Dating stanley plane blades

Hopefully by answering a few questions about your plane you can determine which type it is.

The flowchart starts by asking questions about the cast iron bed of your plane.

All are 7" long and will fit 99.9% of Stanley and Record style planes with no modifications other than a simple frog adjustment.

1 3/4" (fits #3-Style Planes) #BP175 .00 Buy Now 2" (fits #4 & #5-Style Planes) #BP200 .00 Buy Now 2 1/8" (fits some older types) #BP212 .00 Buy Now 2 1/4" (fits pre-1939 #5½) #BP225 .00 Buy Now 2 3/8" (fits #4½, #5½, #6, #7) #BP238 .00 Buy Now 2 5/8" (fits #8-Style Planes) #BP262 .00 Buy Now 1 3/4" wide (fits #3) #BPA175 .00 Buy Now 2" (fits #4 & 5) #BPA200 .00 Buy Now 2 1/4" (fits some older types) #BPA225 .00 Buy Now 2 3/8" (fits#4½, 5½, 6 & 7) #BPA238 .00 Buy Now 2 5/8" (fits#8) #BPA262 .00 Buy Now (Please note that these blades Cap Irons (Chip Breakers, Back Irons, etc.) for Traditional Stanley Planes.

dating stanley plane blades-74dating stanley plane blades-40

The information in this Web page is derived from a type study done by Roger Smith, in his book "Patented Transitional & Metallic Planes in America." Patrick Leach reformatted the type study and added comments based on his experience with Stanley planes.To maximize your plane's performance, a thicker chip breaker (cap iron) can stabilize the blade's cutting edge reducing vibration and chatter.Set your breaker to the cutting edge to best prevent tear-out. HOCK Chip Breakers are 3mm thick (.118"), almost twice as thick as a stock chip breaker. NOTE: This type discussion, along with the foregoing material, is based on personal examination of numerous Bed Rock specimens since 1973. Frog & bed machined & mated 100%; inclined frog seat. Keen Kutter Bed Rocks had plain lever caps and Winchester Bed Rocks had Winchester marked lever caps.