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BOCCOLE ATTILLATE CON TESTA
CARBURE
(POLLICE)

 


HC




 
CARATTERISTICHE: Carbide version of our popular H bush, for high-production applications. Sturdy head to resist heavy axial loads. HC bushes are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushes during the tooling's lifetime. The head can be left exposed, or recessed by counter-boring the installation hole.

MISURE STANDARD: See Technical Information for standard drill sizes and their decimal equivalents.
 HC-20-16-.1250   Standard bush, 1/8" ID
 HC-20-16-.1772   Standard bush,
4.50mm ID (.1772")

TOLLERANZA DI DIAMETRO INTERNO STANDARD:
 From #80 to 1/4"     +.0001/+.0004
 Over 1/4 to 3/4"     +.0001/+.0005
 Over 3/4 to 1-1/2"     +.0002/+.0006
 Over 1-1/2 to 2-3/4"     +.0003/+.0007

TOLLERANZA DI DIAMETRO INTERNO PER ALESATORE: Reamer bushes have a different tolerance range than drill bushes:
 From #80 to 1/4"     +.0005/+.0008
 Over 1/4 to 3/4"     +.0006/+.0010
 Over 3/4 to 1-1/2"     +.0008/+.0012
To order bushes with a reamer tolerance, add "-REAMER" to the part number:
 HC-20-16-.1250-REAMER (Special)

MATERIALE: Tungsten carbide, grade C2, with a steel head.
Carr Lane Manufacturing Co.
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