HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 689)

HEIDENHAIN CNC PILOT 4290 689
1
1
.1 Under
c
ut and Thr
ead P
a
ra
met
e
rs
Q = 8 Cylindrical round thread
Q = 9 Cylindrical Whitworth thread
Q = 10 Tapered Whitworth thread
Diameter Thread pitch
12 2.54
14 3.175
40 4.233
105 6.35
200 6.35
Thread
designation Diameter
(in mm)
Thread pitch
Thread
designation Diameter
(in mm)
Thread pitch
1/4“ 6.35 1.27 1 1/4“ 31.751 3.629
5/16“ 7.938 1.411 1 3/8“ 34.926 4.233
3/8“ 9.525 1.588 1 1/2“ 38.101 4.233
7/16“ 11.113 1.814 1 5/8“ 41.277 5.08
1/2“ 12.7 2.117 1 3/4“ 44.452 5.08
5/8“ 15.876 2.309 1 7/8“ 47.627 5.645
3/4“ 19.051 2.54 2“ 50.802 5.645
7/8“ 22.226 2.822 2 1/4“ 57.152 6.35
1“ 25.401 3.175 2 1/2“ 63.502 6.35
1 1/8“ 28.576 3.629 2 3/4“ 69.853 7.257
Thread
designation Diameter
(in mm)
Thread pitch
Thread
designation Diameter
(in mm)
Thread pitch
1/16“ 7.723 0.907 1 1/2“ 47.803 2.309
1/8“ 9.728 0.907 2“ 59.614 2.309
1/4“ 13.157 1.337 2 1/2“ 75.184 2.309
3/8“ 16.662 1.337 3“ 87.884 2.309
1/2“ 20.995 1.814 4“ 113.03 2.309
3/4“ 26.441 1.814 5“ 138.43 2.309
1“ 33.249 2.309 6“ 163.83 2.309
1 1/4“ 41.91 2.309