These are 11/64" I.D. X 3/8" c'bore O.D. 82^ countersinks. Model #W0803 part# 0171-037-082 High Speed (HSS) countersinks. Manufactured in the USA by Vernon Devices inc.Similar to a fuller countersink Part # C8 0r # H8S in this case for HSS. These are not your typical carbon steel countersinks...These are production quality High Speed Steel tools with a ground radial relief cutting edge, far superior to the average hardware store bought countersink.Mounts on a standard or taper drill bit. Easily convert your drill into a combined drill and countersink. Additional Drill Cham Bits and Vernon products are available at http:// (this posting is the responsibility of the poster) |
a.gonzales@dfwind.com (April Gonzales)
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