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⚙️ Upgrade your fastening game with precision brass inserts that mean business!
The Antrader 50PCS M1.6 Brass Knurled Thread Insert Kit features 50 high-quality brass inserts with a 1.6mm internal thread, 2.5mm outer diameter, and 4mm height. Designed for durability, rust resistance, and heat tolerance, these inserts include a guide pilot for easy installation without countersinking, making them perfect for injection molding and professional fastening applications.





















| ASIN | B07TTQXVQH |
| Best Sellers Rank | 802,757 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,010 in Nut Inserts |
| Brand Name | Antrader |
| Colour | Brass Tone |
| Compatible Groove Diameter | 1.6 Millimeters |
| Customer Reviews | 4.5 out of 5 stars 44 Reviews |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Fastener Type | Knurled |
| Fastener type | Knurled |
| Finish Types | Brass |
| Inside Thread Size | M1.6 |
| Item Diameter | 1.6 Millimetres |
| Item Dimensions | 4 x 2 x 4 millimetres |
| Item Weight | 0.63 Ounces |
| Manufacturer | Guangzhou Openfind Electronic Commerce CO., LTD |
| Manufacturer Part Number | QXAD0072 |
| Material | Brass |
| Material Type | Brass |
| Maximum Shear Strength | [EST] 275 MPa |
| Metal | Brass |
| Metal type | Brass |
| Number Of Items | 50 |
| Number of Pieces | 50 |
| Size | M1.6x2.5mm(OD)x4mm(L),30 Pcs |
| Thread Coverage | Fully Threaded |
| Thread Size | M1.6 |
| Thread Style | Metric Internal |
| Thread Type | ISO Metric |
| Thread size | M1.6 |
S**S
Good
Good
S**P
They are not 5mm OD inserts. Dissappointing and a massive waste of time for me.
First and foremost, I received these and really felt confused why all my components I spent over 13 hours weren't properly accepting these inserts. I thought I was an idiot and didn't measure correctly, but all threaded inserts that I've seen actually measure the outer diameter with the knurls included. Search "M3 inserts" and look at the in-saiL brand that show the CAD file for their inserts. The OD is measured from the widest points. Other sellers that are selling these exact same inserts like uxcell list the OD as 5.4mm, but you really just have to include a diagram in the store page. Put the CAD drawing in there. I did count 50 inserts, the quality seems okay but one insert I saw did not have a chamfer on the opening so it's not perfect, and I think I prefer the counter-rotating knurled inserts over these vertical ones.
S**S
Neat stuff
I'm new to the heat set process but these are plenty cool. Didn't need so many but I'll use 'em up eventually.
B**L
Incorrect size
The outer Diameter of the threaded inserts is actually 5.4 mm, not 5 mm!!
Trustpilot
2 months ago
2 months ago