SP
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CARATTERISTICHE: Similar to a P bush, but with top serrations to prevent rotation in soft materials. SP bushes are recommended in high-torque situations for materials such as magnesium, aluminium, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bush through the jig plate.
MISURE STANDARD: 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. | | SP-20-12-.1250 | | Standard bush, 1/8" ID | | | SP-20-12-.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 |
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:| | SP-20-12-.1250-REAMER (Special) |
MATERIALE: 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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