BOKUM TOOL COMPANY inc

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2 Introduction - Catalog #55 Effective 3/1/2017 Since 1937, okum has manufactured the finest cutting tools in the world. s industries have changed, okum s principals have remained the same; lways meet or exceed our customer s expectations. We manufacture a standard line of oring, Recessing and Threading tools as well as utomatic Recessing heads, special grooving tools, and special boring bars. We also work with OEM partners to provide precise and cost effective solutions allowing the end user to produce superior parts. If our extensive stock of standards does not offer a solution, our experienced team of engineers will work with you to design and manufacture a special in our plant. s of this printing, okum Tool Company is entering its 80th year of manufacturing. We are proud to offer solutions which are more precise and cost effective compared with other machining methods. Whether utilized in the machining of the common products you see daily, or the creation of a unique prototype, it is likely a okum tool was involved. Our cutting tools are available direct or offered through knowledgeable distributors. lease contact us today to assist you. OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

3 ORING TOOS Section age # The okum rincipal Select the correct oring Tool Solid Carbide oring Tools.115 to.600 Min ore Dia oring Tools Shank.063 to.375 Min ore Dia oring Tools Shank.063 to.563 Min ore Dia , -7 oring Tools Shank.063 to.687 Min ore Dia , -9 oring Tools Shank.125 to.812 Min ore Dia , -11 oring Tools Shank.125 to Min ore Dia , -13 oring Tools - 1 Shank.687 to Min ore Dia oring Tools Shank to Min ore Dia oring Tools Shank to Min ore Dia oring Tools - 8mm Shank.063 to.563 Min ore Dia oring Tools 10mm Shank.063 to.563 Min ore Dia oring Tools - 12mm Shank.063 to.563 Min ore Dia oring Tools - eeds and Speeds oring Tools- Trouble Shooting oring Tool sets are available upon request. Typical sets cover a particular Minimum oring range and are offered at a discount. You may also create your own oring Tool Set of 6 seperate tools and receive a 10% discount off the total price. In addition, okum will design and manufacture special oring tools at your request. lease contact us for price and delivery. OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

4 ORING TOOS The okum rinciple okum oring tools cover a minimum bore diameter range from 1 16 to 2, with 19 sizes offered in small fractional increments. Each tool for any given size is the largest cross section that will enter that hole. Effective boring range is from 1 16 to 6 hole. Constant radial and helical relief Our oring tools are made from the highest quality SS, C2(Micrograin) and C7 Carbide Maximum rigidity - roduces round, straight holes ree cutting - minimum deflection Short Stubby tools - minimum overhang Superior finish - May eliminate need for grinding operation owest cost per cutting edge - Offers many regrinds Two Styles of tool offered Style - eavier Cuts, Thru oring, Quality inish Style - est ossible inish, oring/acing/ottoming, light to medium cuts ll offered from stock in a full range of sizes and types okum Cutter type tools offer a wide range of interchangeable shanks dvantages - Radial and elical Relief The drawing below shows a typical boring tool superimposed on a okum boring tool of the same relative size. The areas in red show the greater back up strength of the okum rinciple - which results in longer tool life and superior finish. The radial angle on a okum Tool is the relief on the outside diameter of the cutting head. We believe this angle should be held constant to a tolerance of +/- 3 minutes of one degree. Each okum boring tool is ground within this specification for precise machining throughout its long life. CONVENTION ORING R OKUM S MORE CK-U ND STRENGT EIND TE 30 eavier cuts Thru oring Quality finish ight to Medium cuts oring, facing, bottoming est possible finish -2 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

5 Select the Correct oring Tool Type of Tool or best accuracy and finish, select largest tool that will enter the bore. When possible, select the shortest, stubbiest tool that will accommodate the length of the bore. igh Speed Steel or Carbide? verage inish - Select igh Speed Steel for work with non-heat-treated material etter/est inish - Select Carbide tipped/ead or Solid Carbide. must with heat-treated or exotic materials ORING TOOS CORRECT SEECTION Select largest tool that will enter the previously drilled hole Eliminates Chatter roduces best possible finish Rigidity. Eliminates deflection, produces straight, round holes WRONG SEECTION Tool too small for hole to be bored Will Chatter roduce inferior finish acks rigidity. ossible deflection will cause lack of straightness and roundness OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -3

6 ORING TOOS One-iece Construction SOID CRIDE ORING TOOS D S R ORE DI MX ORE DET OVER ENGT SNK DI TO C WIDT O RDIUS T OINT CTOG NUMER SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC16 ØD CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool The cutting heads are made of Carbide(C2 or C7). The shanks are made from a tough grade of carbide for maximum strength that has 2.8 times the rigidity of heat treated high speed steel of the same dimensions. This construction is of great help in securing that last tenth (.0001) of accuracy when the depth of bore is more than three times its diameter. You can see what a problem it is to bore a 1 8 diameter hole deep. The SC-3 tool is ideal for this job. -4 Replacing cutting heads - When cutting heads are used up after many regrinds, the tools may be returned to okum to have the heads replaced at a fraction of the cost of a new boring tool. OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

7 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED SS ORE DI MX ORE DET OVER ENGT TO C 1 4 SNK DIMETER TOOS Ø CRIDE NECK TOOS NOT VIE USE CT TOOS CRIDE TIED TOOS CN500 25CN CN501 25CN CN50 25CN CN50 25CN CN502 25CN CN503 25CN CN504 25CN CN40 25CN CN40 25CN CN505 25CN505 25CT505 25CT CN506 25CN506 25CT506 25CT CN507 25CN507 25CT507 25CT CN30 25CN30 25CT30 25CT CN30 25CN30 25CT30 25CT CT508 25CT CT509 25CT CT510 25CT CT511 25CT CT512 25CT CT20 25CT CT20 25CT CT513 25CT CT514 25CT CT515 25CT CT516 25CT CT517 25CT CT0 25CT CT0 25CT CT518 25CT CT519 25CT CT520 25CT CT1 25CT CT1 25CT CT526 25CT CT527 25CT CT528 25CT CT15 25CT CT15 25CT15 ORING TOOS CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -5

8 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS SS ORE DI MX ORE DET OVER ENGT 3 8 SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS NOT VIE USE CT TOOS CRIDE TIED TOOS CN500 CN CN501 CN CN50 CN CN50 CN CN502 CN CN503 CN CN504 CN CN40 CN CN40 CN CN505 CN505 CT505 CT CN506 CN506 CT506 CT CN507 CN507 CT507 CT CN30 CN30 CT30 CT CN30 CN30 CT30 CT CT508 CT CT509 CT CT510 CT CT511 CT CT512 CT CT20 CT CT20 CT CT513 CT CT514 CT CT515 CT CT516 CT CT517 CT CT0 CT CT0 CT0 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -6 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

9 ORING TOOS One-iece Construction SS ND CRIDE TIED SS ORE DI MX ORE DET OVER ENGT 3 8 SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS CRIDE TIED TOOS CT518 CT CT519 CT CT520 CT CT1 CT CT1 CT CT526 CT CT527 CT CT528 CT CT15 CT NOT VIE CT15 CT CT521 CT USE CT CT522 CT CT523 CT TOOS CT2 CT CT2 CT CT529 CT CT530 CT CT25 CT CT25 CT CT524 CT CT525 CT CT3 CT CT3 CT3 ORING TOOS CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -7

10 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS 1 2 SNK DIMETER TOOS Ø ØD SS ORE DI MX ORE DET OVER ENGT TO C CRIDE NECK TOOS NOT VIE USE CT TOOS CRIDE TIED TOOS CN500 50CN CN501 50CN CN50 50CN CN50 50CN CN502 50CN CN503 50CN CN504 50CN CN40 50CN CN40 50CN CN505 50CN505 50CT505 50CT CN506 50CN506 50CT506 50CT CN507 50CN507 50CT507 50CT CN30 50CN30 50CT30 50CT CN30 50CN30 50CT30 50CT CT508 50CT CT509 50CT CT510 50CT CT511 50CT CT512 50CT CT20 50CT CT20 50CT CT513 50CT CT514 50CT CT515 50CT CT516 50CT CT517 50CT CT0 50CT CT0 50CT0 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -8 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

11 ORING TOOS One & Two-iece Construction SS, CRIDE TIED SS ORE DI MX ORE DET OVER ENGT 1 2 SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS CRIDE TIED TOOS CT518 50CT CT519 50CT CT520 50CT CT1 50CT CT1 50CT CT526 50CT CT527 50CT CT528 50CT CT15 50CT NOT VIE 50CT15 50CT CT521 50CT USE CT 50CT522 50CT CT523 50CT TOOS 50CT2 50CT CT2 50CT CT529 50CT CT530 50CT CT25 50CT CT25 50CT CT524 50CT CT525 50CT CT3 50CT CT3 50CT3 CN Tipped 1 2 SNK DIMETER TOOS 30 ORING TOOS S SNK ORE DI MX ORE DET OVER ENGT TO C SS SNK S SU SS S4 Ø CRIDE TIED CT4 CT4 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -9

12 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS SS ORE DI MX ORE DET OVER ENGT 5 8 SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS CRIDE TIED TOOS CN30 62CN30 62CT30 62CT CN30 62CN30 62CT30 62CT CT20 62CT CT20 62CT CT0 62CT CT0 62CT CT1 62CT NOT VIE 62CT1 62CT CT15 62CT USE CT CT15 62CT CT2 62CT TOOS CT2 62CT CT25 62CT CT25 62CT CT3 62CT CT3 62CT3 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -10 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

13 ORING TOOS Two-iece Construction SS ND CRIDE TIED 5 8 SNK DIMETER TOOS S SNK Ø ORING TOOS ORE DI MX ORE DET OVER ENGT TO C SS SNK S S SS S SS S5 CRIDE TIED CT4 CT5 CT4 CT5 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -11

14 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS SS ORE DI MX ORE DET OVER ENGT 3 4 SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS CRIDE TIED TOOS CN30 75CN30 75CT30 75CT CN30 75CN30 75CT30 75CT CT20 75CT CT20 75CT CT0 75CT CT0 75CT CT1 75CT NOT VIE 75CT1 75CT CT15 75CT USE CT CT15 75CT CT2 75CT TOOS CT2 75CT CT25 75CT CT25 75CT CT3 75CT CT3 75CT3 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -12 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

15 ORING TOOS Two-iece Construction SS, CRIDE TIED 3 4 SNK DIMETER TOOS S SNK Ø J SNK 30 ORING TOOS SS ORE DI MX ORE DET OVER ENGT TO C S SNK J S JS JD J J S JS JD J SS S JS J J SS S JS JD J JS J J8 CRIDE TIED CT4 CT5 CT6 CT7 CT8 CT4 CT5 CT6 CT7 CT8 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -13

16 ORING TOOS Two-iece Construction SS, CRIDE TIED ORING TOOS S SNK 1 SNK DIMETER TOOS Ø J SNK T SNK 45 o 30 ORE DI MX ORE DET OVER ENGT TO C SS S SNK J T CRIDE TIED JS J4 CT4 CT T JS J5 CT5 CT T JS J6 CT6 CT T JS J7 CT7 CT J JS J J8 CT8 CT J JS J J9 CT9 CT J SS S JS J10 CT10 CT J J J11 CT11 CT J12 CT12 CT12 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -14 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

17 ORING TOOS Two-iece Construction SS, CRIDE NECK, CRIDE TIED SNK DIMETER TOOS S SNK Ø T SNK 45 o 30 ORING TOOS ORE DI MX ORE DET OVER ENGT TO C SS S SNK T CRIDE TIED T7 CT7 CT T8 CT8 CT T9 CT9 CT SS S11 CT11 CT11 CN Tipped SNK DIMETER TOOS S SNK T SNK 30 Ø o ORE DI MX ORE DET OVER ENGT TO C SS S SNK T CRIDE TIED T10 CT10 CT T11 CT11 CT SS S12 CT12 CT T12 ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -15

18 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS SS ORE DI MX ORE DET OVER ENGT 8mm SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS NOT VIE USE CT TOOS CRIDE TIED TOOS M50 8M50 8MCN50 8MCN M50 8M50 8MCN50 8MCN M40 8M40 8MCN40 8MCN M40 8M40 8MCN40 8MCN M30 8M30 8MCN30 8MCN30 8MCT30 8MCT M30 8M30 8MCN30 8MCN30 8MCT30 8MCT M20 8M20 8MCT20 8MCT M20 8M20 8MCT20 8MCT M0 8M0 8MCT0 8MCT M0 8M0 8MCT0 8MCT M1 8M1 8MCT1 8MCT M1 8M1 8MCT1 8MCT M15 8M15 8MCT15 8MCT M15 8M15 8MCT15 8MCT M2 8M2 8MCT2 8MCT M2 8M2 8MCT2 8MCT M25 8M25 8MCT25 8MCT M25 8M25 8MCT25 8MCT M3 8M3 8MCT3 8MCT M3 8M3 8MCT3 8MCT3 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -16 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

19 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED SS ORE DI MX ORE DET OVER ENGT 10mm SNK DIMETER TOOS TO C CRIDE NECK TOOS Ø NOT VIE USE CT TOOS CRIDE TIED TOOS M50 10M50 10MCN50 10MCN M50 10M50 10MCN50 10MCN M40 10M40 10MCN40 10MCN M40 10M40 10MCN40 10MCN M30 10M30 10MCN30 10MCN30 10MCT30 10MCT M30 10M30 10MCN30 10MCN30 10MCT30 10MCT M20 10M20 10MCT20 10MCT M20 10M20 10MCT20 10MCT M0 10M0 10MCT0 10MCT M0 10M0 10MCT0 10MCT M1 10M1 10MCT1 10MCT M1 10M1 10MCT1 10MCT M15 10M15 10MCT15 10MCT M15 10M15 10MCT15 10MCT M2 10M2 10MCT2 10MCT M2 10M2 10MCT2 10MCT M25 10M25 10MCT25 10MCT M25 10M25 10MCT25 10MCT M3 10M3 10MCT3 10MCT M3 10M3 10MCT3 10MCT3 ORING TOOS CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -17

20 ORING TOOS One-iece Construction SS, CRIDE NECK, CRIDE TIED ORING TOOS SS ORE DI MX ORE DET OVER ENGT 12mm SNK DIMETER TOOS Ø TO C CRIDE NECK TOOS NOT VIE USE CT TOOS CRIDE TIED TOOS M50 12M50 12MCN50 12MCN M50 12M50 12MCN50 12MCN M40 12M40 12MCN40 12MCN M40 12M40 12MCN40 12MCN M30 12M30 12MCN30 12MCN30 12MCT30 12MCT M30 12M30 12MCN30 12MCN30 12MCT30 12MCT M20 12M20 12MCT20 12MCT M20 12M20 12MCT20 12MCT M0 12M0 12MCT0 12MCT M0 12M0 12MCT0 12MCT M1 12M1 12MCT1 12MCT M1 12M1 12MCT1 12MCT M15 12M15 12MCT15 12MCT M15 12M15 12MCT15 12MCT M2 12M2 12MCT2 12MCT M2 12M2 12MCT2 12MCT M25 12M25 12MCT25 12MCT M25 12M25 12MCT25 12MCT M3 12M3 12MCT3 12MCT M3 12M3 12MCT3 12MCT3 CN Tipped ossible Modifications of okum Standard oring Tools The dimension may be shortened The dimension may be lengthened The dimension may be reduced 10% maximum ny radius may be furnished on point of tool -18 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

21 ORING TOOS - eeds and Speeds SS, CRIDE NECK, CRIDE TIED Material eing Machined okum SS oring Tools Cutting Speeds Surface eet er Min (SM) Surface Meters er Min (SMM) CST IRON RSS UUM MID STEE RDENED STEE Not Recomended Not Recomended okum Carbide Tipped oring Tools Cutting Speeds Material eing Machined Surface eet er Min (SM) Surface Meters er Min (SMM) CST IRON RSS UUM MID STEE RDENED STEE ORING TOOS STINESS STEE STINESS STEE EEDS OR ROUG ORING: EEDS OR INIS ORING: er Revolution er Revolution OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -19

22 ORING TOOS - Trouble Shooting ints SS, CRIDE NECK, CRIDE TIED ORING TOOS Over the years we have found that the okum regrinding fixtures normally will solve 90 percent of any problems a customer has to maintaining size, will help produce a better finish and make a tool last longer. The trouble shooting tips below are based on the assumption that the oring Tool has been properly resharpend. ROEM: OSSIE CUSES: inish on part shows chatter marks. Not cceptable. 1. Cutting tool head too small for hole. 2. ength of tool excessively long. 3. oose Spindle, part is not chucked securely. 4. Vibration through external source, i.e. a punch press operating nearby. 5. Insufficient surface footage. 6. eed too coarse. ROEM: OSSIE CUSES: igh Speed Steel burning up. 1. Material being cut is too hard, over 28 Rockwell C. 2. Surface footage beyond recommendation. ROEM: OSSIE CUSES: Carbide tip is chipping at cutting point. 1. Surface footage is too slow. 2. Chip being removed by tool is entangling around carbide head and is rechipping tool. 3. Too hard a grade of carbide is being used for application. 4. oor material quality or impurities may cause interrupted type cut. 5. External vibration from other machines or from the machine itself. 6. Machine has stopped while tool is still engaged in cut. -20 OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O.

23 ORING TOOS ORING TOOS - Notes OKUM TOO COMNY inc TRDE MRK REG. U.S. T. O. -21