Bone Screw Pilot Pin
Self-tapping bone screw pilot pin with cortical thread body and tapered drilling tip.
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 | Diameter (mm) | Length (mm) | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| MEDA-BSP-20 | 3 | 33 | M2 · taper | 6g | cortical thread |
| MEDA-BSP-25 | 3.5 | 40 | M2.5 · taper | 6g | cortical thread |
| MEDA-BSP-30 | 4.5 | 47 | M3 · taper | 6g | cortical thread |
| MEDA-BSP-35 | 5 | 54 | M3.5 · taper | 6g | cortical thread |
| MEDA-BSP-40 | 6 | 61 | M4 · taper | 6g | cortical thread |
| MEDA-BSP-45 | 6.5 | 68 | M4.5 · taper | 6g | cortical thread |
| MEDA-BSP-50 | 7.5 | 75 | M5 · taper | 6g | cortical thread |
| MEDA-BSP-60 | 9 | 88 | M6 · taper | 6g | cortical thread |
| MEDA-BSP-70 | 10.5 | 101 | M7 · taper | 6g | cortical thread |
| MEDA-BSP-80 | 12 | 115 | M8 · taper | 6g | cortical thread |
Prices are for approved members.
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.
Manufacturing Scope
Bone Screw Pilot Pin is a Medical & Dental Parts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀3–12 mm, lengths 33–115 mm, standard material Stainless Steel (also steel, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request a quote with the code you need.
The family is machined from ⌀12 mm bar stock; its longest variant is MEDA-BSP-80 at 115 mm. Besides turning, the family requires thread turning (10 sizes from M2 to M8) and taper turning. All of it is completed in a single setup, without the part leaving the machine.
The most slender variant is MEDA-BSP-25: 40 mm long at ⌀3.5 mm, a length-to-diameter ratio of 11.4. 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 6g tolerance; the smallest is MEDA-BSP-20 (⌀3 mm) and the largest MEDA-BSP-80 (⌀12 mm). The family includes threaded, tapered, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
Need a size that isn't listed? We machine to your drawing — CNC contract machining. How these parts are made: What is a Swiss-type lathe?
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