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CENTER
DRILL
ISO 866, DIN333A, Plain type
|
Size (d) |
D (Body Diameter) |
L (Allover Length) |
|
1 |
3.15 |
31.5 |
|
1.25 |
3.15 |
31.5 |
|
1.6 |
4 |
35.5 |
|
2 |
5 |
40 |
|
2.5 |
6.3 |
45 |
|
3.15 |
8 |
50 |
|
4 |
10 |
56 |
|
5 |
12.5 |
63 |
|
6 |
16 |
71 |
|
8 |
20 |
80 |
ANSI B94.11M, Type A
|
No. |
Size (d) |
D (Body Diameter) |
Allover Length |
|
1# |
3/64" |
1/8" |
1-1/4" |
|
2# |
5/64" |
3/16" |
1-7/8" |
|
3# |
7/64" |
1/4" |
2" |
|
4# |
1/8" |
5/16" |
2-1/8" |
|
5# |
3/16" |
7/16" |
2-3/4" |
|
6# |
7/32" |
1/2" |
3" |
|
7# |
1/4" |
5/8" |
3-1/4" |
|
8# |
5/16" |
3/4" |
3-1/2" |
ISO2540, DIN333B, Bell Type
|
Size (d) |
D (Body Diameter) |
Bell Size |
L (Allover Length) |
|
1 |
4 |
2.12 |
31.5 |
|
1.25 |
5 |
2.66 |
31.5 |
|
1.6 |
6.3 |
3.35 |
35.5 |
|
2 |
8 |
4.25 |
40 |
|
2.5 |
10 |
5.3 |
45 |
|
3.15 |
11.2 |
6.7 |
50 |
|
4 |
14 |
8.5 |
56 |
|
5 |
18 |
10.6 |
63 |
|
6.3 |
20 |
13.2 |
71 |
|
8 |
25 |
17 |
80 |
ANSI B94.11M, Bell Type B
|
No. |
Size (d) |
Body Diameter |
Bell dia. |
Allover Length |
|
11# |
3/64" |
1/8" |
0.1 |
1-1/4" |
|
12# |
1/16" |
3/16" |
0.15 |
1-7/8" |
|
13# |
3/32" |
1/4" |
0.2 |
2" |
|
14# |
7/64" |
5/16" |
0.25 |
2-1/8" |
|
15# |
5/32" |
7/16" |
0.35 |
2-3/4" |
|
16# |
3/16" |
1/2" |
0.4 |
3" |
|
17# |
7/32" |
5/8" |
0.5 |
3-1/4" |
|
18# |
1/4" |
3/4" |
0.6 |
3-1/2" |
Combined Drill and Countersinks, Long Series
|
Size (d) |
D (Body Diameter) |
d (DR. Diameter) |
L (Allover Length) |
|
1# |
1/8" |
3/64" |
3" |
|
1# |
1/8" |
3/64" |
4" |
|
1# |
1/8" |
3/64" |
5" |
|
1# |
1/8" |
3/64" |
6" |
|
2# |
3/16" |
5/64" |
4" |
|
2# |
3/16" |
5/64" |
5" |
|
2# |
3/16" |
5/64" |
6" |
|
3# |
1/4" |
7/64" |
4" |
|
3# |
1/4" |
7/64" |
5" |
|
3# |
1/4" |
7/64" |
6" |
|
4# |
5/16" |
1/8" |
4" |
|
4# |
5/16" |
1/8" |
5" |
|
4# |
5/16" |
1/8" |
6" |
|
4-1/2# |
3/8" |
9/64" |
4" |
|
4-1/2# |
3/8" |
9/64" |
5" |
|
4-1/2# |
3/8" |
9/64" |
6" |
|
5# |
7/16" |
3/16" |
4" |
|
5# |
7/16" |
3/16" |
5" |
|
5# |
7/16" |
3/16" |
6" |
|
6# |
1/2" |
7/32" |
5" |
|
6# |
1/2" |
7/32" |
6" |
|
7# |
5/8" |
1/4" |
5" |
|
7# |
5/8" |
1/4" |
6" |
|
8# |
3/4" |
5/16" |
6" |
HSS DOUBLE END DRILLS
 |
* this
drills have flutes and cutting points on
both ends. this allows the user with the ability to
reverse the drill and utilize both ends.
* 135 split point starts drilling immediately.
* twice as many holes as a single end drill bit.
* used primarily in small machine shops and
automatic body shops for drilling holes for
sheet metal screws or rivets.
* for drilling thin sheet metals, steel sheet, sheet
brass, sheet aluminum and plastic sheets. |
|
dia. |
working length |
overall length |
|
2 |
8 |
38 |
|
2.5 |
10 |
43 |
|
3 |
11 |
46 |
|
