Drills
IWATA TOOL
GSS Starting Drill Series
90GSS-ALT
Sentering and Chamfering Point
Model Number
Dia.
Length
of Cut Overrall
Length Shank
Angle
90GSS3ALT
3
12
50
3
135°
90GSS4ALT
4
15
55
4
90GSS5ALT
5
16
60
5
90GSS6ALT
6
20
65
6
90GSS8ALT
8
25
80
8
90GSS10ALT
10
30
90
10
90GSS12ALT
12
35
100
12
90GSS16ALT
16
40
115
16
90GSS20ALT
20
50
130
20
90GSS25ALT
25
60
150
25
■Tool Material:HSS ■Surface treatment:ALT Coating ■Point Angle:90°
135GSS-ALT
Sentering Point
Model Number
Dia.
Length
of Cut Overrall
Length Shank
Angle
135GSS3ALT
3
12
50
3
135°
135GSS4ALT
4
15
55
4
135GSS5ALT
5
16
60
5
135GSS6ALT
6
20
65
6
135GSS8ALT
8
25
80
8
135GSS10ALT
10
30
90
10
135GSS12ALT
12
35
100
12
135GSS16ALT
16
40
115
16
135GSS20ALT
20
50
130
20
135GSS25ALT
25
60
150
25
■Tool Material:HSS ■Surface treatment:ALT Coating ■Point Angle:135°