Brass Knurled Expansion Insert Application / Usage :
Plastic Industires
Electronic Industry
Automobile Industry etc..
Brass Knurled Expansion Insert Finishing & Coating :
Natural
Golden Finish
Silver Finish
Nickle Platted
Chrome Platted
Tin Plated
Any coating as per customer specifications
Brass Knurled 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 Knurled 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 dome nut.
Brass Knurled Expansion Insert Packing Details :
Bag Packging
Innear Plastic Packing
Carton Packaging
Woodan Carton Packing
Brass Knurled 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 fasteners.
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 Knurled Expansion Insert Dimension / Length / Size :
We manufacture any differnt size of insert as per Drawing or Sample.
| Thread Size |
Available Lengths (L) | 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.
