Traditional Center-Pull Hoist Rings with Standard U-Bar 23410

Air-Feed-Drill Bushings – Standard (23000 Series). The 23000-series bushings shown here have 1-1/4"-12 mounting threads. This series is available in five OD sizes to fit drill diameters from.2500" to.7188". Preferred sizes can be mounted by any method, including the use of Lock Liners, while other sizes have limited mounting options. 3/4" OD. 13/16" OD. 7/8" OD (Preferred size). 1" OD. 1-1/8" OD (Preferred size). See Technical Information tab for Standard Drill Sizes. Example standard bushings: A-23304-.3750 Adaptor-Tip Assembly, 3/8" ID. 23304-.3750 Shank only, 3/8" ID. 23000 Collar only. Accessories: Lock Liner; PART NO. / SHANK OD / MATCHING ADAPTOR-TIP ASSEMBLY; - / 3/4 / -; - / 13/16 / -; A-16523 / 7/8 / A-23310; - / 1 / -; A-16524 / 1-1/8 / A-23515; Taper-Lok Lock Liner; PART NO. / SHANK OD / MATCHING ADAPTOR-TIP ASSEMBLY; - / 3/4 / -; - / 13/16 / -; TLL-16523 / 7/8 / A-16504; - / 1 / -; TLL-16524 / 1-1/8 / A-16504; Lock Nut; PART NO. / SHANK OD; - / 3/4; - / 13/16; 14445 / 7/8; - / 1; 14446 / 1-1/8; Liner; PART NO. / SHANK OD; 19942 / 3/4; 19943 / 13/16; 19944 / 7/8; 19945 / 1; 19946 / 1-1/8; Lockscrew; PART NO. / SHANK OD; 16532 / 3/4, 13/16, 7/8, 1, 1-1/8; Taper-Lok Air-Feed Lockscr. ID Tolerance: Standard ID Tolerance: From #70 to 1/4" +.0001/+.0004 Over 1/4 to 3/4" +.0001/+.0005 Over 3/4 to 1-1/2" +.0002/+.0006 Reamer ID Tolerance (Special): From #70 to 1/4" +.0005/+.0008 Over 1/4 to 3/4" +.0006/+.0010 Over 3/4 to 1-1/2" +.0008/+.0012 Reamer bushings have a different ID-tolerance range than drill bushings. To special-order bushings with the reamer ID tolerance shown here, add "-REAMER" to the part number: A-23304-.3750-REAMER (Special). Optional Contour Nose: Angular nose on shank is ideal for drilling on sloped or curved surfaces. Available on standard and coolant-type shanks. Add "-C" suffix to part number: A-23304-.3750-C Adaptor-tip assembly with contour nose, 3/8" ID 23304-.3750-C Shank only, with contour nose, 3/8" ID 23000 Collar only (standard, no suffix). Material: Other materials are available by special order; MATERIAL / HEAT TREAT / FINISH / DFARS / RoHS; 1144 Stressproof Steel / heat treated to achieve Rc 62-64 ID hardness / - / ✔ / ✔.