Charts

Your Source for Automatic Drills, Multiple Spindle Heads, and more

Collet Nut Torque Chart

ColletNutTorque#sChart.pdf

Collet Nuts Wrench Type Torque
ER 16 Slotted 45 ft/lbs
ER 16 Hex 45 ft/lbs
ER 20 Slotted 67 ft/lbs
ER 20 Hex 67 ft/lbs
ER 25 Slotted 85 ft/lbs
ER 25 Mini Nut Castle 25 ft/lbs
ER 32 Slotted 112 ft/lbs
ER 40 Slotted 126 ft/lbs
SYOZ 25/TG 100 Hook 90 ft/lbs
TG 75 Hex 90 ft/lbs
TG 100 Hex 90 ft/lbs

Tap & Drill Chart

TapandDrillChart.pdf

Tap and Drill Chart
(Recommended tap drill to use for 75% depth of thread)

To Tap this Size Screw   Or Bolt: Use This Drill Bit: (Closest Fractional:) Decimal Inches
0-80 NF 3/64″ 3/64″ .0469
0-80 NF 3/64″ 3/64″ .0469
1-64 NC #53 .0595
1-72 NF #53 1/16″ .0595
2-56 NC #50 .0700
2-64 NF #50 .0700
3-48 NC #47 5/64″ .0785
3-56 NF #45 .0820
4-36 NS #44 .0860
4-40 NC #43 3/32″ .0890
4-48 NF #42 3/32″ .0935
3mm- .060mm 2.5mm .0984
1/8-40 NS #38 .1015
5-40 NC #38 .1015
5-44 NF #37 .1040
6-32 NC #35 7/64″ .1100
6-36 NS #34 .1110
6-40 NF #33 .1130
6-48 NS #31 .1200
4mm-0.70mm 3.4mm .1338
4mm-.075mm 3.4mm .1338
8-32 NC #29 .1360
8-36 NF #29 9/64″ .1360
8-40 NS #28 .1405
3/16-24 NS #26 .1470
10-24 NC #25 5/32″ .1495
3/16-32 NS #22 .1570
10-32 NF #21 5/32″ .1590
5mm-.090mm 4.2mm .1653
5mm-.080mm 4.3mm .1693
12-24 NC #16 11/64″ .1770
12-28 NF #14 3/16″ .1820
12-32 NEF #13 .1850
14-20 NS #10 .1935
1//4-20 NC #7 13/64″ .2010
14-24 NS #7 .2010
6mm-1.00mm 5.2mm .2047
1/4-24 NS #4 .2090
1/4-28 NF #3 7/32″ .2130
1/4-32 NEF 7/32″ 7/32″ .2188
1/4-40 NS #1 .2280
7mm-1.00mm 6.1mm 15/64″ .2401
5/16-18 NC Ltr.F 17/64″ .2570
8mm-1.25mm 6.9mm 17/64″ .2716
5/16-24 NF Ltr.I .2720
8mm-1.00mm 7.1mm .2795
5/16-32 NEF 9/32″ 9/32″ .2812
9mm-1.25mm 7.9mm .3110
3/8-16 NC 5/16″ 5/16″ .3125
9mm-1.00mm 8.1mm .3189
9mm-0.75mm 8.3mm .3268
3/8-24 NF Ltr.Q 21/64″ .3320
10mm- 1.50mm 8.7mm .3425
10mm- 1.25mm 8.9mm 11/32″ .3503
10mm- 1.00mm* 9.1mm .3583
7/16- 14 NC Ltr.U 23/64″ .3680
11mm 1.50mm 9.7mm .3818
7/16-20 NF 25/64″ 25/64″ .3906
12mm- 1.75mm 10.5mm .4133
12mm- 1.50mm 10.7mm 27/64″ .4212
1/2-13 NC 27/64″ 27/64″ .4219
12mm- 1.25mm* 10.9mm 27/64″ .4291
1/2-20 NF 29/64″ 29/64″ .4531
1/2-24 NS 29/64″ 29/64″ .4531
14mm-2.00mm 12.2mm .4803
9/16-12 NC 31/64″ 31/64″ .4844
14mm- 1.50mm 12.7mm .4999
14mm-1.25mm* 12.8mm .5039
9/16-18 NF 33/64″ 33/64″ .5156
5/8-11 NC 17/32″ 17/32″ .5312
16mm-2.00mm 14.2mm 35/64″ .5590
5/8-18 NF 37/64″ 37/64″ .5781
16mm- 1.50mm 14.7mm .5787
11/16-11 NS 19/32″ 19/32″ .5938
18mm-2.50mm 15.8mm 39/64″ .5220
11/16-16 NS 5/8″ 5/8″ .6250
3/4-10 NC 21/32″ 21/32″ .6562
18mm-1.50mm* 16.8mm .6614
3/4-16 NF 11/16″ 11/16″ .6875
20mm-2.50mm 17.8mm 11/16″ .7008
7/8-9 NC 49/64″ 49/64″ .7656
7/8-14 NF 13/16″ 13/16″ .8125
22mm-1.50mm 20.9mm .8228
7/8-18 NS* 53/64″ 53/64″ .8281
24mm-3.00mm 21.4mm 53/64″ .8425
1.8 NC 7/8″ 7/8″ .8750
24mm-2.00mm 22.3mm .8779
1.12 NF 59/64″ 59/64″ .9219
1-14 NS 15/16″ 15/16″ .9375
1  1/8-7 NC 63/64″ 63/64″ .9844
1 1/8-12 NF 1 3/64″ 1 3/64″ 1.0469
1 1/4-7 NC 1 7/64″ 1 7/64″ 1.1094
1 1/4-12 NF 1 11/64″ 1 11/64″ 1.1719
1 3/8-6 NC 1 7/32″ 1 7/32″ 1.2188
1 3/8-12 NF 1 19/64″ 1 19/64″ 1.2969
1 1/2-6 NC 1 11/32″ 1 11/32″ 1.3438
1 1/2″-12 NF 1 27/64″ 1 27/64″ 1.4219
*These Sizes Are Spark Plug Taps

Taps Standards ISO Metric Series Chart

TapsStandardsISOMetricSeriesChart.pdf

Taps Standards and Dimensions
A metric tap with an ANSI shank uses the same tap collet as an inch tap with the same shank diameter. There are some less common all-metric taps, but you often don’t find these anywhere inside the USA, Canada or Mexico.

ISO Metric Series

Tap Size Shank Dia.               A      Shank Length B              Size of     Square C    Overall Length     D
M09 2.5 (.098″) 17 2.1 x 5 25
M1 2.5 (.098″) 18 2.1 x 5 25
M1.1 2.5 (.098″) 18 2.1 x 5 25
M1.2 2.5 (.098″) 18 2.1 x 5 25
M1.4 2.5 (.098″) 21 2.1 x 5 28
M1.6 2.5 (.098″) 24 2.1 x 5 32
M1.7 2.5 (.098″) 24 2.1 x 5 32
M1.8 2.5 (.098″) 24 2.1 x 5 32
M2 2.8(.110″) 23 2.1 x 5 32
M2.2 2.8(.110″) 23 2.1 x 5 32
M2.3 2.8(.110″) 23 2.1 x 5 32
M2.5 2.8(.110″) 26 2.1 x 5 36
M2.6 2.8 (.110″) 26 2.1 x 5 36
M3 3.5 (.138″) 26 2.7 x 6 36
M3.5 4.0 (.157″) 29 3.0 x 6 40
M4 4.5 (.177″) 28 3.4 x 6 40
M4.5 6.0 (.236″) 33 4.9 x 8 45
M5 6.0 (.236″) 31 4.9 x 8 45
M6 6.0 (.236″) 34 4.9 x 8 50
M7 6.0 (.236″) 34 4.9 x 8 50
M8 6.0 (.236″) 38 4.9 x 8 56
M9 7.0 (.275″) 38 5.5 x 8 56
M10 7.0 (.275″) 43 5.5 x 8 63
M11 8.0 (.314″) 41 6.2 x 9 63
M12 9.0 (.354″) 48 7.0 x 10 70
M14 11.0 (.433″) 45 9.0 x 12 70
M16 12.0 (.472″) 42 9.0 x 12 70
M18 14.0 (.552″) 48 11.0 x 14 80
M20 16.0 (.629″) 48 12.0 x 15 80
M22 18.0 (.708″) 58 14.5 x 17 90
M24 18.0 (.708″) 68 14.5 x 17 100
M27 20.0 (.787″) 64 16.0 x 19 100
M30 22.0 (.866″) 70 18.0 x 21 110

AutoDrill generally offers tapping devices for single spindle operations as well as multiple spindle operations with ER11, ER16, ER20, ER25, ER32 and ER40 spindle types. We also offer TRxx and ASA style spindles as well as custom spindles if needed.