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SELECTION GUIDE

Brazed Head Grades

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

Ø.315– .582” Ø.496 ~ .787” DEEP DRILLING - BTA SYSTEM
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

ISD-E1 ISD-E3
ISD-E1 (UTE style) STS ISD-E3 (BTU style) STS IDD-E3 (ETU style) DTS

Ø.496 ~ .787” 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 P *
PZ PZT PZX2T

*
M M PZX2T
KZ

PZN
K K

N KZ N *

KZK
S
S KZK
* indicates the first recommendation

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