Liners
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FEATURES: These liner bushings are used to align air-feed adaptor tips. The liner's ID has a precise sliding fit with the shank's OD. The liner accurately locates the shank and protects the jig plate from wear and damage caused by frequent insertion.
SIZES: Available for 21000 through 25000 series air-feed drills. See Dimensions page for part numbers.
STANDARD LINER ID TOLERANCE:| | 3/8" | | | | +.0001/+.0004 | | | 7/16 to 5/8" | | | | +.0002/+.0005 | | | 3/4" | | | | +.0003/+.0006 | | | 13/16 to 1" | | | | +.0004/+.0007 | | | 1-1/8 to 1-3/8" | | | | +.0006/+.0010 | | | 1-1/2 to 1-3/4" | | | | +.0008/+.0012 |
MATERIAL: 1144 Stressproof steel, heat treated to achieve Rc 62-64 ID hardness. |
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