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BESONDERHEITEN: Replaceable bush generally used with a liner bush and lockscrew. Use when you expect to replace bushes during the tooling's lifetime, or to switch bushes to perform multi-step operations with the same tooling. SF bushes combine the benefits of older S-type slip-renewable and F-type fixed renewable bushes: one side has a lockscrew recess for fixed mounting; the other has a locking recess that allows the bush to slip down, then rotate to lock in place. S and F types are now obsolete, and combination SF bushes will be supplied at no extra charge.
STANDARD GRÖßEN: See Dimensions page for part numbers and standard ID drill sizes. The prices shown apply to standard bushes only, with any standard USA or metric ID size within the stated range. | | SF-20-16-.1250 | | Standard bush, 1/8" ID | | | SF-20-16-.1772 | | Standard bush,
4.50mm ID (.1772") |
STANDARD-INNENDURCHMESSERTOLERANZ:| | 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 |
REIBAHLE-INNENDURCHMESSERTOLERANZ: 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:| | SF-20-16-.1250-REAMER (Special) |
LANGE BUCHSEN OHNE STANDARD-SENKBOHRUNG: Extremely long bushes with a small ID size (marked * ) are counter-bored according to ANSI standards for proper drill-bearing length to eliminate binding and heat buildup. Add "-NCB" for applications that require these bushes without a counter-bore:| | SF-20-16-.1250-NCB (Special) |
WERKSTOFF: 1144 Stress-proof steel, heat treated to achieve Rc 62-64 ID hardness. Other materials readily available by special order (see Specials). |
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