Centering Pin
Centering pin with conical tip locating two plates precisely.
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 9 variants.
| Code | Diameter (mm) | Length (mm) | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| KALB-MRK-03 | 3 | 23 | taper | m6 | — |
| KALB-MRK-04 | 4 | 28 | taper | m6 · ⌀4: +0.012/+0.004 | type DIN 6325 |
| KALB-MRK-05 | 5 | 33 | taper | m6 · ⌀5: +0.012/+0.004 | — |
| KALB-MRK-06 | 6 | 38 | taper | m6 · ⌀6: +0.012/+0.004 | DIN 6325 |
| KALB-MRK-08 | 8 | 45 | taper | m6 · ⌀8: +0.015/+0.006 | — |
| KALB-MRK-10 | 10 | 53 | taper | m6 · ⌀10: +0.015/+0.006 | DIN 6325 |
| KALB-MRK-12 | 12 | 61 | taper | m6 · ⌀12: +0.018/+0.007 | — |
| KALB-MRK-14 | 14 | 68 | taper | m6 · ⌀14: +0.018/+0.007 | — |
| KALB-MRK-16 | 16 | 77 | taper | m6 · ⌀16: +0.018/+0.007 | — |
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
Centering Pin is a Mold & Die Components family precision-turned on a Goodway SW-20, covering 9 variants — diameters ⌀3–16 mm, lengths 23–77 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 ⌀16 mm bar stock; its longest variant is KALB-MRK-16 at 77 mm. Besides turning, the family requires taper turning. All of it is completed in a single setup, without the part leaving the machine.
The most slender variant is KALB-MRK-03: 23 mm long at ⌀3 mm, a length-to-diameter ratio of 7.7. A part this slender needs tailstock support on a conventional lathe. On a sliding-head lathe the guide bushing holds the bar right next to the cutting edge, so the part is machined without a centre.
Variants are machined to m6 tolerance; the smallest is KALB-MRK-03 (⌀3 mm) and the largest KALB-MRK-16 (⌀16 mm). The family includes 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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