-40%
LastCut 12 PCS Number #19 COBALT JOBBER DRILL BIT,135 DEG SPLIT POINT, NAS 907
$ 11.57
- Description
- Size Guide
Description
12 PCS #19 COBALT JOBBER,135 DEG SPLIT POINT, N.A.S 907
MADE FROM SOLID COBALT ALLOY.
USE THIS DRILL WHEN DRILLING STAINLESS STEEL, TOOL STEEL OR OTHER TOUGH ALLOY STEELS.
We hope that this chart helps you to choose the correct size drill.
Protag Lastcut
(305)9265971 Ebay ID maureenjobob
Dec. No. Dec. No.
0.0400 60 0.1285 30
0.0410 59 0.1360 29
0.0420 58 0.1405 28
0.0430 57 0.1440 27
0.0465 56 0.1470 26
0.0520 55 0.1495 25
0.0550 54 0.1520 24
0.0595 53 0.1540 23
0.0635 52 0.1570 22
0.0670 51 0.1590 21
0.0700 50 0.1610 20
0.0730 49
0.1660 19
0.0760 48
0.1695 18
0.0785 47 0.1730 17
0.0810 46 0.1770 16
0.0820 45 0.1800 15
0.0860 44 0.1820 14
0.0890 43 0.1850 13
0.0935 42 0.1890 12
0.0960 41 0.1910 11
0.0980 40 0.1935 10
0.0995 39 0.1960 9
0.1015 38 0.1990 8
0.1040 37 0.2010 7
0.1065 36 0.2040 6
0.1100 35 0.2055 5
0.1110 34 0.2090 4
0.1130 33 0.2130 3
0.1160 32 0.2210 2
0.1200 31 0.2280 1
Use this chart to select the correct number drill for the tap you are using
Number 3 Drill 1/4-28 Tap
Number 4 Drill 1/4-24 Tap
Number 7 Drill 1/4-20 Tap
Number 14 Drill #12-28 Tap
Number 16 Drill #12-24 Tap
Number 21 Drill #10-32 Tap
Number 22 Drill 3/16-32 Tap
Number 25 Drill 10-24 Tap
Number 26 Drill 3/16-24 Tap
Number 29 Drill 8-32 & 8-36 Tap
Number 30 Drill 5/32-36 Tap
Number 33 Drill #6-40 Tap
Number 36 Drill #6-30 Tap
Number 37 Drill #5-44 Tap
Number 38 Drill #5-40 Tap
Number 43 Drill #4-48 Tap
Number 44 Drill #4-40 Tap
Number 45 Drill #10-32 Tap
Number 50 Drill #2-64 Tap
Number 51 Drill #2-56 Tap
Number 53 Drill #1-64 Tap