HC
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FEATURES: Carbide version of our popular H bushing, for high-production applications. Sturdy head to resist heavy axial loads. HC bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole.
STANDARD SIZES: See Dimensions page for part numbers and standard ID drill sizes.| | HC-20-16-.1250 | | Standard bushing, 1/8" ID | | | HC-20-16-.1772 | | Standard bushing,
4.50mm ID (.1772") |
STANDARD ID TOLERANCE:| | 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 |
REAMER ID TOLERANCE: Reamer bushings have a different tolerance range than drill bushings:| | 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 bushings with a reamer tolerance, add "-REAMER" to the part number:| | HC-20-16-.1250-REAMER (Special) |
MATERIAL: Tungsten carbide, grade C2, with a steel head. |
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