
The disc sprockets have a centre bore or are pre-drilled (this can vary due to production methods). For this reason, the dimension D3 max. given in the table is the maximum diameter of the bore that the disc sprockets are supplied with. This pilot hole/centre bore can be customised with a reamed hole, reamed hole with keyway or a tapped hole by the customer. Alternatively, bushes can be fitted by the customer to reduce the diameter.
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