How to Match a Stainless Cap with Brass Plates for Your Razor
By Karve Shaving Co. | Engineered & Machined Safety Razors Made in Canada | Published: 2026-10-20
Category: How-to Guides
Learn how to pair a stainless steel razor cap with brass base plates for a custom shave. Step-by-step guide covering compatibility, assembly, and trade-offs.
Quick Answer
Yes, you can mix a stainless steel cap with brass plates on Christopher Bradley razors because both use the same #10-32 thread and head geometry. This guide walks you through selecting levels, assembling, and avoiding common issues.
Why Mix Metals?
Combining a stainless steel cap with brass plates lets you tune weight, balance, and corrosion resistance. The stainless cap (like the CB Original Cap) is lighter and more corrosion-resistant than brass, while brass plates add heft and a warmer feel. The trade-off: brass develops a natural patina over time, which some users prefer, but it requires more care than stainless.
Choosing the Right Plate Level
The Christopher Bradley system uses levels from AA (least aggressive) to G (most aggressive). A stainless cap paired with a milder brass plate (e.g., AA–C) gives a balanced, forgiving shave. For more efficiency, pair it with a D–G plate, but expect a steeper learning curve. The plate material doesn't change the aggression—only the level does.
Step-by-Step Assembly Guide
- 1. Select Your Brass Plate Level: Choose a brass plate (SB or OC) with a level that matches your desired aggression. If you're new to the system, start with level B or C. The level is engraved on the underside and visible when the razor is assembled. Common mistake: Choosing too aggressive a level (E–G) with a stainless cap can make the razor feel very efficient; test with a mild blade first.
- 2. Align the Cap and Plate: Place the stainless cap on top of the brass plate so the alignment pins on the cap fit into the corresponding holes on the plate. The blade tabs should be exposed if using the Original Cap. Checkpoint: Ensure the cap and plate are oriented the same way—both with the brand logo facing the same direction—to avoid blade misalignment.
- 3. Insert the Blade and Tighten: Place a standard double-edge blade between the cap and plate, aligning the blade's center slot with the cap's post. Screw the handle (with #10-32 thread) into the cap until snug. Do not overtighten—finger-tight is sufficient. Common mistake: Overtightening can warp the blade or strip the brass threads; tighten just until resistance increases.
Products Mentioned
- CB Original Cap - Stainless: The CB Original Cap is made from solid stainless steel, bead-blasted for a matte finish, and uses a #10-32 thread. It leaves blade tabs exposed. This cap fits any Christopher Bradley brass plate because the thread and head geometry are identical across the system.
CB Original Cap - Stainless - CB Plate OC - Brass: The CB Plate OC (open comb) in brass is available in levels AA through G, with the level engraved on the underside. Open comb plates allow more lather flow and are often preferred by those with thicker beards; the brass adds weight for a more substantial feel.
CB Plate OC - Brass
