# Cam levers GN 927 (eccentric clamping levers): lever length 44 to 101 mm, thread M4 to M10, cam stroke, plate and setting-nut dimensions

> What are the dimensions of a GN 927 eccentric cam clamping lever: lever length, thread, cam stroke, contact plate and setting nut?

- Category: Hardware › Knobs, handles & feet
- Kind: Standard part
- Basis: Elesa-Ganter's GN 927 sheet (mm) cross-checked against JW Winco's GN 927 tapped-type table (inches): equal on every row to inch rounding
- Page: https://xemstudio.com/objects/cam-levers-gn-927/ · JSON: https://xemstudio.com/api/geometry?object=cam-levers-gn-927 · Plain text: https://xemstudio.com/objects/cam-levers-gn-927/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
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**Exact dimensions.** Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part.

## Notes

- GN 927 clamping levers with eccentric cam: a lever with a cam that presses a contact plate against the work as it is swung through 90°. Four lever sizes (l1 44, 63, 82, 101 mm); internal-thread forms take M4 to M10 or 8-32 to 3/8-16 and stud forms carry a stud d2 × l2. Type A has a contact plate with a setting nut to adjust the clamping force (l4 = adjusting range), type B has no setting nut (d5 in place of d4). The lever is zinc die-cast (GN 927) or steel (927.2) and stainless (927.5 / 927.7) in the same series, with the cam stroke h and the plate in steel or plastic (POM in A, PA in B). Elesa quotes clamping forces up to 8 kN for the largest size.
- Values: millimetres from Elesa's GN 927 sheet; JW Winco's GN 927 (tapped type, printed in inches) agrees with every one of these to inch rounding (e.g. 101 mm size: 3.98 in, b .98, d3 1.02, d4 1.18, d5 1.06, h .06, l3 1.00, l4 .16, l5 .19, t .59). Letters are the manufacturers'; b, d3 and l5 are printed without definition. Elesa gives l3 as a range for type A (13.2 to 15.2 for the 44 mm size: the setting-nut adjustment) and uses l6 for type B (15.2 / 16.3 / 19.5 / 25.3); the table shows the lower type-A figure only. JW Winco's type B table repeats the type A l3, so type B's l3 is dropped here.
- Stud lengths l2 (stud versions): 12 to 40 (44 mm lever), 16 to 50 (63 mm), 20 to 60 (82 and 101 mm), as read from Elesa's summary sheet; the full list of stock lengths was not read.
- Numbers only: the lever and cam outlines are not published as coordinates. Mounting: a tapped hole, or a through hole and the internal thread of the clamping element; the contact plate pushes on the work.

## Mating features (exact size; open press / slide / run / socket by your process clearance, leave designed and clamp as drawn)

| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| thread d1 (internal) or stud d2 | M4 to M10 / #8-32 to 3/8-16 | a threaded stud or tapped hole of the same thread, usable thread length t | designed | all |

## Sizes

| lever length l1, mm | thread d1 (internal): metric; inch | b, mm | d3, mm | d4 (type A, with setting nut), mm | d5 (type B), mm | stroke h at 90° lever movement, mm | l3 (type A, clamped), mm | l4 setting range (A), mm | l5, mm | usable thread length t, mm | stud version: stud length l2 range, mm |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 44 | M4, M5; #8-32, #10-32 | 12 | 12 | 15 | 14 | 0.5 | 13.2 | 2 | 2.2 | 8 | 12 to 40 |
| 63 | M5, M6; #10-32, 1/4-20 | 16 | 16 | 19 | 18.5 | 0.75 | 16.3 | 2.5 | 3 | 10 | 16 to 50 |
| 82 | M6, M8; 1/4-20, 5/16-18 | 20 | 20 | 25 | 22.5 | 1 | 19.5 | 3 | 3.7 | 12 | 20 to 60 |
| 101 | M8, M10; 5/16-18, 3/8-16 | 25 | 26 | 30 | 27 | 1.5 | 25.3 | 4 | 4.8 | 15 | 20 to 60 |

## Where the files are

- Elesa-Ganter: [GN 927 clamping levers with eccentric cam (mm): l1 44 / 63 / 82 / 101, threads, b, d3, d4, d5, h, l3, l4, l5, t](https://www.elesa.com/siteassets/PDF/PDF_US/GN 927.pdf) — web — Publisher's page; dimensions are facts
- JW Winco: [GN 927 zinc die-cast clamping levers with eccentric cam, tapped type (inch): l1, thread, b, d3, d4 / d5, h, l3, l4, l5, t](https://www.jwwinco.mx/en-us/products/2.3-Tensioning-with-eccentric-cams-and-wedge-clamps/Clamping-levers-with-eccentrical-cam/GN-927-Zinc-Die-Cast-Clamping-Levers-with-Eccentrical-Cam-Tapped-Type-with-Steel-Components) — web — Publisher's page; dimensions are facts

## Questions

**What sizes does GN 927 come in?**

Four lever lengths: 44, 63, 82 and 101 mm, with threads M4/M5, M5/M6, M6/M8 and M8/M10.

**What is the cam stroke of a GN 927 lever?**

Stroke h at 90° lever movement: 0.5 mm (44 mm lever), 0.75 (63), 1.0 (82) and 1.5 mm (101).

**What does the setting nut do?**

Type A has a setting nut on the contact plate that adjusts the clamping force; type B has none.

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