Heel Pad Clamp Assemblies, 5/16-18 — 13312

Air-Feed-Drill Bushings – Coolant Type (23000 Series). For coolant-inducing air-feed drills, we offer these special shanks, collars, and reducers with internal coolant passages. The coolant-type 23000-series bushings shown here (numbered as 13000 series for coolant type) 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). All coolant-type bushings are manufactured to order. To order a specific bushing, select the basic part number below and add the desired ID drill size (as a 4-place decimal inch). See Technical Information tab for Standard Drill Sizes. Example part numbers: A-13304-.3750 Adaptor-tip assembly, coolant type, 3/8" ID. 13304-.3750 Shank only, coolant type 3/8" ID. 13000 Collar only, coolant type. 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-13304-.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-13304-.3750-C Adaptor-tip assembly with contour nose, 3/8" ID 13304-.3750-C Shank only, with contour nose, 3/8" ID 13000 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 / - / ✔ / ✔.