This M50x1.5P variant uses the SWT F-type locking architecture for precision axial retention in CNC spindle and ball-screw support assemblies. Manufacturer family data verifies material, hardness, ISO thread accuracy and run-out. Thread, locking architecture and installation envelope must all match the machine assembly.
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SWT/F M50x1.5P exact-model fiziksel ürün görseli; teknik değerler resmi SWIFT kaynağından doğrulanmıştır.
Full model and revision are checked before ordering.
SWIFT / SWT ↗SWT/F Precision Lock Nut
SWT/F M50x1.5P Precision CNC Lock Nut
This M50x1.5P variant uses the SWT F-type locking architecture for precision axial retention in CNC spindle and ball-screw support assemblies.
- Model / reference
- SWT/F M50x1.5P
- Order code
- SWT/F M50x1.5P
- Manufacturer
- Jiangsu Swift Machinery Technology Co., Ltd
Technical data checked: 2026-09-24
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Product overview
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Technical specifications
Product data organized into clear specification groups.
mechanical
| thread | M50x1.5P |
|---|---|
| locking_principle | 3-point 30° tooth-flank locking with brass locking pins |
| material | 42CrMo / 40Cr / #45 steel (manufacturer family specification) |
| hardness | HRC28–32 |
| thread_precision | ISO 4H |
| runout | 0.005 mm (manufacturer family specification) |
| outer_diameter | 70 mm |
| thickness | 20 mm |
| reference_diameter | 65 mm |
| locking_notch_or_geometry | 3-6 |
| t_dimension | 2.5 mm |
| locking_screw_pattern | 3-M8 |
| manufacturer_table_value_max_Nm | 18 Nm |
dimensions
| type | verified_numeric |
|---|---|
| outer_diameter_mm | 70 |
| thickness_mm | 20 |
| reference_diameter_mm | 65 |
| source | https://resourcewebsite.singoo.cc/14652035221042954/ar/pdf/1648027633346/Precision%20Lock%20nut-catalgoue.pdf |
| verification | Manufacturer family/catalogue; no unverified dimension invented. |
environment
| ip_rating | Not specified in official SWIFT lock-nut catalogue |
|---|---|
| operating_temperature | Not specified in official SWIFT lock-nut catalogue |
| material_environment_note | Confirm corrosion protection, lubrication exposure and machine ambient conditions against the bearing/spindle assembly design. |
| source | https://www.swtparts.com/product-high-quality-f-series-machine-locknuts-for-machine |
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Application, selection and use
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Applications
CNC spindle bearing retention
Ball-screw support bearing locking
Precision shaft axial retention
Selection criteria
Confirm exact thread M50x1.5P.
Confirm SWT/F locking architecture; F, R and K types are not interchangeable by appearance.
Verify shaft/bearing stack dimensions against the machine drawing before installation.
Installation notes
Clean shaft threads and mating faces before installation.
Apply the manufacturer locking method uniformly; do not use impact tools on the precision nut.
After locking, verify axial seating and run-out according to the machine/bearing procedure.
Commissioning
Rotate the shaft by hand where permitted and check for binding.
Verify bearing preload/axial location according to the machine builder procedure.
Maintenance / service
Inspect locking screws/pins and witness marks during scheduled spindle or ball-screw service.
Replace the nut if threads, locking elements or precision seating faces are damaged.
Variants / options
Other SWT/F thread sizes must be selected by exact manufacturer table; do not substitute by visual similarity.
Accessories & compatibility
Compatible bearing/support assembly per machine drawing
Correct hook/spanner or installation tool sized for the nut
Related product references
Ball-screw support bearings
CNC spindle bearings
Precision lock-nut installation tooling
Alternative product assessment
An alternative is acceptable only when thread M50x1.5P, locking principle, envelope dimensions, thread precision and run-out requirements are confirmed equivalent. Visual similarity alone is not sufficient.
Technical documents
Open data sheets and manufacturer sources. Links open in a new tab.
Frequently asked questions
SWT/F M50x1.5P hangi uygulamalarda kullanılır?
CNC spindle, bilyalı vida destek rulmanı ve hassas şaft eksenel sabitleme uygulamalarında kullanılır.
F, R ve K tipi birbirinin yerine kullanılabilir mi?
Hayır. Kilitleme prensibi ve mekanik geometri farklıdır; exact model ve makine çizimi doğrulanmalıdır.
Montajda hangi değer kontrol edilmelidir?
Diş ölçüsü, dış ölçüler, kilitleme tipi, yatak ön yükü ve izin verilen salgı makine/üretici prosedürüne göre kontrol edilmelidir.
Related industries & technical tags
Technical verification note
Before ordering, confirm application suitability, safety functions, connections and revision differences against the exact product code and manufacturer documentation.
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