1 / 7SHAMJIBAG SJB-M3x6x5-100P-A M3x6x5 Brass Heat Set Inserts, 100 Pack
SJB-M3x6x5-100P-A Pack: SHAMJIBAG M3x6x5 brass heat set inserts are a 100-piece set of knurled threaded inserts for adding M3 threads to plastic and 3D-printed parts. The listing describes soldering-iron or ultrasonic-welder installation and compatibility with several thermoplastics.
At a glance
- A single M3x6x5 insert size in a 100-piece pack, rather than a multi-size assortment.
- Brass knurling is intended to grip plastic as it softens during heat-set installation.
- The listing names PLA, PETG, ABS, PPS and PP as compatible materials.
Pros and cons
Pros
- The 100-piece quantity suits projects needing repeated inserts of one size or spares.
- The M3 internal thread and knurled exterior are intended for reusable threaded joints in plastic parts.
- The listing describes installation with a soldering iron or ultrasonic welder.
Technical specifications
15 specifications| Brand | SHAMJIBAG |
|---|---|
| Model | SJB-M3x6x5-100P-A |
| Insert size | M3x6x5 |
| Thread size | M3 |
| Fastener type | Insert |
| Finish | Brass |
| Colour | Yellow |
| Number of pieces | 100 |
| Number of packs | 1 |
| Country of origin | China |
| Dimensions listed | 31 x 18 x 34 millimetres |
|---|---|
| Installation methods listed | soldering iron or ultrasonic welder |
| Hole types listed | blind or through holes |
| Listed compatible materials | PLA, PETG, ABS, PPS, and PP |
|---|---|
| Intended applications | drones, robotics, prototypes, and functional prints |
What to know before buying
Listing details to confirm
The listed item dimensions are 31 x 18 x 34 millimetres, while the product size is named M3x6x5. These appear to describe different things, but the listing does not explain the item-dimension measurement, so confirm the insert dimensions before buying if a precise fit is critical.
What’s in the box
- 100 M3x6x5 brass heat set insertsCheck selected pack
- 1 included componentCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- 3D-printing users needing M3 threaded inserts for plastic parts.
- Projects using one insert size across prototypes, robotics or functional prints.
- Users prepared to install heat-set inserts with a suitable soldering iron or ultrasonic welder.
Less suited to
- Buyers seeking an assortment of thread sizes.
- Projects requiring a supplied installation tool, which is not established by the listed contents.
Customer reviews on Amazon
- 5 stars
81% 81% - 4 stars
19% 19% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
The supplied evidence contains aggregate ratings but no customer comments, so it does not show what buyers liked or disliked. The rating distribution is positive within a small sample, but it cannot establish performance or resolve the listing's unclear dimension details. Buyers should assess the size and material fit against their own parts.
Frequently asked questions
What size are these inserts?
The product size is listed as M3x6x5, with an M3 thread. The separate item-dimensions field says 31 x 18 x 34 millimetres and is not explained, so confirm the actual insert measurements when fit is critical.
How are the inserts installed?
The listing describes using a soldering iron or an ultrasonic welder to heat the insert into a plastic part. It does not establish that either tool is included.
Which plastics are listed as compatible?
The manufacturer lists PLA, PETG, ABS, PPS and PP. Suitability can depend on the part and installation, which the listing does not detail.
How many inserts are included?
The product is described as a 100-piece set. The included-components field says “1” but does not clarify what that count represents.
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