Threaded Insert Service
Last updated on Oct 21, 2026
JLC3DP supports 8 types of threaded inserts service in M3, M4, and M5 sizes for 3D-printed parts. To ensure proper installation and reliable fastening, please review the supported insert specifications, hole design requirements, ordering instructions, and lead times below before placing your order. Custom insert types and specifications are not supported.
1. Supported Threaded Insert Specifications & Types: M3, M4, M5 (8 types)
Type 1: TTH-M3*6.25-HD4.7
Type 2: DPLK-M3
Type 3: ELH1-M3*5.8*0.56-HD5.56
Type 4: M3*4*3
Type 5: M3*4*5
Type 6: M4*5*4
Type 7: M4*5*8
Type 8: M5*6*5
2. Threaded Insert Type and Hole Design Requirements
| Types | Insert Dimensions | Insert Hole Requirements | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OD (mm) |
ID (mm) |
Length (mm) |
Boss (mm) |
Hole Depth (mm) |
Ø (mm) |
Boss Depth (mm) |
Boss Ø (mm) |
Insert Hole Wall (mm) |
|
| TTH-M3*6.25-HD4.7 | 4.73 | 3 | 6.25 | 4.7 | 7 | 4 | 1 | 4.7 | 3 |
| DPLK-M3 | 4.5 | 3 | 5.8 | / | 7 | 3.9 | / | / | 3 |
| ELH1-M3*5.8*0.56-HD5.56 | 4.22 | 3 | 6.4 | 5.6 | 7 | 3.8 | 0.8 | 5.6 | 3 |
| M3*4*3 | 4 | 3 | 3 | / | 5 | 3.6 | / | / | 3 |
| M3*4*5 | 4 | 3 | 5 | / | 7 | 3.6 | / | / | 3 |
| M4*5*4 | 5 | 4 | 4 | / | 6 | 4.6 | / | / | 3 |
| M4*5*8 | 5 | 4 | 8 | / | 10 | 4.6 | / | / | 3 |
| M5*6*5 | 6.3 | 5 | 5 | / | 7 | 5.9 | / | / | 3 |
1Type 1: TTH-M3*6.25-HD4.7
- Insert dimensions: OD 4.73mm; ID 3.0mm; Length 6.25mm; Boss Ø 4.7mm.
- Insert hole requirements: Hole Depth 7.0mm, Ø 4.0mm, Boss Depth 1.0mm, Ø 4.7mm.



2Type 2: DPLK-M3
- Insert dimensions: OD 4.5mm; ID 3.0mm; Length 5.8mm.
- Insert hole requirements: Hole Depth 7.0mm, Ø 3.9mm.



3Type 3: ELH1-M3*5.8*0.56-HD5.56
- Insert dimensions: OD 4.22mm; ID 3.0mm; Length 6.4mm; Boss Ø 5.6mm.
- Insert hole requirements: Hole Depth 7.0mm, Ø 3.8mm, Boss Depth 0.8mm, Ø 5.6mm.



4Type 4: M3*4*3
- Insert dimensions: OD 4.0mm; ID 3.0mm; Length 3.0mm.
- Insert hole requirements: Hole Depth 5.0mm, Ø 3.6mm.



5Type 5: M3*4*5
- Insert dimensions: OD 4.0mm; ID 3.0mm; Length 5.0mm.
- Insert hole requirements: Hole Depth 7.0mm, Ø 3.6mm.



6Type 6: M4*5*4
- Insert dimensions: OD 5.0mm; ID 4.0mm; Length 4.0mm.
- Insert hole requirements: Hole Depth 6.0mm, Ø 4.6mm.



7Type 7: M4*5*8
- Insert dimensions: OD 5.0mm; ID 4.0mm; Length 8.0mm.
- Insert hole requirements: Hole Depth 10.0mm, Ø 4.6mm.



8Type 8: M5*6*5
- Insert dimensions: OD 6.3mm; ID 5.0mm; Length 5.0mm.
- Insert hole requirements: Hole Depth 7.0mm, Ø 5.9mm.



3. Threaded Insert Ordering Requirements
- Minimum Insert Hole Wall Thickness: 3.0 mm.
- Mounting Surface: Flat area ≥14mm×14mm for proper installation.
- Please upload the 2D drawing (PNG, PDF) when placing your order, and clearly specify the insert types and their locations in the diagram. Insert types and specifications are limited to the 8 types listed above; Custom options are not supported.

4. Threaded Insert Lead Time
For orders with 500 or more threaded inserts, lead time will be extended by 24 hours.
Note
Insert quantities are cumulative. For example, if you require 500 inserts initially and an additional 600 inserts later, the total insert count would be 1,100. In this case, the lead time will be extended by 72 hours (3 business days) beyond the standard lead time.