How to choose the right taps collet size for your taps

electric tapping machine

How to choose the right taps collet size for your taps ?

Tap Shank and Drive Square dimensions size shown in below chart

Tap Shank Dimensions Tap thread size for various Industry Standards
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
2.24 0.088 1.8 0.071 M3
#5
2.5 0.098 2 0.079 M1 M3.5
Thru #6
M2
2.5 0.098 2.1 0.083 M1 M1
Thru Thru
M1.8 M1.8
2.8 0.11 2.1 0.083 M2 M2
Thru Thru
M2.6 M2.6
2.8 0.11 2.24 0.088 M2.2
M2.5
3 0.118 2.5 0.098 M1
Thru
M2.6
3.15 0.124 2.5 0.098 M3 M4
#4 #8
#5 5/32"
1/8"
3.5 0.138 2.7 0.106 M3 M3
3.55 0.14 2.8 0.11 M3.5 M4.5 3/16"
#6 #10
3/16"
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
0.141 0.11 #0 M1.6 #1
Thru Thru Thru
#6 M3.5 #4
1/16" M2.2
Thru Thru
1/8" M3
4 0.157 3 0.118 M3.5 M3.5
4 0.157 3.15 0.124 M4 M5
5/32" M5.5
#12
4 0.157 3.2 0.126 M3
M3.5
0.168 0.131 #8 M4 #5
5/32" M3.5
4.5 0.177 3.4 0.134 M4 M4
4.5 0.177 3.55 0.14 M4.5 M6 1/4"
#8 1/4"
0.194 0.152 #10 M4.5 #6
3/16" M5 M4
5 0.197 4 0.157 M5 3/16" M4
#10 M4.5
5/32"
3/16"
5.5 0.217 4.3 0.169
5.5 0.217 4.5 0.177 M5
M5.5
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
0.22 0.165 #12 #8
7/32"
5.6 0.22 4.5 0.177 M5.5 M7
#12
6 0.236 4.5 0.177 M6
1/4"
6 0.236 4.9 0.193 M4.5 M4.5
Thru M5
M8 M6
3/16"
Thru
5/16"
Note 10
6.2 0.244 5 0.197 M7
M8
6.3 0.248 5 0.197 M6 M8 1/4" 5/16"
1/4"
0.255 0.191 #14 M6 #10
1/4" M6.3 M5
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
7 0.276 5.5 0.217 M9 M7 1/8" M7
M10 M9
3/8" M10
3/8"
Note 10
7.1 0.28 5.6 0.22 M7 M9 3/8"
3/8"
0.313 0.234 1/8"ssP
1/16"P
8 0.315 6 0.236 M11, 7/16"
1/8"P
8 0.315 6.2 0.244 M11 M8
8 0.315 6.3 0.248 M8 M10 5/16" 7/16"
M11 M11
7/16"
0.318 0.238 5/16" M7 #12
M8 1/4"
M6
0.323 0.242 7/16"
8.5 0.335 6.5 0.256 M12
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
9 0.354 7 0.276 M12 M9
1/2"
9 0.354 7.1 0.28 M9 M12 1/2"
M12 1/2"
0.367 0.275 1/2" M12 3/8"
M12.5 M10
9.5 0.374 7 0.276 M13
0.381 0.286 3/8" M10 5/16
M7
M8
10 0.394 8 0.315 M10 3/8" M10
3/8"
10.5 0.413 8 0.315 M14
M15
9/16"
0.429 0.322 9/16" M14 7/16"
M12
11 0.433 9 0.354 1/4"P M14 1/4"
9/16"
0.438 0.328 1/8"Pls
11.2 0.441 9 0.354 M14 M14 9/16"
M15 9/16"
9/16"
0.444 0.333 7/16"
Pulley
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
12 0.472 9 0.354 M16 3/8"
5/8"
0.48 0.36 5/8" M16 1/2"
12.5 0.492 10 0.394 M16 M16 5/8" M16
M17 5/8"
5/8"
0.507 0.38 1/2"
Pulley
13 0.512 10 0.394 M17
0.542 0.406 11/16" M18 9/16"
M14
14 0.551 11 0.433 M18 M18
3/8"P 11/16"
11/16"
3/4"
Note 4
14 0.551 11.2 0.441 M18 M18 11/16"
M20 M20 3/4"
11/16" 11/16"
3/4" 13/16"
13/16"
Note 6
0.563 0.421 1/4"P
0.59 0.442 3/4" 5/8"
M16
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
15 0.591 12 0.472 M20
13/16"
16 0.63 12 0.472 M20 1/2"
13/16"
16 0.63 12.5 0.492 M22 M22 7/8"
7/8" 7/8"
0.633 0.475 5/8"
Pulley
0.652 0.489 13/16" M20
17 0.669 13 0.512 M22
7/8"
0.688 0.515 1/2"P
0.697 0.523 7/8" M22 3/4"
M18
0.7 0.531 3/8"P
18 0.709 14 0.551 M24 M24 1" 1/2"P
M25 15/16"
15/16"
1"
Note 7
18 0.709 14.5 0.571 M22 5/8"
M24
7/8"
15/16"
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
19 0.748 15 0.591 M24
M25
15/16"
5/8"P
0.759 0.569 3/4"
Pulley
0.76 0.57 15/16" M24 M20
20 0.787 15 0.591 M26
M27
1"
20 0.787 16 0.63 M27 M30 1-1/8" M27 3/4"
M28
M30
1-1/8"
0.8 0.6 1" M25 7/8"
M22
21 0.827 17 0.669 M28
22 0.866 17 0.669 1-1/8"
22 0.866 18 0.709 M30 7/8"
22.4 0.882 18 0.709 M32 M33 1-1/4"
M33
1-1/4"
0.896 0.672 1-1/16" M27 M24
1-1/8"
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
23 0.906 17 0.669 M30
0.906 0.679 3/4"P
24 0.945 19 0.748 M32
25 0.984 19 0.748 M33
25 0.984 20 0.787 M35 M33
M36
1-3/8"
1.021 0.766 1-3/16" M30 1"
1-1/4" M27
26 1.024 21 0.827 M34
M35
28 1.102 21 0.827 M36
M38
28 1.102 22 0.866 M36
28 1.102 22.4 0.882 M39
M40
M42
1-1/2"
1-5/8"
1.108 0.831 1-5/16" M33 1-1/8"
1-3/8" M30
1.125 0.843 1"P
30 1.181 23 0.906 M39
M40
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
1.233 0.925 1-7/16" M36 1-1/4"
1-1/2" M33
31.5 1.24 25 0.984 M45
M48
32 1.26 24 0.945
32 1.26 26 1.024 M42
1.305 0.979 1-5/8" M39 1-3/8"
M36
1.313 0.984 1-1/4"P
35.5 1.398 28 1.102 M52
M56
36 1.417 29 1.142
1.43 1.072 1-3/4" M42 1-1/2"
M39
1.5 1.125 1-1/2"P
1.519 1.139 1-7/8"
40 1.575 32 1.26
1.644 1.233 2" M48
1.769 1.327 2-1/8"
1.875 1.406 2"P
1.894 1.42 2-1/4" M56
2.019 1.514 2-3/8"
2.1 1.575 2-1/2"
2.225 1.669 2-5/8" M64
Note 11
2.25 1.687 2-1/2"P
Shank Shank Square Square ANSI ANSI ANSI ISO ISO ISO ISO JIS DIN DIN DIN
MM Inch MM Inch Inch Metric STI 529 2283 529 2283 352 353 371
BSW BSW
2.35 1.762 2-3/4"
Note 11
2.475 1.856 2-7/8" M72
Note 11
2.543 1.907 3"
Note 11
2.625 1.968 3"P
2.668 2.001 3-1/8"
Note 11
2.793 2.095 3-1/4" M80
Note 11
2.813 2.108 3-1/2"P
2.883 2.162 3-3/8"
Note 11
3 2.25 4"P
3.008 2.256 3-1/2"
Note 11
3.133 2.35 3-5/8" M90
Note 11
3.217 2.413 3-3/4"
Note 11
3.342 2.506 3-7/8"
Note 11
3.467 2.6 4" M100
Note 11
ANSI ---- ASME B94.9-1999
STI ---- Screw Thread Insert
ISO 529 ---- ISO FULL UNC/UNF
ISO 2283 ---- ISO REL UNC/UNF
electric tapping machine

CONTACT US

Tell us your raw material and project budget to get quotations within 24 hours.

WhatsApp Us: +86 159 27 555 863

Invalid Email
Invalid Number

banner-14

Want the best price & newest metalworking machinery buying guide,tips and trends sent straightly to your box?Sign up for Armpro’s monthly newsletter,we’re free for your consultation and Offer you the most suitable solutions!

!
!
SUBSCRIBE
Something went wrong. Please check your entries and try again.

The Buyer's Guide

Want to get Best Price Metalworking Machines ?

Tell us your material or budget,we'll reply you ASAP within 24 hours.

banner-15

Invalid Email
Scroll to Top