Brass Expansion Insert - DBI-003

Brass Expansion Insert Dimension / Length / Size :


We manufacturing any differnt size insert as per Drawing or Sample.



ØH T Pilot Hole
M2 3.9 4.8 0.43 3.2
M2.5 4.7 5.5 0.51 4.0
M3 4.7 5.5 0.51 4.0
M3.5 6.3 6.4 0.66 4.7
M4 7.9 7.1 0.82 5.5
M5 9.4 7.9 0.99 6.3
M6 12.6 9.5 1.25 8.0
M8 12.6 11.1 1.25 9.6

All dimensions in mm.
Pilot hole dimensions are for reference purposes only.


Brass Expansion Insert Brand Name :



Brass Expansion Insert Metal :

Brass / Copper Alloy


Brass Expansion Insert Rod :

Casting / Extrusion


Brass Expansion Insert Material :

Free Cutting Brass IS 319 Type (l)

Free Cutting Brass as per BS 249 Type (I)

Generally Free Machine Grade of CuZn37Pb3 equivalent to BS 2874 is used to manufacture various brass threaded inserts in form of round, Hexagon, Square etc

Other grades which are followed as per custom requirements are CZ 121, CZ 131, C3604, CDA 360, and DTD 627 etc

High Grade Free Cutting Brass.

Any Special Brass Material Composition as per customer’s requirement


Brass Expansion Insert Threads :

ISO Metric (MM Threads)

BA Threads

BSW Threads (Inches)

UNC, UNF,UNEF and NPT Threads

BSP & BSPT (Parallel & Taper Threads)

Any threads as per specifications

Brass Expansion Insert Finishing & Coating :


Golden Finish

Silver Finish

Nickle Platted

Chrome Platted

Tin Plated

Any coating as per customer specifications


Brass Expansion Insert Packing Details :

Bag Packaging,

Innear Plastic Packing,

Carton Packaging,

Wooden Carton Packing


Brass Expansion Insert Special Features :

Thread as per international Go and Not Go Gauge Standard.

Deep Groove for maximum Pull out Resistance.

Inner Diameter (ID) after threading with very close tolerance to prevent unrequired flush to enter into brass inserts.


Brass Expansion Insert Application / Usage :

Plastic Industires

Furniture Industry

Wooden Industry

Electronic Industry

Automobile Industry,etc…

Brass Expansion Insert MOQ :

1000 Pieces

Brass Expansion Insert Lead Time :

3 Working Days


Brass Expansion Insert Available Price :


FOB – Free On Board

C&F – Cost And Freight

CIF  – Cost, Insurance and Freight