I am selling these from my brother-in-laws estate who was a machinist for NASA on the space shuttle program. These were stored in a bucket in a storage barn so some do have a little surface rust but they will clean up and they look to be in good condition.
- Set of 29 jobber length drill bits includes inch sizes 1/16" through 1/2" in 1/64" increments- Cobalt steel provides extended tool life compared to high- speed steel drill bits when drilling hard materials- Titanium nitride (TiN) coating offers high har - 9246B0025QI1D0
MADE IN USA GREENFIELD IND. CHICAGO LATROBE 13/32" HIGH SPEED STEEL MT1 DRILL Series/List 110 Drill Bit Size (Decimal Inch) 0.4062 Drill Bit Size (Inch) 13/32 Shank Taper Designation 1MT Drill Bit Material &nb
NEW GREENFIELD USA CHICAGO LATROBE MORSE TAPER 1/4" STYLE 110 MT1 DRILL BITS MADE IN USA Series/List 110 Drill Bit Size (Letter) E Drill Bit Size (Decimal Inch) 0.2500 Drill Bit Size (Inch) 1/4 Shank Taper Designation
(crsnt) New Old Stock! Number "19" (.386") Jobbers Length Cobalt Parabolic Drill Bits. Specifications include: Part Number 49720, oxide finish, style 120, 4" flute length, 6 3/8" overall length, and 118 degree drill point angle.
New From Old Stock. 11/64" Chicago Latrobe Jobbers Length Drill Bits. Specifications include: .1719" decimal equivelant, 2 1/8" flute length, 3 1/4" overall length, and 118 degree drill point angle.
New Old Stock. Chicago Latrobe Letter "A" (.234") Jobbers Length Drill Bits. Specifications include: Series 150, 2 5/8" flute length, 3 7/8" overall length, black oxide finish, and 118 degree drill point angle.
New Old Stock. 9/32" Chicago Latrobe Jobbers Length Drill Bits. Specifications include: 2 15/16" flute length, 4 1/4" overall length, black oxide finish, and 118 degree drill point angle.
New Old Stock. Chicago Latrobe Letter "F" (.257") Taper Length Drill Bits. Specifications include: Part Number 50406, 3 7/8" flute length, 6 1/4" overall length, Series 120, and 118 degree drill point angle.
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