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USER GUIDE
DEEP DRILLING - BTA SYSTEM

Grade of Brazed Heads

DSD-E0 DSD-E2
DSD-E0 (MBU style) STS DSD-E2 (BTU 2tip style) STS

Ø8 -14.79 mm (Ø.315– .582”) Ø12.60 ~ 20.00 mm (Ø.496” ~ .787”)
ISO Wear resistance Shock resistance ISO Wear resistance Shock resistance
10 20 30 40 10 20 30 40

P P
PZ PZT

M M
KZ PZN

K K

N N

S KZ S PZT

DSD-E1 DSD-E3
DSD-E1 (UTE style) STS DSD-E3 (BTU style) STS DDD-E3 (ETU style) STS

Ø12.60 ~ 20.00 mm (Ø.496” ~ .787”) Ø15.60 ~ 65.00mm Ø18.40 ~ 65.00mm
(Ø.615” ~ 2.559”) (Ø.725” ~ 2.559”)
ISO Wear resistance Shock resistance
ISO Wear resistance Shock resistance
10 20 30 40
10 20 30 40

P *
PZ P
PZT PZX2T

M *
M PZX2T
KZ

K PZN
K
N KZ
N *

KZK
S KZK S
* indicates the first recommendation

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