Bobbin Spindle
Slender bobbin spindle with cone tip and knurled grip zone for bobbin centring.
Manufacturing Scope
Bobbin Spindle is a Textile Machine Parts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀4–12 mm, lengths 48–106 mm, standard material Steel (also steel, stainless, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request an instant quote with the code you need.
The family is machined from ⌀12 mm bar stock; its longest variant is TEKA-BSP-12 at 106 mm. Besides turning, the family requires thread turning (M8, M12) and knurling. All of it is completed in a single setup, without the part leaving the machine.
The most slender variant is TEKA-BSP-04: 48 mm long at ⌀4 mm, a length-to-diameter ratio of 12.0. This ratio is the very reason sliding-head lathes exist. The guide bushing supports the bar immediately beside the cutting point, so there is no deflection; the same part chatters and drifts in diameter on a conventional lathe.
Variants are machined to h6, 6g tolerance classes; the smallest is TEKA-BSP-04 (⌀4 mm) and the largest TEKA-BSP-12T (⌀12 mm). The family includes threaded, knurled, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
Code & Size Table
Code, dimensions and tolerance for all 10 variants.
| Code | Dia ⌀ | Length | Feature | Tolerance | Std | Unit price |
|---|---|---|---|---|---|---|
| TEKA-BSP-04 | ⌀4 | 48 mm | knurl · 2 steps | h6 | — | 54.04 ₺ |
| TEKA-BSP-05 | ⌀5 | 60 mm | knurl · 2 steps | h6 | — | 62.60 ₺ |
| TEKA-BSP-06 | ⌀6 | 70 mm | knurl · 2 steps | h6 | — | 69.55 ₺ |
| TEKA-BSP-06S | ⌀8 | 63 mm | 2 steps | h6 | stepped shoulder | 62.88 ₺ |
| TEKA-BSP-08 | ⌀8 | 82 mm | knurl · 2 steps | h6 | — | 79.53 ₺ |
| TEKA-BSP-08T | ⌀8 | 77 mm | M8 | 6g | M8 threaded base | 41.51 ₺ |
| TEKA-BSP-10 | ⌀10 | 94 mm | knurl · 2 steps | h6 | — | 90.30 ₺ |
| TEKA-BSP-10S | ⌀12 | 85 mm | 2 steps | h6 | stepped shoulder | 81.65 ₺ |
| TEKA-BSP-12 | ⌀12 | 106 mm | knurl · 2 steps | h6 | — | 102.02 ₺ |
| TEKA-BSP-12T | ⌀12 | 101 mm | M12 | 6g | M12 threaded base | 53.22 ₺ |
Steel · for 100 pcs · estimated unit price, valid 7 days · excl. VAT · Contact us for a firm quote.
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. For custom sizes/tolerances, contact us with the part code.
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