BaerCoil Wire Thread Inserts M 4 x 0.7 - 2.0 D (8 mm) - free running - Bronze - 100 pcs.
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BaerCoil Wire Thread Inserts M 4 x 0.7 - 2.0 D (8 mm) - free running - Bronze - 100 pcs.
BaerCoil® thread inserts are the perfect solution for your thread repair needs! These inserts provide a durable and powerful thread connection and scrap recovery.
The BaerCoil® thread insert is the perfect solution for damaged threads - with the same nominal diameter! For thread repair with wire thread inserts, the thread is drilled out and a new STI thread (screw thread insert) for the wire thread insert is cut. This thread is often also called STI thread (STI=Screw Thread Insert).
BaerCoil® thread inserts ensure optimum power transmission from the bolt to the nut thread, even in lightweight constructions. Today, they are already an important component in aviation and vehicle construction. They save weight and allow the use of smaller and shorter bolted connections.
BaerCoil® thread inserts can be shortened, according to the required length, with a side cutter or similar.
Dimensions
| Diameter |
4 |
|---|---|
| Pitch |
0,7 |
| Dimension |
M 4 x 0,7 |
| Length |
2,0 D |
| T (Length when installed) |
8 mm |
| Thread length calculation |
2.0 D means 2 times the diameter: 2 times 4 mm=8 mm The nominal diameter for M 4 is 4 mm |
Characteristics
| Product group |
Wire thread inserts |
|---|---|
| Product type |
BaerCoil wire thread inserts |
| Thread standard |
M: Metric ISO standard thread according to DIN 13 |
| Tolerance |
ISO2/6H |
| Direction |
Right |
| Type |
free running |
| Tensile strength at room temperature |
> 900 N/mm² |
| Material |
from Bronze (CuSn6, CW452K, material no.: 2.1020) |
| Temperature resistance |
250°C long-term 300°C short-term |
Applications
- Applications in seawater
- Best electrical conductivity
Attributes
- Movement thread
- Cr-Ni screws
- Cu workpieces
- Non-magnetic
Technical drawing
| Diameter |
4 |
|---|---|
| Length |
2,0 D |
| T (Length when installed) |
8 mm |
| F (Min. - Max. outside diameter of thread insert) |
4,83 mm - 5,60 mm |
| P (depth) |
The thread insert must sit 1/4 - 1/2 turns below the surface |
| B (thread depth with chamfer) |
10,45 mm |
| D (minimum depth of the core hole, without tip) |
11,15 mm |
Video instructions
Further information
Product data sheet
Safety instructions
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