BaerCoil Thread Repair Kit UNF 8 x 36
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BaerCoil Thread Repair Kit UNF 8 x 36
With this BaerCoil® thread repair set it is possible to repair through hole threads and blind-hole threads in UNF No. 8 x 36.
BaerCoil® thread inserts are the best solution for all your thread repair needs! With them you are able to make durable and strong connections. With the inserts you avoid waste in your components and can recycle them. The inserts are precise and wear resistant - your screw will stay firmly in place without the thread insert slipping out.
The BaerCoil® thread insert is the perfect solution for damaged threads without changing the nominal diameter. For the thread repair with wire thread inserts, the thread is drilled out and a new STI thread (screw thread insert) is cut for the wire thread insert. This thread is often also called STI thread (STI=Screw Thread Insert). Then the BaerCoil® thread insert is screwed into the old thread and thus the workpieces are screwed back together. With BaerCoil® thread inserts, the thread produced is significantly more stable than the original thread.
Our thread inserts ensure that both static and dynamic work loads are distributed evenly over the individual thread turns. In addition, the flexibility of the thread inserts compensates for possible pitch and angular errors, so that optimum force transmission from the bolt to the nut thread is achieved. Especially in lightweight constructions, BaerCoil® thread inserts help to save carrier material and to use smaller or shorter screw connections. They are already an important component in aviation and vehicle construction. They significantly save material and contribute to the conservation of resources.
For repair directly on the thread, this thread repair kit contains various auxiliary tools, such as the core drill bit, hand tap with oversize for insert thread, insertion tool, tang breaker and wire thread inserts made of stainless steel.
BaerCoil® thread inserts can be shortened, if necessary, according to the required length with a side cutter or similar.
Dimensions
| Diameter |
No. 8 |
|---|---|
| Pitch |
36 |
| Dimension |
UNF No. 8 x 36 |
| Length |
1,5 D |
| T (Length when installed) |
6,25 mm |
| Thread length calculation |
1.5 D means 1.5 times the diameter: 1.5 times 4.17 mm=6.25 mm The nominal diameter for UNF No. 8 is approx. 4.17 mm |
Characteristics
| Product group |
Wire thread inserts - Repair kits |
|---|---|
| Product type |
BaerCoil thread repair kits |
| Thread standard |
UNF: American Fine Unified National thread according to ANSI B1.1 |
| Direction |
Right |
| Type |
free running |
| Tensile strength at room temperature |
>1400 N/mm² |
| Material |
Stainless Steel V2A (AISI 304, X5CrNi18-10, Material No.: 1.4301) |
| Temperature resistance |
315°C long-term 425°C short-term |
Applications
All normal uses for thread repair and for thread reinforcement of through-hole and blind-hole threads.
Technical drawing
| Diameter |
No. 8 |
|---|---|
| Length |
1,5 D |
| T (Length when installed) |
6,25 mm |
| F (Min. - Max. outside diameter of thread insert) |
0,197 '' - 0,224 '' |
| P (depth) |
The thread insert must sit 1/4 - 1/2 turns below the surface |
| B (thread depth with chamfer) |
0,343 '' |
| D (minimum depth of the core hole, without tip) |
0,371 '' |
Content
- 1 x 16144: BaerCoil HSS twist drill bit 4.40 mm
- 1 x B3153: BaerCoil HSSG Single flute tap UNF 8 x 36 EG
- 1 x EBW04: BaerCoil Installation tool UNF 8 x 36
- 1 x BZ004: BaerCoil Tang breaker UNF 8 x 36
- 20 x B8292-15: BaerCoil thread inserts UNF No. 8 x 36 - Length: 1.5 D - Type: free-running - Material: A2 (1.4301)
Video instructions
Zubehör
