This is for a 1/2" 60 DEGREE HIGH SPEED STEEL 3 FLUTE COUNTERSINK 3/8" SHANK 2" OAL - NEW - Made in USA (Chicago-Latrobe) Black Finish The three-flute countersink / center reamer is widely used to countersink screw heads and rivet heads, and countersinking holes for lathe centers. The odd number of flutes eliminates chatter in most applications while providing better accuracy than a single flute countersink. The three flute countersink is recommended for portable use and machine work.
Drill bit has very light use, adapter has some wear but in great shape. Overall length of drill bit is 15 inches, 21, inches with adapter. Manufacturer of both are not known.
These are Niagara high speed 6 flute end mills 1" dia x 1 7/8 length of cut with a 5/8 shank. The side on these seem good but the ends range from a bit of wear on the corners to one that has some corners broken. None have been overheated or turned color in any way.
This Listing is for One(1) Lot of 25 Assorted MACHINIST LATHE MILL Lot of Machinist Reamers high speed and Hand Reamers 9/16", 1/2",7/16", 17/32", 7/32", .1645, .1925, .193 Tapered Reamers #10, #8, #3, #2, #1. Some name Brand Like: G
brown & sharpe spiral end mill tapper lathe 5/8" r no. 7 hs brown & sharpe mfg co spiral end mill tapper lathe 9/16" no. 7r hs a2 brown & sharpe spiral end mill tapper lathe 5/8" r no.
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