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124 PIECE AUTO MASTER
TAP AND DIE SET
124MATDS
DRILL GUIDE
Below you will find the included tap and extractor sizes as well as the drill bits that pair with them. Select the thread
pitch you intend to tap, then match it with the drill bit size listed below. In rare cases if your material is exceptionally
thin or thick, you may need to step up (thick) or down (thin) in drill size within the pouch provided, however the
below drill bit pairings work with the majority of applications. The chart below also includes part numbers for each
piece found in this kit.
Thread Size
Extractor
Size
Tap Part #
Die Part #
Drill Bit Size
Drill Bit Part #
Drill Bit Size
Drill Bit Part #
4-40 NC
6-32 NC
8-32 NC
10-24 NC
10-32 NC
12-24 NC
1/4"-20 NC
1/4"-28 NF
5/16"-18 NC
5/16"-24 NF
3/8"-16 NC
3/8"-24 NF
7/16"-14 NC
7/16"-20 NF
1/2"-13 NC
1/2"-20 NF
M3x0.6
M3x0.5
M4x0.75
M4x0.7
M5x0.9
M5x0.8
M6x1.0
M7x1.0
M8x1.25
M8x1.0
M9x1.25
M9x1.0
M10x1.5
M10x1.25
M10x1.0
M11x1.5
M12x1.75
M12x1.5
M12x1.25
1/8"-27 NPT
1/8"-28 BSP
MT440T
MT632T
MT832T
MT1024T
MT1032T
MT1224T
MT1420T
MT1428T
MT51618T
MT51624T
MT3816T
MT3824T
MT71614T
MT71620T
MT1213T
MT1220T
MT306T
MT305T
MT4075T
MT407T
MT509T
MT508T
MT610T
MT710T
MT8125T
MT810T
MT9125T
MT910T
MT1015T
MT10125T
MT1010T
MT1115T
MT12175T
MT1215T
MT12125T
MT1827T
MT1828T
MT440D
MT632D
MT832D
MT1024D
MT1032D
MT1224D
MT1420D
MT1428D
MT51618D
MT51624D
MT3816D
MT3824D
MT71614D
MT71620D
MT1213D
MT1220D
MT306D
MT305D
MT4075D
MT407D
MT509D
MT508D
MT610D
MT710D
MT8125D
MT810D
MT9125D
MT910D
MT1015D
MT10125D
MT1010D
MT1115D
MT12175D
MT1215D
MT12125D
MT1827D
MTBSP28
No. 43
No. 36
No.29
No. 25
No. 21
No. 16
No. 7
No. 3
Letter F
Letter I
5/16"
Letter Q
Letter U
25/64"
27/64"
29/64"
No. 39
No. 39
No. 30
No. 30
No. 20
No. 19
No. 9
Letter B
Letter J
Letter H
5/16"
Letter O
Letter R
Letter S
Letter T
3/8"
13/32"
Letter Z
7/16"
*
Letter Q
21/64"
43A
36A
29A
25A
21A
16A
7A
3A
HDF
HDI
HD20A
HDQ
HDU
HD2538A
HD2738A
HD2938A
39A
39A
30A
30A
20A
19A
9A
HDB
HDJ
HDH
HD20A
HDO
HDR
HDSA
HDT
HD24A
HD2638A
HDZRS
HD2838A
HDQ
HD21A
Metric
*
F/ material < 1/2" use 27/64"
Pipe
Extractor
Extractor part #
EO1A
EO2A
EO3A
EO4A
EO5A
5/64"
7/64"
5/32"
1/4"
19/64"
HD510A
HD710A
HD1010A
HD1610A
HD19A
Machine Screw
Fractional
Extractor #1
Extractor #2
Extractor #3
Extractor #4
Extractor #5