Specification

Tapping Speeds depending on Materials


Segment:1C
|
Size |
Code |
Chamfer |
L (mm) |
ℓ (mm) |
ℓn (mm) |
ℓs (mm) |
Ds (mm) |
K (mm) |
ℓk (mm) |
No. of flutes |
TYPE |
|
For Tripod Threads |
|||||||||||
|
1/4-20 |
SYU04N0KEB |
2.5P |
62 |
15 |
26 |
33 |
6 |
4.5 |
7 |
3 |
1 |
Specifications of threads for mounting a camera on a tripod as shown in the picture on the right.
The tripod thread is larger by about 0.14 mm than the unified thread in terms of the accuracy of its pitch diameter of internal threads, while their thread shapes are the same.


| แบรนด์สินค้า | YAMAWA |
|---|---|
| Order No. | 1/4-20 (SYU04N0KEB) |
| Model | SP TRI |
| Size | 1/4-20 |
| Chamfer | 2.5P |
| Overall length (L) | 62 |
| Thread length (ℓ) | 15 |
| Thread + Neck length (ℓn) | 26 |
| Shank length (ℓs) | 33 |
| Shank dia. (Ds) | 6 |
| Size of Square (K) | 4.5 |
| Length of square (ℓk) | 7 |
