Screw-on rubber feet and threaded rubber bumpers: Essentra SOF / BF series and Ganter GN 352.1 / 352.2 (452) sizes, thread, load

sizes

25 in table

Notes

• Two kinds of rubber feet that fasten with a screw: (1) screw-on feet, a rubber or ABS foot with a clearance hole you drive a screw through (Essentra SOF- and BF- series; sizes as printed by Essentra, millimetres and inches agree on all nine), and (2) Ganter GN 352.1 / 452.1 (threaded stud) and GN 352.2 / 452.2 (tapped insert) rubber mounts, which are used as feet, bumpers, end stops and vibration mounts (zinc-plated steel cover plate for 352, stainless 1.4301 for 452; natural rubber, black, vulcanised to the plate; Shore A 55 ± 5 standard, 40 and 70 on request).
• Essentra: 'screw hole diameter' is the figure Essentra prints in its table and 'inside diameter' (0.315 / 0.343 in) a second column on the rubber feet; the sources read do not define whether the hole is a countersink or the bore, so the table repeats the labels. The base diameters come in two forms on Essentra's pages (the product-attribute and the heading values differ in the third decimal: 0.689 vs 0.69 in for SOF-15140, etc.); the table uses the attribute values. The two pages agree on every height and diameter to 0.01 in; one page lists the rubber feet as neoprene, the other as 'rubber'.
• GN 352.1 / 352.2: the tables are printed in inches for the thread (1/4-20, 5/16-18, 3/8-16) with d1 and h in millimetres (and inch values in brackets); metric-thread versions exist (e.g. GN 352-10-10-M4-E-55 is listed) but were not tabled. The two sheets disagree between each other on which d1 × h × thread combinations exist, so they are shown as separate row groups: stud version 8 rows (25 × 13 to 51 × 41), tapped version 8 rows. 'l' (stud length) and 's' (cover plate thickness) are Ganter's letters; 't' is the tapped depth. Spring rate (lbf/in) is on the sheets and is not repeated here. Rubber-metal mounts of the 351 / 451 series are on their own page.
• Numbers only: the foot profile (dome, stepped base, counterbore) is not published as numbers, so no file is made.

Screw-on rubber feet and threaded rubber bumpers: Essentra SOF / BF… size chart

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Xem scan

File coming

No downloadable true-size file yet: the published figures do not fix the whole shape, and Xem never guesses a number. A measured scan is planned; request it and it moves up.

Plain text: sheet.txt · JSON: /api/geometry?object=screw-on-rubber-feet-and-bumpers

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