4-Inch Jointer Knives for Grizzly H3874 jointer planer
4" x 7/8" x 5/64" HSS Jointer Knives, Set of 2
The blades are 4.173" long, 0.862" wide, and 0.072 thick, with three slotted holes.
These Jointer Knives are made from M-2 high speed steel and are hardened to 62–64 Rockwell and tempered in a salt bath.
All sets are balanced to within one gram.
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