Bosch Retaining Ring - 1604601028
Genuine Bosch snap/retaining ring, part number 1604601028 (also shown as 1 604 601 028). This is a round‑wire external snap ring (DIN 7993, form A) sized for the A22 nominal groove — nominal outer diameter ≈ 22 mm, inner diameter ≈ 19.7 mm, wire thickness ≈ 2.0 mm — made from spring steel to lock shafts and components securely in rotary/hammer mechanisms.
Engineered to the original Bosch specification, it’s the exact retaining ring used in a range of Bosch hammer and rotary‑hammer assemblies (examples: GBH 2‑26 / 11255VSR, GBH 2‑28 / GBH‑2‑28 series, GBH 36 V‑LI, GBH 18V‑26 / GBH18V series, PBH 2900 RE and similar models listed in Bosch power tool parts diagrams).- Check your 10 digit version number from off the side of the machine to confirm fit before purchasing.
Small, simple and ready to drop into the groove where the original ring sat — it restores correct axial retention of gears/shafts and prevents slippage or disassembly during use. Supplied as the single genuine Bosch replacement part you need to return the tool to factory fit.
If you need the exact specification for machining or verifying a groove, the DIN 7993 A22 table shows the standard groove/diameter values (outer ≈ 22 mm, bore/shaft ~19.7 mm, cross‑section ~2.0 mm).
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Compatible models this part will fit:
- Bosch Rotary Hammer DD 527
- Bosch Rotary Hammer GBH 2-26 DE
- Bosch Rotary Hammer GBH 2-26 DFR
- Bosch Universal Rotary Hammer GBH 2-26 DBR
- Bosch Rotary Hammer 11253 VSR
- Bosch Rotary Hammer BTI-BH 2-26 MES
- Bosch Rotary Hammer BHD-2/26
- Bosch Rotary Hammer GBH 2-26 E
- Bosch Rotary Hammer GBH 2600
- Bosch Rotary Hammer RH328VC
- Bosch Rotary Hammer 329 C
- Bosch Rotary Hammer DD 526
- Bosch Rotary Hammer RH328 VCQ
- Bosch Rotary Hammer GBH 2400
- Bosch Rotary Hammer GBH 2-26 DRE
- Bosch Rotary Hammer BHD-2/26 EC
- Bosch Rotary Hammer H 26-MLE
- Bosch Rotary Hammer GBH 3-28 DRE
- Bosch Rotary Hammer BTI-BH 2-26 ME
- Bosch Rotary Hammer 11255VSR
- Bosch Rotary Hammer GBH 2-26 RE
- Bosch Rotary Hammer 11255 VSR
- Bosch Rotary Hammer GBH 3-28 DFR
- Bosch Rotary Hammer H 26-MLS
- Bosch Rotary Hammer GBH 36 VF-LI
- Bosch Rotary Hammer 11536VSR
- Bosch Rotary Hammer GBH 36 V-LI
- Bosch Rotary Hammer 11536 VSR
- Bosch Cordless Hammer Drill A-BH 36 V-LI
- Bosch Rotary Hammer H 36-MAS
Showing first 30 compatible models. Contact us for full compatibility info.