Original Bosch retaining ring (C‑clip) 2916650001 — a small but critical metal clip that snaps into a shaft groove to hold gears, bearings or other rotating parts securely in place. This genuine Bosch part is listed as a C‑clip for Bosch power tools and is supplied to fit the original factory specifications.

Key specification: this is a DIN 471 style retaining ring sized 10 × 1 mm (for a nominal 10 mm shaft / 1 mm cross‑section thickness), the standard spring‑clip form used across many Bosch drills and small power tools. It installs by compressing slightly and seating into the groove on the shaft.

Fits (examples): used on a range of Bosch drills, sanders and cordless drivers — for example GBM 10 S (type 0601107178), GBM 10 / GBM10RE , and several cordless models such as the 3050VSR (0601921863); it also appears for GSB 1800-2 RE / GSR 12 VES / GSB 12 VSP-2 series tools. - Cross reference with the 10 digit product code from the side of the machine to confirm fit. 

Quick note: keep the groove clean and free of burrs when fitting the clip; a damaged or missing retaining ring is a common cause of loose chucks or shifted internal parts, so replacing it restores proper mechanical retention.

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