# Fibre laser heads: BM110 vs BS03K vs BOCI BLT310 nozzles - Source-Date (SAST): 2026-05-27 22:44; SKUs/box 2026-05-04; Empower 2026-03-25 - Dest: both - Review-after: 2027-08-31 - Status: current ## Facts - Raytools **BM110** (older): M14, D32 mm nozzles. SKUs start **LF-NOZZLE/D** and **LF-NOZZLE/S**. Holder **LF-NOZZLE/HOLDER**. Same lens size as BS03K. - Raytools **BS03K** / **BS03K-CAT** (current new machines): M11, D28 mm nozzles. SKUs start **LF-NOZZLE/HS/D** and **LF-NOZZLE/HS/S**. Holder **LF-NOZZLE/HOLDER/D28**. 28 mm cuts faster and uses less air than 32 mm. - Empower is the company; RayTools is the brand; **BS03K-CAT** is the series. - One machine already in the market uses a **BOCI BLT310** head; it takes the same M11 D28 mm nozzles as BS03K. - **LF-NOZZLE** SKUs are a **box of 10**. New machines ship with the full hole-size set so the client can test; not every size is required for every job.