1
2
3 |
length
of
drive
part
|
kellya
Standardb LD
Selectedb LD |
3
37
- |
31/2
37
- |
41/4
37
51 |
51/4
37
51 |
6
37
51 |
4
5
6
7 |
full
length |
Standardc L
Selectedc L
Width-to-edged DFL
diagonal widtheEC |
40
-
3
33/8 |
40
-
31/2
331/32 |
40
54
41/4
413/16 |
40
54
51/4
531/32 |
40
54
6
631/32 |
8
9
10
11 |
drive
part |
diagonal widthf DCC
radiusg RC
radiusl RCC
min thicknesst |
3.375
41/4
413/16
4.475 |
3.937
1/4
131/32
0.525 |
4.781
5/16
225/64
0.625 |
5.900
3/8
261/64
0.625 |
6.812
3/8
313/32
0.625 |
12
13
14
15
16
17
18 |
top
with
thread
connection
|
Left
Spiral |
Standard
Selected
Standardh DU
Selectedh DU
lengthi LU
Standardj DF
Selectedj DF |
65/8REG
41/2REG
73/4
53/4
16
721/64
519/64 |
65/8REG
41/2REG
73/4
53/4
16
721/64
519/64 |
65/8REG
41/2REG
73/4
53/4
16
721/64
519/64 |
65/8REG
-
73/4
-
16
721/64
- |
65/8REG
_
73/4
-
16
721/64
- |
|
OD |
Chamfer
diameter |
19
20
21
22
23 |
bottom
of
thread
connection |
Specifications & type
ODh DLR
lengthi LL
Chamfer diameteriDF
diameteri d |
NC26
33/8
20
317/64
11/4 |
NC31
4 1/8
20
316/64
13/4 |
NC38
4 3/4
20
4 37/64
2 1/4 |
NC46KNC50K
6 1/4 6 3/8
20 20
5 23/32 6 1/16
3 K 31/4 K |
51/2FHK NC56K
7 7
20 20
6 23/32 6 47/64
3 1/2 3 1/2 |
