Description
Hock irons have long been prized for their excellent hardness, rigidity and edge retention. These replacement blades for bench planes are made from ultra fine-grained high carbon tool steel, which takes a sharper edge than alloys like chrome-vanadium steel or HSS.
Blade Steel
High Carbon irons are O-1 Tool Steel fully hardened and tempered to Rc62 on the Rockwell scale, much harder than ordinary tools but not the least bit brittle or delicate.
For the ultimate in durability, Hock’s
Cryogenically Treated A-2 Tool Steel irons are significantly tougher and more wear resistant than even their own high carbon blades. “Cryo” irons, conditioned at -320°F, will hold an edge longer than any other blades you have used. They’re a little harder to sharpen, of course, but the results are simply amazing.
Fit – Please Read Carefully!
These irons are patterned as replacements for most of the Record, Stanley, and Bailey bench planes (and their clones) made over the past 50+ years. To offer more chatter free cutting, Hock irons are 3/32″ thick, (slightly thicker than the original irons). You may have to file open the throat on the sole of your plane to have adequate chip clearance. Some original chip breaker screws can be too short with the thicker Hock iron. Hock offers upgraded chip breakers as well, if you cannot use your original chipbreaker with a Hock iron. Hock’s chip breaker screw only fits Hock chip breakers.
Blade Width – Generally Stanley Bailey, Stanley Bedrock, and other manufacturers’ planes based on these designs use blades in these widths.
- 1-3/4″ inch – No. 3 planes
- 2″ inch – No. 4 & 5 planes
- 2-3/8″ inch – No. 4-1/2, 5-1/2, 6 & 7 planes
- 2-5/8″ – No. 8 planes
These irons DO NOT fit modern Stanley Sweetheart Planes, which were introduced in 2009.
Additional Information
Read more about how Hock blades can improve the cutting ability of your hand planes.
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