HeliCoil® Dimensions Tables
Use the following table as an aid to ordering the appropriate fastener. As always, if you have any questions at all, be sure to contact us or submit an online request.
All parts are available with full certifications and dfar compliant 252.225-7014
Diamond Fasteners is an ISO certified company. Click here to see our certifications.
| UNC Free Running Specifications |
| Code |
Military |
Thread |
Length |
| 1185-1CN216 |
|
12-24 |
0.216 |
| 1185-1CN324 |
|
12-24 |
0.324 |
| 1185-1CN432 |
|
12-24 |
0.432 |
| 1185-02CN086 |
MS122095 |
2-56 |
0.086 |
| 1185-02CN129 |
MS122135 |
2-56 |
0.129 |
| 1185-02CN172 |
MS122175 |
2-56 |
0.172 |
| 1185-2CN164 |
MS122079 |
8-32 |
0.164 |
| 1185-2CN246 |
MS122119 |
8-32 |
0.246 |
| 1185-2CN328 |
MS122159 |
8-32 |
0.328 |
| 1185-3CN190 |
MS122080 |
10-24 |
0.19 |
| 1185-3CN285 |
MS122120 |
10-24 |
0.285 |
| 1185-3CN380 |
MS122160 |
10-24 |
0.38 |
| 1185-03CN099 |
MS122115 |
3-48 |
0.099 |
| 1185-03CN148 |
MS122155 |
3-48 |
0.148 |
| 1185-03CN198 |
MS122195 |
3-48 |
0.198 |
| 1185-04CN112 |
MS122076 |
4-40 |
0.112 |
| 1185-04CN168 |
MS122116 |
4-40 |
0.168 |
| 1185-04CN224 |
MS122156 |
4-40 |
0.224 |
| 1185-05CN125 |
MS122077 |
5-40 |
0.125 |
| 1185-05CN188 |
MS122117 |
5-40 |
0.188 |
| 1185-05CN250 |
MS122157 |
5-40 |
0.25 |
| 1185-06CN138 |
MS122078 |
6-32 |
0.138 |
| 1185-06CN207 |
MS122118 |
6-32 |
0.207 |
| 1185-06CN276 |
MS122158 |
6-32 |
0.276 |
| 1185-4CN250 |
MS122081 |
1/4-20 |
0.25 |
| 1185-4CN375 |
MS122121 |
1/4-20 |
0.375 |
| 1185-4CN500 |
MS122161 |
1/4-20 |
0.5 |
| 1185-5CN312 |
MS122082 |
5/16-18 |
0.312 |
| 1185-5CN469 |
MS122122 |
5/16-18 |
0.469 |
| 1185-5CN625 |
MS122162 |
5/16-18 |
0.625 |
| 1185-6CN375 |
MS122083 |
3/8-16 |
0.375 |
| 1185-6CN562 |
MS122123 |
3/8-16 |
0.562 |
| 1185-6CN750 |
MS122163 |
3/8-16 |
0.75 |
| 1185-7CN438 |
MS122084 |
7/16-14 |
0.438 |
| 1185-7CN656 |
MS122124 |
7/16-14 |
0.656 |
| 1185-7CN875 |
MS122164 |
7/16-14 |
0.875 |
| 1185-8CN1000 |
MS122085 |
1/2-13 |
1 |
| 1185-8CN500 |
MS122125 |
1/2-13 |
0.5 |
| 1185-8CN750 |
MS122165 |
1/2-13 |
0.75 |
|
|
| UNC Screw Lock Specifications |
| Code |
Military |
Thread |
Length |
| 3585-1CN216 |
MS21209-C2-10 |
12-24 |
0.216 |
| 3585-1CN324 |
MS21209-C2-15 |
12-24 |
0.324 |
| 3585-1CN432 |
MS21209-C2-20 |
12-24 |
0.432 |
| 3585-02CN086 |
MS21209-C0210 |
2-56 |
0.086 |
| 3585-02CN129 |
MS21209-C0215 |
2-56 |
0.129 |
| 3585-02CN172 |
MS21209-C0220 |
2-56 |
0.172 |
| 3585-2CN164 |
MS21209-C0810 |
8-32 |
0.164 |
| 3585-2CN246 |
MS21209-C0815 |
8-32 |
0.246 |
| 3585-2CN328 |
MS21209-C0820 |
8-32 |
0.328 |
| 3585-3CN190 |
MS21209-C1-10 |
10-24 |
0.19 |
| 3585-3CN285 |
MS21209-C1-15 |
10-24 |
0.285 |
| 3585-3CN380 |
MS21209-C1-20 |
10-24 |
0.38 |
| 3585-03CN099 |
MS21209-C0310 |
3-48 |
0.099 |
| 3585-03CN148 |
MS21209-C0315 |
3-48 |
0.148 |
| 3585-03CN198 |
MS21209-C0320 |
3-48 |
0.198 |
| 3585-04CN112 |
MS21209-C0410 |
4-40 |
0.112 |
| 3585-04CN168 |
MS21209-C0415 |
4-40 |
0.168 |
| 3585-04CN224 |
MS21209-C0420 |
4-40 |
0.224 |
| 3585-4CN250 |
MS21209-C4-10 |
1/4-20 |
0.25 |
| 3585-4CN375 |
MS21209-C4-15 |
1/4-20 |
0.375 |
| 3585-4CN500 |
MS21209-C4-20 |
1/4-20 |
0.5 |
| 3585-05CN125 |
MS21209-C0510 |
5-40 |
0.125 |
| 3585-05CN188 |
MS21209-C0515 |
5-40 |
0.188 |
| 3585-05CN250 |
MS21209-C0520 |
5-40 |
0.25 |
| 3585-5CN312 |
MS21209-C5-10 |
5/16-18 |
0.312 |
| 3585-5CN469 |
MS21209-C5-15 |
5/16-18 |
0.469 |
| 3585-5CN625 |
MS21209-C5-20 |
5/16-18 |
0.625 |
| 3585-06CN138 |
MS21209-C0610 |
6-32 |
0.138 |
| 3585-06CN207 |
MS21209-C0615 |
6-32 |
0.207 |
| 3585-06CN276 |
MS21209-C0620 |
6-32 |
0.276 |
| 3585-6CN375 |
MS21209-C6-10 |
3/8-16 |
0.375 |
| 3585-6CN562 |
MS21209-C6-15 |
3/8-16 |
0.562 |
| 3585-6CN750 |
MS21209-C6-20 |
3/8-16 |
0.75 |
| 3585-7CN438 |
MS21209-C7-10 |
7/16-14 |
0.438 |
| 3585-7CN656 |
MS21209-C7-15 |
7/16-14 |
0.656 |
| 3585-7CN875 |
MS21209-C7-20 |
7/16-14 |
0.875 |
| 3585-8CN1000 |
MS21209-C8-10 |
1/2-13 |
1 |
| 3585-8CN500 |
MS21209-C8-15 |
1/2-13 |
0.5 |
| 3585-8CN750 |
MS21209-C8-20 |
1/2-13 |
0.75 |
|
| UNF Free Running Specifications |
| Code |
Military |
Thread |
Length |
| 1191-2CN164 |
MS124654 |
8-36 |
0.164 |
| 1191-2CN246 |
MS124694 |
8-36 |
0.246 |
| 1191-2CN328 |
MS124734 |
8-36 |
0.328 |
| 1191-3CN190 |
MS124655 |
10-32 |
0.19 |
| 1191-3CN285 |
MS124695 |
10-32 |
0.285 |
| 1191-3CN380 |
MS124735 |
10-32 |
0.38 |
| 1191-03CN099 |
MS124670 |
3-56 |
0.099 |
| 1191-03CN148 |
MS124710 |
3-56 |
0.148 |
| 1191-03CN198 |
MS124750 |
3-56 |
0.198 |
| 1191-04CN112 |
MS124671 |
4-48 |
0.112 |
| 1191-04CN168 |
MS124711 |
4-48 |
0.168 |
| 1191-04CN224 |
MS124751 |
4-48 |
0.224 |
| 1191-4CN250 |
MS124656 |
1/4-28 |
0.25 |
| 1191-4CN375 |
MS124696 |
1/4-28 |
0.375 |
| 1191-4CN500 |
MS124736 |
1/4-28 |
0.5 |
| 1191-5CN312 |
MS124657 |
5/16-24 |
0.312 |
| 1191-5CN469 |
MS124697 |
5/16-24 |
0.469 |
| 1191-5CN625 |
MS124737 |
5/16-24 |
0.625 |
| 1191-06CN138 |
MS124653 |
6-40 |
0.138 |
| 1191-06CN207 |
MS124693 |
6-40 |
0.207 |
| 1191-06CN276 |
MS124733 |
6-40 |
0.276 |
| 1191-6CN375 |
MS124658 |
3/8-24 |
0.375 |
| 1191-6CN562 |
MS124698 |
3/8-24 |
0.562 |
| 1191-6CN750 |
MS124738 |
3/8-24 |
0.75 |
| 1191-7CN438 |
MS124659 |
7/16-20 |
0.438 |
| 1191-7CN656 |
MS124699 |
7/16-20 |
0.656 |
| 1191-7CN875 |
MS124739 |
7/16-20 |
0.875 |
| 1191-8CN1000 |
MS124740 |
1/2-20 |
1 |
| 1191-8CN500 |
MS124660 |
1/2-20 |
0.5 |
| 1191-8CN750 |
MS124700 |
1/2-20 |
0.75 |
|
|
| UNF Screw Lock Specifications |
| Code |
Military |
Thread |
Length |
| 3591-2CN164 |
MS21209-F0810 |
8-36 |
0.164 |
| 3591-2CN246 |
MS21209-F0815 |
8-36 |
0.246 |
| 3591-2CN328 |
MS21209-F0820 |
8-36 |
0.328 |
| 3591-03CN099 |
MS21209-F0310 |
3-56 |
0.099 |
| 3591-03CN148 |
MS21209-F0315 |
3-56 |
0.148 |
| 3591-03CN198 |
MS21209-F0320 |
3-56 |
0.198 |
| 3591-4CN250 |
MS21209-F4-10 |
1/4-28 |
0.25 |
| 3591-4CN375 |
MS21209-F4-15 |
1/4-28 |
0.375 |
| 3591-4CN500 |
MS21209-F4-20 |
1/4-28 |
0.5 |
| 3591-5CN312 |
MS21209-F5-10 |
5/16-24 |
0.312 |
| 3591-5CN469 |
MS21209-F5-15 |
5/16-24 |
0.469 |
| 3591-5CN625 |
MS21209-F5-20 |
5/16-24 |
0.625 |
| 3591-06CN138 |
MS21209-F0610 |
6-40 |
0.138 |
| 3591-06CN207 |
MS21209-F0615 |
6-40 |
0.207 |
| 3591-06CN276 |
MS21209-F0615 |
6-40 |
0.276 |
| 3591-6CN375 |
MS21209-F6-10 |
3/8-24 |
0.375 |
| 3591-6CN562 |
MS21209-F6-15 |
3/8-24 |
0.562 |
| 3591-6CN750 |
MS21209-F6-20 |
3/8-24 |
0.75 |
| 3591-7CN438 |
MS21209-F7-10 |
7/16-20 |
0.438 |
| 3591-7CN656 |
MS21209-F7-15 |
7/16-20 |
0.656 |
| 3591-7CN875 |
MS21209-F7-20 |
7/16-20 |
0.875 |
| 3591-8CN1000 |
MS21209-F8-20 |
1/2-20 |
1 |
| 3591-8CN500 |
MS21209-F8-10 |
1/2-20 |
0.5 |
| 3591-8CN750 |
MS21209-F8-15 |
1/2-20 |
0.75 |
|
All parts are available with full certifications and dfar compliant 252.225-7014
