TTB
(Order Retainer Ring separately)
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Choose standard countersunk type for flush mounting, or flanged type for installation without countersinking the jig plate.
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BESONDERHEITEN: An economical bushing designed for thin template jig plates from 3/64" to 3/8" thick. Bushings are held in place by a threaded Retainer Ring (order separately). Left-hand thread is self tightening during drilling to prevent the Retainer Ring from loosening. Flush contact of the Retainer Ring against the jig plate ensures perpendicular drill alignment. OD serrations prevent the bushing from rotating during drilling. Choose standard countersunk type for flush mounting, or flanged type for installation without countersinking the jig plate. Threaded Template Bushings can be easily removed to replace or reuse.
STANDARD GRÖßEN: Available in 3/8", 1/2", 5/8", 3/4", and 1" OD sizes. See Dimensions page for part numbers and standard ID drill sizes. The prices shown apply to standard bushings only, with any standard USA or metric ID size within the stated range.| | TTB-24-.1250 | | Bushing with 1/8" ID | | | TTR-24-3 | | Matching Retainer Ring for 1/4" thick template |
STANDARD ID TOLERANCE:| | From #55 to 1/2" | | +.0001/+.0015 |
(ID concentric with OD to within .002" TIR)
INSTALLATION: Drill hole in jig plate to nominal bushing OD (B diameter). Countersink 90° to allow bushing to seat flush to .015" below surface of plate (standard version only, not flanged version). Install and tighten Retainer Ring to secure. To make Retainer Ring installation easier, we offer a handy Socket-Type Installation Tool that fits 1/4" square drives.
WERKSTOFF: Bushing > 1144 Stressproof steel, heat treated to achieve Rc 62-64 ID hardness. Retainer Ring > Aluminum. |
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