Morse Taper Extended Length

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Product Description. The Morse Taper system was first introduced by the Morse Twist Drill and Machine Company and was based upon a taper-per-foot of 5/8 inch. In actuality, none of the Morse Tapers are exactly .62500 per foot, but rather range from .59858 to .62565 taper-per-foot. Stark Industrial extended length centers are made of bearing quality 52100 steel, heat treated to 60 - 64 Rc, and guaranteed to have .0002 or less total-indicator-runout. Also available are standard carbide tipped centers with 52100 steel shanks hardened to 45 - 50 Rc.

Taper Size OAL Taper Length Diameter Carbide Tip Dia Height Above Center Length of Cut Out

2 5-3/16 2-9/16 .700 3/8 7/32 1-3/8

2 6-3/16 2-9/16 .700 3/8 7/32 1-3/8

2 7-3/16 2-9/16 .700 3/8 7/32 1-3/8

3 6-1/4 3-3/16 .938 1/2 9/32 1-11/16

3 7-1/4 3-3/16 .938 1/2 9/32 1-11/16

3 8-1/4 3-3/16 .938 1/2 9/32 1-11/16

4 7-3/4 4-1/16 1.231 1/2 9/32 2-1/4

4 8-3/4 4-1/16 1.231 1/2 9/32 2-1/4

4 9-3/4 4-1/16 1.231 1/2 9/32 2-1/4

5 9-1/2 5-3/16 1.748 5/8 11/32 2-3/4

5 10-1/2 5-3/16 1.748 5/8 11/32 2-3/4

5 11-1/2 5-3/16 1.748 5/8 11/32 2-3/4

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Morse Taper Extended Length