Thread Fix
Unheaded (UHDTHRFIX) Headed (HDTHRFIX)
| Metric and Unified Dimensions | Brass / Self Colour | ||||||||
| Thread Size | Metric | M2.5* | M3 | M3.5 | M4 | M5 | M6 | M8* | M10* |
| Unified* | - | 4.40 UNC* | 6.32 UNC* | 8.32 UNC* | 10.24 UNC* | 1/4-20 UNC* | 5/16-18 UNC* | 3/8-16 UNC* | |
| 10.32 UNF* | 1/4-28 UNF* | 5/16-24 UNF* | 3/8-24 UNF* | ||||||
| L mm | 6.0 | 6.0 | 8.0 | 8.0 | 10.0 | 14.0 | 15.0 | 18.0 | |
| T mm | 0.58 | 0.58 | 0.73 | 0.89 | 1.06 | 1.32 | 1.32 | 1.57 | |
| H mm | 6.0 | 6.5 | 7.5 | 8.0 | 9.5 | 12.0 | 14.0 | 16.0 | |
| W mm max | 4.5 | 5.0 | 6.0 | 6.5 | 8.0 | 10.0 | 12.0 | 14.0 | |
| Recommended Hole Size Thermoplastics mm | 4.0-4.1 | 4.5-4.6 | 5.3-5.4 | 5.8-5.9 | 7.1-7.2 | 8.6-8.8 | 10.6-10.8 | 12.6-12.8 | |
| Recommended Hole Sizes Thermosets mm | 4.1-4.3 | 4.6-4.8 | 5.5-5.7 | 6.0-6.2 | 7.3-7.6 | 9.0-9.4 | 11.0-11.4 | 13.0-13.4 | |
* Non preferred - Please contact our sales team to enquire for availability.
Unified variations can be manufactured with either fine or coarse threads. Please state when enquiring.
All data is correct to the best of our knowledge, however Lancaster Fastener cannot be held responsible for any errors or omissions.
Thread-Fix - Information for designers
The Thread-Fix is a self-tapping insert, designed for post mould installation into thermoplastics and thermosets. They are ideally suited to applications which may involve high jack-out loading.
Advantages
Simple, self-tapping installations
Helps prevent jack-out
High torque resistance
Installation Data
The Thread-Fix is installed by tapping using a hand tool, vertical drill with tapping attachment or standard tapping machine. Max RPM 35-40. Mandre must not go past slot.
