Hex-Drive Centering Pin
Centering pin with a wrench-driven hex grip section and a chamfered locating body.
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 |
|---|---|---|---|---|---|
| TESA-HXP-04 | 8.1 | 20 | SW7 | h8 · ⌀4: 0/−0.018 | AF7 hex flats |
| TESA-HXP-05 | 9.2 | 23 | SW8 | h8 · ⌀5: 0/−0.018 | AF8 hex flats |
| TESA-HXP-06 | 11.5 | 28 | SW10 | h8 · ⌀6: 0/−0.018 | AF10 hex flats |
| TESA-HXP-07 | 11.5 | 31 | SW10 | h8 · ⌀7: 0/−0.022 | AF10 hex flats |
| TESA-HXP-08 | 15 | 36 | SW13 | h8 · ⌀8: 0/−0.022 | AF13 hex flats |
| TESA-HXP-10 | 15 | 41 | SW13 | h8 · ⌀10: 0/−0.022 | AF13 hex flats |
| TESA-HXP-11 | 19.6 | 44 | SW17 | h8 · ⌀11: 0/−0.027 | SW17 hex flats |
| TESA-HXP-12 | 19.6 | 46 | SW17 | h8 · ⌀12: 0/−0.027 | SW17 hex flats |
| TESA-HXP-14 | 19.6 | 54 | SW17 | h8 · ⌀14: 0/−0.027 | SW17 hex flats |
| TESA-HXP-16 | 19.6 | 62 | SW17 | h8 · ⌀16: 0/−0.027 | SW17 hex flats |
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
Hex-Drive Centering Pin is a Fixing & Locating family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀8.1–19.6 mm, lengths 20–62 mm, standard material Brass (also steel, stainless steel 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 ⌀20 mm bar stock; its longest variant is TESA-HXP-16 at 62 mm. Besides turning, the family requires hex flat milling (AF 7–17). All of it is completed in a single setup, without the part leaving the machine.
The variant with the highest length-to-diameter ratio is TESA-HXP-16: 62 mm long at ⌀19.6 mm, L/D 3.2. This ratio is achievable on a conventional lathe as well; the sliding-head advantage in series work is that the part never leaves the machine, so the size does not drift from variant to variant.
Variants are machined to h8 tolerance; the smallest is TESA-HXP-04 (⌀8.1 mm) and the largest TESA-HXP-16 (⌀19.6 mm). The family includes hex-drive, 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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