1
Length of drive parts ft
Model a
2 1/2
3
3 1/2
4 1/4
5 1/4
2
Standard b LD
37
Choose b LD
-
51
4
Total length ft
Standard c L
40
5
Choose c L
54
6
Square size d DFL
7
Corner size e EC
39/32
315/16
417/32
59/16
229/32
8
Drive parts
Corner size f DCC
3.25
3.875
4.437
5.5
6.75
9
Radius size
g RC
5/16
3/8
1/2
5/8
10
l RCC
18/15
115/16
27/32
2 3/4
3 3/8
11
Min thickness of slant hole
t
0.45
0.457
0.625
12
Top female thread
Connection
Left-hand size
Standard
65/8REG
13
choose
41/2REG
_
14
h DU
7 3/4
15
Choose
5 3/4
16
Length
i LU
17
O.D
j DF
721/64
18
Diameter of beveling angle
519/64
19
Down Female thread
Model
NC26
NC31
NC38
NC46mNC50m
51/2FHm NSC56m
20
h D LR
4 3/4
6 1/4 6 3/8
7 7
21
Length I LL
20 20
22
Diameters of beveling angle
DF
317/64
316/64
337/64
5 23/32 6 1/16
6 23/32 6 47/64
23
I.D
k d
1 1/4
1 3/4
2 1/4
2 13/64 2 13/16
3 1/4 3 1/4
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