Center Drill
Product Code: METRIC | INCH
Icon Guide:
- Technical Specification
- Tool Selection Chart
- Tool Parameters
- Product Drawing (PDF)
METRIC | INCH
- METRIC
|
ITEM CODE
|
PILOT DIA
D |
BODY DIA
d |
CEL
I |
OAL
L |
|
CDXA 160 040
|
1.6
|
4
|
2.4
|
35
|
|
CDXA 200 050
|
2
|
5
|
2.9
|
40
|
|
CDXA 250 063
|
2.5
|
6.3
|
3.6
|
45
|
|
CDXA 315 080
|
3.15
|
8
|
4.4
|
50
|
|
CDXA 400 100
|
4
|
10
|
5.6
|
56
|
|
CDXA 500 125
|
5
|
12.5
|
6.9
|
63
|
|
CDXA 630 160
|
6.3
|
16
|
8.6
|
71
|
- INCH
|
ITEM CODE
|
PILOT DIA
D |
BODY DIA
d |
CEL
I |
OAL
L |
|
CBXA 062 187
|
1/6″
|
3/16″
|
3/32″
|
1-3/4″
|
|
CBXA 093 250
|
3/32″
|
1/4″
|
5/32″
|
2″
|
|
CBXA 125 312
|
1/8″
|
5/16″
|
3/16″
|
2-1/4″
|
|
CBXA 187 437
|
3/16″
|
7/16″
|
9/32″
|
2-1/2″
|
|
CBXA 250 625
|
1/4″
|
5/8″
|
3/8″
|
3″
|
|
CUTTING SPEED (Vc) TABLE
|
||||
|
Material Code
|
Material Group
|
HRC
|
Vc
|
|
|
A
|
Cast Iron, Aluminium
|
25~28
|
80~90
|
|
|
B
|
EN Series, Mild Steel
|
30~35
|
70~80
|
|
|
C
|
High-hardened Steel
|
50~60
|
20~30
|
|
|
D
|
Stainless Steel
|
20~25
|
30~40
|
|
|
TABLE FEED (Fz) CHART
|
|
|
Dia of Drill
|
f (Feed per Revolution)
|
|
∅2 ~ ∅4
|
0.020 ~ 0.030
|
|
∅4 ~ ∅6
|
0.030 ~ 0.050
|
|
∅6 ~ ∅8
|
0.060 ~ 0.080
|
|
∅8 ~ ∅10
|
0.080 ~ 0.100
|
|
∅10 ~ ∅12
|
0.100 ~ 0.120
|
|
∅12 ~ ∅16
|
0.120 ~ 0.150
|
