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Auxiliary Systems Inc

Wednesday, August 23, 2017

Auxiliary Systems Logo

Auxiliary Systems Is An Authorized Original Equipment Manufacturer (OEM) For:


International Association of Drilling Contractors
IADC Member

Underwriters Laboratories Member
UL Member

VOW Coalition Member
Virginia Offshore Wind Coalition Member


And An Authorized Sales Representative For:
URC

AC Pro Whipp & Bourne Solid State Trip Units
Sales & Installation

ACB-1600 HR 3P, 500 VAC, 60 HZ, Circuit Breaker Solid State Trip Unit
ACB-2000 HR 3P, 500 VAC, 60 HZ, Circuit Breaker Solid State Trip Unit
ACB-3200 HR 3P, 500 VAC, 60 HZ, Circuit Breaker Solid State Trip Unit
ACB-4000 HR 3P, 500 VAC, 60 HZ, Circuit Breaker Solid State Trip Unit



TC Wilson Logo

Tube Equipment & Tools for: Beading, Belling, Expanders, Extractors, Flaring, Inserts, Knock Out, Packing, Packing Removal, Plugs, Pullers, & Rolling Motors

Machinist Tap / Drill Chart

For Printable Machinist Tap Drill Chart PDF File Click Here!

 
ANSI Standard Machinist American Screw Thread Tap / Drill Size Chart
Screw Size NC
Screw Size Fine
TAP SIZE
DRILL SIZE
TAP SIZE
DRILL SIZE
#0-80 3/64" #1-72 #53
#1-64 #53 #2-64 #50
#2-56 #51 #3-56 #46
#3-48 5/64" #4-48 #42
#4-40 #43 #5-44 #37
#5-40 #39 #6-40 #33
#6-32 #36 #8-36 #29
#8-32 #29 #10-32 #21
#10-24 #25 #12-28 #15
#12-24 #17 1/4-28 #3
1/4-20 #7 5/16-24 I
5/16-18 F 3/8-24 Q
3/8-16 5/16 7/16-20 W
7/16-14 U 1/2-20 29/64
1/2-13 27/64 9/16-18 33/64
9/16-12 31/64 5/8-18 37/64
5/8-11 17/32 3/4-16 11/16
3/4-10 21/32 7/8-14 13/16
7/8-9 49/64 1"-12 15/16
1"-8 7/8 1-1/8-12 1-3/64
1-1/8-7 63/64 1-1/4-12 1-11/64
1-1/4-7 1-7/64 1-1/2-12 1-27/64
1-1/2-6 1-11/32 1-3/4-12 1-43/64
1-3/4-5 1-35/64 2"-12 1-59/64
2"-4-1/2 1-25/32
 
Machinist Metric Screw Thread Tap / Drill Size Chart
METRIC SCREW COARSE SIZES
METRIC SCREW FINE SIZES
TAP SIZE
DRILL SIZE
TAP SIZE
DRILL SIZE
1mm x .25 75mm 4 mm x .35 3.6mm
1.1 x .25 0.85 4 x .5 3.5
1.2 x .25 0.95 5 x .5 4.5
1.4 x .3 1.1 6 x .5 5.5
1.6 x .35 1.25 6 x .75 5.25
1.7 x .35 1.3 7 x .75 6.25
1.8 x .35 1.45 8 x .5 7.5
2 x .4 1.6 8 x .75 7.25
2.2 x .45 1.75 8 x 1 7
2.5 x .45 2.05 9 x 1 8
3 x .5 2.5 10 x .75 9.25
3.5 x .6 2.9 10 x 1 9
4 x .7 3.3 10 x 1.25 8.8
4.5 x .75 3.7 11 x 1 10
5 x .8 4.2 12 x .75 11.25
6 x 1 5 12 x 1 11
7 x 1 6 12 x 1.5 10.5
8 x 1.25 6.8 14 x 1 13
9 x 1.25 7.8 14 x 1.25 12.8
10 x 1.5 8.5 14 x 1.5 12.5
11 x 1.5 9.5 16 x 1 15
12 x 1.75 10.2 16 x 1.5 14.5
14 x 2 12 18 x 1 17
16 x 2 14 18 x 2 16
18 x 2.5 15.5 20 x 1 19
20 x 2.5 17.5 20 x 1.5 18.5
22 x 2.5 19.5 20 x 2 18
24 x 3 21 22 x 1 21
27 x 3 24 22 x 1.5 20.5
30 x 3.5 26.5 22 x 2 20
33 x 3.5 29.5 24 x 1.5 22.5
36 x 4 32 24 x 2 22
39 x 4 35 26 x 1.5 24.5
27 x 1.5 25.5
27 x 2 25
28 x 1.5 26.5
30 x 1.5 28.5
30 x 2 28
33 x 2 31
36 x 3 33
39 x 3 36
 
Machinist Pipe Thread Tap / Drill Size Chart
TAPER PIPE SIZES - NPT
STRAIGHT PIPE SIZES - NPS
TAP SIZE
DRILL SIZE
TAP SIZE
DRILL SIZE
1/8-27 R 1/8-27 S
1/4-18 7/16 1/4-18 29/64
3/8-18 37/64 3/8-18 19/32
1/2-14 23/32 1/2-14 47/64
3/4-14 59/64 3/4-14 15/16
1"-11-1/2 1-5/32 1"-11-1/2 1-3/16
1-1/4-11-1/2 1-1/2 1-1/4-11-1/2 1-33/64
1-1/2-11-1/2 1-47/64 1-1/2-11-1/2 1-3/4
2"-11-1/2 2-7/32 2"-11-1/2 2-7/32
2-1/2-8 2-5/8 2-1/2-8 2-21/32
3"-8 3-1/4 3"-8 3-9/32
3-1/2-8 3-3/4 3-1/2-8 3-25/32
4"-8 4-1/4 4"-8 4-9/32
 
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