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CAT SERIES - COVERS ALL THREADS
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Polymer Molding is pleased to introduce our latest series of protective caps. Ideal for automated feed systems,
the CAT (covers all threads) Series offers the user solid product protection with the flexibility to remove and replace
the cap as needed. Designed to protect products with and without o-rings, the clarity of the product allows
visibility without removal. PMI offers a variety of sizes to meet your standard, NPT or metric thread protection
needs. Non-threaded applications may also be served with this versatile line of caps
- Typical wall thickness: .032
- Color: Natural
- Material: Low Density Polyethylene
- LDPE service temperature: 150° F (66° C)
- RoHS Compliant
 
STANDARD THREAD
PART NO. |
TO CAP THREAD SIZE |
A |
B |
C |
BOX QTY. |
SELECT PACK QTY. |
in. |
mm. |
in. |
mm |
in. |
mm. |
| CAT 7/16 |
7/16" |
0.429 |
10.90 |
0.462 |
11.73 |
0.684 |
17.37 |
10,000 |
1,000 |
| CAT 1/2 |
1/2" |
0.489 |
12.42 |
0.464 |
11.79 |
0.743 |
18.87 |
7,000 |
1,000 |
| CAT 9/16 |
9/16" |
0.550 |
13.97 |
0.492 |
12.50 |
0.801 |
20.35 |
7,500 |
1,000 |
| CAT 11/16 |
11/16" |
0.676 |
17.17 |
0.500 |
12.70 |
0.940 |
23.88 |
5,000 |
1,000 |
| CAT 3/4 |
3/4" |
0.740 |
18.80 |
0.670 |
17.02 |
0.987 |
25.07 |
3,500 |
1,000 |
| CAT 13/16 |
13/16" |
0.802 |
20.37 |
0.560 |
14.22 |
1.060 |
26.92 |
3,500 |
1,000 |
| CAT 7/8 |
7/8" |
0.864 |
21.95 |
0.660 |
16.76 |
1.120 |
28.45 |
2,500 |
1,000 |
| CAT 1 |
1" |
0.990 |
25.15 |
0.660 |
16.76 |
1.250 |
31.75 |
3,000 |
500 |
| CAT 1-1/16 |
1-1/16" |
1.052 |
26.72 |
0.742 |
18.85 |
1.302 |
33.07 |
2,250 |
500 |
| CAT 1-3/16 |
3/16" |
1.175 |
29.85 |
0.750 |
19.05 |
1.440 |
36.58 |
2,000 |
500 |
| CAT 1-5/16 |
1-5/16" |
1.297 |
32.94 |
0.747 |
18.97 |
1.539 |
39.09 |
1,500 |
500 |
| CAT 1-7/16 |
1-7/16" |
1.426 |
36.22 |
0.750 |
19.05 |
1.690 |
22.96 |
1,000 |
500 |
| CAT 1-5/8 |
1-5/8" |
1.612 |
40.94 |
0.850 |
21.59 |
1.880 |
47.75 |
1,000 |
500 |
| CAT 1-11/16 |
1-11/16" |
1.674 |
42.52 |
0.850 |
21.59 |
1.940 |
49.28 |
800 |
250 |
| CAT 1-7/8 |
1-7/8" |
1.861 |
47.27 |
0.970 |
24.64 |
2.120 |
53.85 |
500 |
250 |
| CAT 2 |
2" |
1.985 |
50.42 |
1.090 |
27.69 |
2.250 |
57.15 |
800 |
250 |
| CAT 2-1/2 |
2-1/2" |
2.481 |
63.02 |
1.220 |
30.99 |
2.750 |
69.85 |
500 |
250 |
N.P.T. THREAD
PART NO. |
TO CAP N.P.T. SIZE |
A |
B |
C |
BOX QTY. |
SELECT PACK QTY. |
in. |
mm. |
in. |
mm |
in. |
mm. |
| CAT 0125 |
1/8" |
0.398 |
10.11 |
0.375 |
9.530 |
0.655 |
16.64 |
15,000 |
1,000 |
| CAT 0250 |
1/4" |
0.533 |
13.45 |
0.530 |
13.46 |
0.085 |
27.56 |
2,500 |
1,000 |
| CAT 0375 |
3/8" |
0.669 |
16.99 |
0.525 |
13.34 |
0.935 |
23.75 |
5,000 |
1,000 |
| CAT 0500 |
1/2" |
0.830 |
21.08 |
0.710 |
18.03 |
1.085 |
27.56 |
2,500 |
1,000 |
| CAT 0750 |
3/4" |
1.045 |
26.54 |
0.745 |
18.92 |
1.315 |
33.40 |
3,500 |
1,000 |
| CAT 1000 |
1" |
1.300 |
33.02 |
0.915 |
23.24 |
1.550 |
39.37 |
1,000 |
500 |
| CAT 1250 |
1-1/4" |
1.650 |
41.91 |
0.965 |
24.51 |
1.950 |
49.53 |
800 |
250 |
| CAT 1500 |
1-1/2" |
1.890 |
48.01 |
0.960 |
24.38 |
2.175 |
55.25 |
2,000 |
500 |
| CAT 2000 |
2" |
2.355 |
59.82 |
1.015 |
25.78 |
2.630 |
66.80 |
600 |
250 |
METRIC THREAD
PART NO. |
TO CAP METRIC SIZE |
A |
B |
C |
BOX QTY. |
SELECT PACK QTY. |
in. |
mm. |
in. |
mm |
in. |
mm. |
| CAT 10 |
M10 |
0.384 |
9.750 |
0.323 |
8.200 |
0.689 |
17.50 |
7,000 |
1,000 |
| CAT 12 |
M12 |
0.463 |
11.76 |
0.470 |
11.94 |
0.768 |
19.51 |
7,000 |
1,000 |
| CAT 14 |
M14 |
0.540 |
13.72 |
0.470 |
11.94 |
0.846 |
21.49 |
6,000 |
1,000 |
| CAT 16 |
M16 |
0.617 |
15.67 |
0.470 |
11.94 |
0.925 |
23.50 |
5,000 |
1,000 |
| CAT 18 |
M18 |
0.696 |
17.68 |
0.470 |
11.94 |
1.004 |
25.50 |
5,000 |
1,000 |
| CAT 20 |
M20 |
0.774 |
19.66 |
0.553 |
14.05 |
1.083 |
27.51 |
3,000 |
1,000 |
| CAT 22 |
M22 |
0.855 |
21.72 |
0.553 |
14.05 |
1.161 |
29.49 |
3,000 |
1,000 |
| CAT 33 |
M33 |
1.285 |
32.64 |
0.689 |
17.50 |
1.594 |
40.49 |
3,000 |
1,000 |
| CAT 38 |
M38 |
1.481 |
37.62 |
0.689 |
17.50 |
1.791 |
45.49 |
1,000 |
500 |
| CAT 42 |
M42 |
1.641 |
41.68 |
0.689 |
17.50 |
1.949 |
49.50 |
1,000 |
500 |
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