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Thread Turning Inserts for Knuckle Thread DIN 20400
This thread is used in the mining industry; with increased bearing depth.
IR = internal right hand
Quality: MXC (K10 - K20) (P10 - P 25)
Coated Micrograin, for Free Cutting untreated Alloy Steels (Below 30 HRC).
For Stainless Steels and Cast Iron
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Typ
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Pitch
mm
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L
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I.C. Zoll
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Tool size
Typ SIR
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22 IR 4.0 RD 20400
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4.0
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22
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1/2
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22 |
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22 IR 5.0 RD 20400
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5.0 |
22 |
1/2 |
22 |
| 22 IR 6.0 RD 20400 |
6.0 |
22 |
1/2 |
22 |
| **27U 8.0 RD 20400 |
8.0 |
27 |
5/8 |
27U |
** same insert for external and internal thread
price = for 3 pcs.
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