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National Stock Number:
5133-00-142-4963
Federal Supply Class:
5133
National Item Identification Number:
001424963
Description:
BIT,FORSTNER
Detail:
A SPURLESS BORING TOOL WITH A CUTTER HEAD HAVING A SCORING RIB ON OPPOSITE SIDES OF ITS PERIPHERY, SEPARATED BY TWO VERTICAL CUTTING EDGES WITH SLOTS FOR CHIP CLEARANCE. THE TOOL IS GUIDED BY ITS CIRCULAR RIM IN LIEU OF A POINTED TIP. THE TOOL MAY HAVE A SHANK FOR USE IN EITHER A BIT BRACE OR A POWERED MECHANISM.
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Manufacturer Information:
| GGG-B-383 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| CUTTING END STYLE | CIRCULAR RIM | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 5.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.5625 INCHES | | NONDEFINITIVE SPEC/STD DATA | G CLASS AND 1 TYPE | | SHANK DIAMETER | 0.500 INCHES NOMINAL | | SHANK STYLE | FLAT ROUND |
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