5/16" X 3" X 25" D2 Corrugated Moulder Knife rc20xp This leaves a thin layer

This leaves a thin layer of chromium-free iron (Fe) which is attacked by aerated water particularly when chlorides are present

Thickness - 5/64"

Fits the following machines: Older Craftsman Jointer

Width: 5/16"

M2-HSS - High Speed Steel: Our true grade M2-HSS (AISI) steel offers 25% longer run times than D2-HCHC grade

5/16" X 3" X 25" D2 Corrugated Moulder Knife rc20xp This leaves a thin layerSteel Grade D2 HCHC Thickness 5 16" Width 3" Length 25" D2 HCHC High Carbon and High Chrome: Our D2 (AISI) knives offer the best value for many moulding producers and planer mills. D2 offers the lowest price per bar because it has a Rockwell C hardness (HRC) of 58. It is easy to grind and resists nicks in knotty soft woods. D2 contains 12% chromium to resist chemical erosion when cutting wet cedar or redwood. Great for softwoods and shorter runs in