WIDIA - Полный каталог инструмента - 2017
для размещения заказа - zakaz@widiahanita.ru
Technical Information
Standard Pipe Tap Dimensions • Straight and Taper • Ground Thread • Reference USCTI Table 311
General Dimensions
dimensions (in)
nominal
size
(in)
1/16
1/8
1/8
1/4
3/8
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
overall
length
L
2.13
2.13
2.13
2.44
2.56
3.13
3.25
3.75
4.00
4.25
4.25
5.50
6.00
6.50
6.75
thread
length
l
.69
.75
.75
1.06
1.06
1.38
1.38
1.75
1.75
1.75
1.75
2.56
2.63
2.69
2.75
square
length
l2
.38
.38
.38
.44
.50
.63
.69
.81
.94
1.00
1.13
1.25
1.38
1.50
1.56
shank
diameter
D1
.3125
.3125
.4375
.5625
.7000
.6875
.9063
1.1250
1.3125
1.5000
1.8750
2.2500
2.6250
2.8125
3.0000
square
size
A
.234
.234
.328
.421
.531
.515
.679
.843
.984
1.125
1.406
1.687
1.968
2.108
2.250
optional
neck
length
l1
.375
–
.375
.375
.375
–
–
–
–
–
–
–
–
–
–
Reprinted with permission from United States Cutting Tool Institute (USCTI).
Published by Kennametal Inc. © 2014. All rights reserved.
Tolerances
element
length overall — L
length of thread — l
length of square — l2
diameter of shank — d1
size of square — a
range
1/16–3/4 inc.
1–4 inc.
1/16–3/4 inc.
1–1-1/4 inc.
1-1/2–4
1/16–3/4 inc.
1–4 inc.
1/16–1/8
1/4–1 inc.
1-1/4–4 inc.
1/16–1/8
1/4–3/4 inc.
1–4 inc.
direction
plus/minus
plus/minus
plus/minus
plus/minus
plus/minus
plus/minus
plus/minus
minus
minus
minus
minus
minus
minus
tolerance
.031
.063
.063
.094
.125
.031
.063
.0015
.0020
.0030
.004
.006
.008
Y92
zakaz@widiahanita.ru
www.widiahanita.ru