Key Inserts Inch Series
| INTERNAL THREAD SIZE |
EXTERNAL THREAD, MODIFIED MINOR DIAMETER |
INSERT PART NO. |
LENGHT |
INSTALLATION DATA |
REMOVAL DATA |
| TAP DRILL DIA. |
C'SINK DIA. |
TAP SIZE |
INSERT TOOL PART NO. |
DRILL |
| SIZE |
DEPTH |
| 10-24 |
5/16-18 |
PRKKA 10-24 |
.31 |
"I" |
.32 |
5/16-18 |
PTRKA 10 |
7/32 |
5/32 |
| 10-32 |
PRKKA 10-32 |
| 1/4-20 |
3/8-16 |
PRKKA 1/4-20 |
.37 |
"Q" |
.38 |
3/8-16 |
PTRKA 1/4 |
9/32 |
3/16 |
| 1/4-28 |
PRKKA 1/4-28 |
| 5/16-18 |
7/16-14 |
PRKKA 5/16-18 |
.43 |
"X" |
.44 |
7/16-14 |
PTRKA 5/16 |
11/32 |
3/16 |
| 5/16-24 |
PRKKA 5/16-24 |
| 3/8-16 |
1/2-13 |
PRKKA 3/8-16 |
.50 |
29/64 |
.51 |
1/2-13 |
PTRKA 3/8 |
13/32 |
3/16 |
| 3/8-24 |
PRKKA 3/8-24 |
| 7/16-14 |
9/16-12 |
PRKKA 7/16-14 |
.56 |
33/64 |
.57 |
9/16-12 |
PTRKA 7/16 |
15/32 |
3/16 |
| 7/16-20 |
PRKKA 7/16-20 |
| 1/2-13 |
5/8-11 |
PRKKA 1/2-13 |
.62 |
37/64 |
.63 |
5/8-11 |
PTRKA 1/2 |
17/32 |
3/16 |
| 1/2-20 |
PRKKA 1/2-20 |
| INTERNAL THREAD SIZE |
EXTERNAL THREAD, MODIFIED MINOR DIAMETER |
INSERT PART NO. |
LENGHT |
INSTALLATION DATA |
REMOVAL DATA |
| TAP DRILL DIA. |
C'SINK DIA. |
TAP SIZE |
INSERT TOOL PART NO. |
DRILL |
| SIZE |
DEPTH |
| 8-32 |
5/16-18 |
PRKK 8-32 |
.31 |
"I' |
.32 |
5/16-8 |
PTRK 08 |
7/32 |
1/8 |
| 10-24 |
3/8-16 |
PRKK 10-24 |
.31 |
"Q" |
.38 |
3/8-16 |
PTRK 10 |
9/32 |
1/8 |
| 10-32 |
PRKK 10-32 |
| 1/4-20 |
7/16-14 |
PRKK 1/4-20 |
.37 |
"X" |
.44 |
7/16-14 |
PTRK 1/4 |
11/32 |
3/16 |
| 1/4-28 |
PRKK 1/4-28 |
| 5/16-18 |
1/2-13 |
PRKK 5/16-18 |
.43 |
29/64 |
.51 |
1/2-13 |
PTRK 5/16 |
13/32 |
3/16 |
| 5/16-24 |
PRKK 5/16-24 |
| 3/8-16 |
9/16-12 |
PRKK 3/8-16 |
.50 |
33/64 |
.57 |
9/16-12 |
PTRK 3/8 |
15/32 |
3/16 |
| 3/8-24 |
PRKK 3/8-24 |
| 7/16-14 |
5/8-11 |
PRKK 7/16-14 |
.62 |
37/64 |
.63 |
5/8-11 |
PTRK 7/16 |
17/32 |
3/16 |
| 7/16-20 |
PRKK 7/16-20 |
| 1/2-13 |
3/4-16 |
PRKK 1/2-13 |
45/64 |
.76 |
3/4-16 |
PTRK 1/2 |
21/32 |
3/16 |
| 1/2-20 |
PRKK 1/2-20 |
| 9/16-12 |
3/4-16 |
PRKK 9/16-12 |
.81 |
PTRK 9/16 |
| 9/16-18 |
PRKK 9/16-18 |
| 5/8-11 |
7/8-14 |
PRKK 5/8-11 |
.87 |
53/64 |
.88 |
7/8-14 |
PTRK 5/8 |
25/32 |
3/16 |
| 5/8-18 |
PRKK 5/8-18 |
| 3/4-10 |
1-1/8-12 |
PRKK 3/4-10 |
1.12 |
1-1/16 |
1.14 |
1-1/8-12 |
PTRK 3/4 |
31/32 |
5/16 |
| 3/4-16 |
PRKK 3/4-16 |
| 7/8-9 |
1-1/4-12 |
PRKK 7/8-9 |
1.25 |
1-3/16 |
1.27 |
1-1/4-12 |
PTRK 7/8 |
1-3/32 |
5/16 |
| 7/8-14 |
PRKK 7/8-14 |
| 1-8 |
1-3/8-12 |
PRKK 1-8 |
1.37 |
1-5/16 |
1.39 |
1-3/8-12 |
PTRK 1 |
1-7/32 |
5/16 |
| 1-12 |
PRKK 1-12 |
| 1-14 |
PRKK 1-14 |
| 1-1/8-7 |
1-1/2-12 |
PRKK 1 1/8-7 |
1.62 |
1-7/16 |
1.52 |
1-1/2-12 |
PTRK 1 1/18 |
1-11/32 |
5/16 |
| 1-1/8-12 |
PRKK 1 1/8-12 |
| 1-1/8-18 |
PRKK 1 1/8-18 |
| 1-1/4-7 |
1-5/8-12 |
PRKK 1 1/4-7 |
1.81 |
1-9/16 |
1.64 |
1-5/8-12 |
PTRK 1 1/4 |
1-15/32 |
5/16 |
| 1-1/4-12 |
PRKK 1 1/4-12 |
| 1-1/2-6 |
1-7/8-12 |
PRKK 1 1/2-6 |
2.00 |
1-13/16 |
1.89 |
1-7/8-12 |
PTRK 1 1/2 |
1-23/32 |
5/16 |
| 1-1/2-12 |
PRKK 1 1/2-12 |
| 1-3/4-5 |
2-1/8-12 |
PRKK 1 3/4-5 |
2.12 |
2-1/16 |
2.14 |
2-1/8-12 |
PTRK 1 3/4 |
1-31/32 |
5/16 |
| 1-3/4-12 |
PRKK 1 3/4-12 |
**All dimensions in inches** Other sizes available on request.
Countersink diameters are optional providing KEENSERTS insert is below flush of surface.
No standard packaging applies to bulk quantities.
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