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MACHINE TOOLS/WORKHOLDING Boring Heads / Accessories / Drill Chucks DBL-202 Boring Head Note the wide base bearing surface that assures max. rigidity even when the bar holder is in an offset position. This wide base design is a Criterion innovation that increases bearing surfaces by 50% over older models.A choice of either 3/8" or 1/2" double hole bar holder with a 1/2" cross hole is available. The unit has a 7/820 threaded back and also features a direct reading dial screw.This head can also be purchased with one of Criterion's standard Cri-bore bodies (at no additional charge) to maximize the body bearing surface when mounting the head on a "V" flange or BT shank. The tool number for this type of head is CB-202A or B. BAR SIZE 3/8" 1/2" OAL 2 13/32" 2 13/32" DIA 2" 2" HOLE 1/2" 1/2" ORDER NO CRI00525200 CRI00521200 PRICE 257.40 257.40 Shanks and Adapters 7/8-20 and 1 1/2-18 Thread Threaded shanks for Boring Heads. SIZE 3/4" Shank 1" Shank 1" Shank R8 R8 THREAD 7/8-20 7/8-20 1 1/2-18 7/8-20 1 1/2-18 ORDER NO CRI00520034 CRI00520061 CRI00520015 CRI00520055 CRI00520063 PRICE 30.25 30.25 43.15 58.55 75.55 Ball Bearing Super Chuck Taper Mounted DBL-203 Boring Head Capable of peeling off heavy roughing cuts as well as a tool of extreme sensitivity. The use of a wide base bar holder, resting securely on the body, eliminates the need for a separate side plate.The direct reading adjusting screw is ground after hardening and a plainly marked dial face in non-reflecting satin chrome allows easy reading and adjustments of 0.001" or less. All Criterion boring heads have threaded backs for use with a variety of shanks. This model takes a 1 1/2-18 threaded shank.The 3" diameter DBL series of heads can also be purchased with a Cri-bore body (at no additional charge). This set-up provides a greater bearing surface between the body and shank. The heads are designated with a "CB" i.e., CB-203D. BAR SIZE 5/8" 3/4" OAL 3 5/32" 3 5/32" DIA 3" 3" HOLE 3/4" 3/4" ORDER NO CRI00526900 CRI00520900 PRICE 365.50 176.25 Designed for close tolerance production drilling on precision equipment. Ball bearing construction maximizes gripping force and drilling accuracy. Jaws center-ground for absolute straightness and alignment. One-piece sleeve eliminates crack between driving teeth often found in other designs. Through - hardened sleeve teeth plus hardened nose and keyholes provide outstanding wear resistance. Fluted sleeve standard. Each chuck 100% inspected for performance and precision. T.I.R. 0.003" maximum at half capacity. MODEL 8 1/2N 11N 14N 16N 18N 20N CAP 0 - 1/4" 0 - 3/8" 0 - 1/2" 1/8" - 5/8" 1/8" - 3/4" 3/8" - 1" MOUNT 2JT 2JT 3JT 3JT 4JT 5JT KEY K30 K32 K3 K4 K4 K5 ORDER NO JAC00030209 JAC00030215 JAC00030221 JAC00030227 JAC00030233 JAC00030239 PRICE 90.12 100.44 140.40 161.16 242.39 326.42 "V" Flange Adapter 7/8-20 and 1 1/2-18 Threads When using our Boring Heads or the CRI-BORE system on a C.N.C. machine that features a "Keylock" - the shanks must be factory fitted to assure proper orientation of the boring system to the cutting tool. THREAD 7/8-20 7/8-20 7/8-20 7/8-20 1 1/2-18 1 1/2-18 TAPER 40 50 40 50 40 50 PROJ 1 3/4" 1 3/4" 1 7/8" 1 7/8" 1 7/8" 1 7/8" ORDER NO CRI00520143 CRI00520151 CRI00520145 CRI00520147 CRI00520148 CRI00520150 PRICE 214.50 220.00 165.00 181.50 181.50 192.50 If you need it in a hurry, ask for Priority Shipping we'll get it to you the next day! 928 PHONE TOLL-FREE FAX 866-795-2424 586-795-2553
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