CB-2
For Excellon and Waco
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FEATURES: These bushings are designed to accommodate the larger shank diameter of a circuit-board drill. Standard drill bearing length is 1-1/2 times drill diameter on all sizes. CB-2 type bushings are specially designed for Excellon and Waco circuit-board drilling machines.
STANDARD 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. | | CB-2-.1250 | | Bushing for 1/8" drill |
STANDARD ID TOLERANCE:| | From #80 to 1/4" | | | | +.0001/+.0004 (steel)
+.0003/+.0006 (carbide) |
(ID concentric with OD to within .0005" TIR)
MATERIAL: Bushing > 1144 Stressproof steel, heat treated to achieve Rc 62-64 ID hardness. DFARS and RoHS compliant. |
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