Library › Everyday objects › Razor and utility blade sizes: double-edge 43 × 22.2 × 0.1 mm…

Used-blade bank with a 46 × 1.2 mm slot for double-edge blades

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

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From the full sheet

Razor and utility blade sizes: double-edge 43 × 22.2 × 0.1 mm, utility 61 × 19 × 0.65 mm: every size, notes, mating features and sources. What size is a double-edge razor blade?

Other sizes

Double-edge blade envelope 43 × 22.2 × 0.10 mm (centre slot not modelled)
Trapezoid utility blade bounding box 61 × 18.7 × 0.65 mm (ends and notches not modelled)
Used-blade bank with a 64 × 1.4 mm slot for utility blades