Nurlock Telescoping Bushing Tips A51129B

Nurlock drill bushings are designed for permanent installation in jigs, fixtures, and tooling, particularly in plastic tooling applications. The diamond knurled exterior provides superior holding strength and helps resist both rotational and axial movement after installation. Manufactured in-house, our bushings are available in custom inside diameters, outside diameters, groove configurations, and lengths to meet application requirements. Nurlock - N ID Range: #55 to 1-1/32" (0.0520"–1.0312") OD Range: 13/64" to 1-3/8" (0.2180"–1.3850") Length Range: 1/4"to 3" Grooves per Length: 1/4" to 1/2" (1 Groove), 3/4" to 1-1/2" (2 Grooves), 1-3/4" to 3" (3 Grooves) Available in ANSI standard sizing To place a custom order, please complete our order form or contact us directly to discuss your dimensional requirements. ì The 51000 thru 55000 Telescopic Nurlock Series is designed í This series has closer tolerances. The one piece collar and shank construction provides superior support and preci- î Fewer lengths are required thus inventory reduced. 1/8" extension beyond charted 'C' maximum length. ð Closer I.D. tolerances are available on request. ñ Shank ends are precision ground square to O.D. and I.D. ò Used for extremely close tolerance holes, using coolant air fluid ó Specify UNITED's vacuum nosepieces, air-fluid chucks and reducers to insure your finished hole tolerances. ô Designed to fit any conventional nosepiece for positive feed mo- tors, Quackenbush, Zephyr, Aro, Gardner- Denver, Dotco, õ Portable high speed drilling at its very best! ORDERING INFORMATION: Specify the Part No. required. Include Part Description and Drill Size (4 place decimal). For Collar Only, omit prefix 'A' and add 'C.' For Insert Only, omit prefix 'A' and add suffix 'I' plus 4 place decimal For Spring Only, add suffix 'S.' Example: UDB-52731-S