Hex Guide Bolt
Plate guide pin with a hex wrench flat head and threaded fixing tail.
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 |
|---|---|---|---|---|---|
| MEMA-AKP-03 | 6.4 | 26 | M3 · SW5.5 | 6g | AF5.5 spanner flats |
| MEMA-AKP-04 | 8.1 | 33 | M4 · SW7 | 6g | AF7 spanner flats |
| MEMA-AKP-05 | 9.2 | 40 | M5 · SW8 | 6g | AF8 spanner flats |
| MEMA-AKP-05K | 9.2 | 43 | M5 · SW8 · taper | 6g | AF8 + tapered pilot |
| MEMA-AKP-06 | 11.5 | 47 | M6 · SW10 | 6g | AF10 spanner flats |
| MEMA-AKP-06K | 11.5 | 51 | M6 · SW10 · taper | 6g | AF10 + tapered pilot |
| MEMA-AKP-06D | 11.5 | 47 | M6 · SW10 · ⌀3 | 6g | AF10, internal bore ⌀3 |
| MEMA-AKP-08 | 15 | 54 | M8 · SW13 | 6g | AF13 spanner flats |
| MEMA-AKP-08D | 15 | 54 | M8 · SW13 · ⌀4 | 6g | AF13, internal bore ⌀4 |
| MEMA-AKP-10 | 19.6 | 63 | M10 · SW17 | 6g | AF17 spanner 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 Guide Bolt is a Membrane Press Spares family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀6.4–19.6 mm, lengths 26–63 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 ⌀20 mm bar stock; its longest variant is MEMA-AKP-10 at 63 mm. Besides turning, the family requires thread turning (6 sizes from M3 to M10), hex flat milling (AF 5.5–17), taper turning and axial drilling (⌀3–4 mm). 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 MEMA-AKP-05K: 43 mm long at ⌀9.2 mm, L/D 4.7. 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 6g tolerance; the smallest is MEMA-AKP-03 (⌀6.4 mm) and the largest MEMA-AKP-10 (⌀19.6 mm). The family includes threaded, hex-drive, tapered, bored, 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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