Micro Countersunk Head Trifix 2 Screws - Recess H
For thermoplastics
Three-lobed threadform
Materials/Finishes:
Case hardened steel/Zinc & clear de-embrittled
Stainless steel/Self colour
Note: As there are varying dimensional standards for micro diameter products we recommend you contact your nearest TR location prior to specifying, if head dimensions are critical.
Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information
 | 3F - Standard Countersunk | |||||
| Thread Size (d)* | M1.4 | M1.6 | M1.7 | M2 | M2.3 | M2.6 |
| Pitch (p) | 0.5 | 0.64 | 0.64 | 0.79 | 0.91 | 1.06 |
| D | 2.5 | 2.8 | 3 | 3.5 | 4 | 4.5 |
| H | 0.7 | 0.8 | 0.8 | 0.9 | 1 | 1.1 |
| m | 1.50 | 1.65 | 1.75 | 1.95 | 2.0 | 2.0 |
| Recommended hole sizes (for guidance purposes only) | ||||||
| In Plastcis | 1.09-1.24 | 1.27-1.42 | 1.35-1.51 | 1.62-1.82 | 2.00-2.05 | 2.20-2.25 |
*Incomplete thread shall be less than 2 pitches
 | 1F - Small Countersunk | |||||
| Thread Size (d) * | M1.4 | M1.6 | M1.7 | M2 | M2.3 | M2.6 |
| Pitch (p) | 0.5 | 0.64 | 0.64 | 0.79 | 0.91 | 1.06 |
| D | 2 | 2.4 | 2.5 | 3 | 3.5 | 4 |
| H | 0.45 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 |
| m | 1.45 | 1.55 | 1.55 | 1.85 | 2.0 | 2.0 |
| Recommended hole sizes (for guidance purposes only) | ||||||
| In Plastics | 1.09-1.24 | 1.27-1.42 | 1.35-1.51 | 1.62-1.82 | 2.00-2.05 | 2.20-2.25 |
*Incomplete thread shall be less than 2 pitches
Note: As there are varying dimensional standards for micro diameter products we recommend you contact your nearest TR location prior to specifying, if head dimensions are critical.
Select ..
| Preferred size / availability | Part number | Thread | Material | Length | Finish | Head Size | |
Please make a selection from the criteria above | |||||||