::: 2. DBT Core Drill Bit :::

       
       
 
 
 
 
 

NO.

호칭규격

D0

D1

D

d

L1

L2

1

Φ98

98

90

97

91

170.5

120.5

2

Φ90

90

83

89

84

400.5

350.5

3

Φ88

88

80

87

81

400.5

350.5

 

재질

NO.

DESCRIPTON

MATL.

1

BIT

STKM13A

2

ADAPTER

STKM13A

3

DIAMOND

 

4

BOSS

S45C