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Chip-Breaker Bushings (CH)

Drill-Jig Bushings

CH bushings with a standard ID drill size can be ordered online. To order a specific standard bushing, select the basic part number below and add the desired ID size (as a 4-place decimal inch) on the Price & Availability screen. Example: CH-20-12-.0625 (CH-20-12 with .0625" ID)

5/16" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-20-12 .0625-.0934* 1/16-5/64, #52-#43, 1.60-2.35mm 5/16 3/4 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
CH-20-16 .0625-.0934* 1/16-5/64, #52-#43, 1.60-2.35mm 5/16 1 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
CH-20-22 .0625-.0934* 1/16-5/64, #52-#43, 1.60-2.35mm 5/16 1-3/8 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
CH-20-12 .0935-.1935* 3/32-3/16, #42-#10, 2.40-4.90mm 5/16 3/4 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
CH-20-16 .0935-.1935* 3/32-3/16, #42-#10, 2.40-4.90mm 5/16 1 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
CH-20-22 .0935-.1935* 3/32-3/16, #42-#10, 2.40-4.90mm 5/16 1-3/8 35/64 1/4 1/8 11/64 65° 5/8 5/8 1/2 LS-1
RC-01
RK-01
RK-11
1/2" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-32-12 .1405-.3438* 9/64-11/32, #28-R, 3.60-8.70mm 1/2 3/4 51/64 1/4 1/8 19/64 65° 3/4 7/8 5/8 LS-1
RC-01
RK-01
RK-11
CH-32-16 .1405-.3438* 9/64-11/32, #28-R, 3.60-8.70mm 1/2 1 51/64 1/4 1/8 19/64 65° 3/4 7/8 5/8 LS-1
RC-01
RK-01
RK-11
CH-32-22 .1405-.3438* 9/64-11/32, #28-R, 3.60-8.70mm 1/2 1-3/8 51/64 1/4 1/8 19/64 65° 3/4 7/8 5/8 LS-1
RC-01
RK-01
RK-11
CH-32-28 .1405-.3438* 9/64-11/32, #28-R, 3.60-8.70mm 1/2 1-3/4 51/64 1/4 1/8 19/64 65° 3/4 7/8 5/8 LS-1
RC-01
RK-01
RK-11
CH-32-34 .1405-.3438* 9/64-11/32, #28-R, 3.60-8.70mm 1/2 2-1/8 51/64 1/4 1/8 19/64 65° 3/4 7/8 5/8 LS-1
RC-01
RK-01
RK-11
3/4" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-48-16 .2812-.5625 9/32-9/16, L-Z, 7.20-14.00mm 3/4 1 1-3/64 1/4 1/8 27/64 50° 7/8 1-1/8 3/4 LS-1
RC-01
RK-01
RK-11
CH-48-22 .2812-.5625 9/32-9/16, L-Z, 7.20-14.00mm 3/4 1-3/8 1-3/64 1/4 1/8 27/64 50° 7/8 1-1/8 3/4 LS-1
RC-01
RK-01
RK-11
CH-48-28 .2812-.5625 9/32-9/16, L-Z, 7.20-14.00mm 3/4 1-3/4 1-3/64 1/4 1/8 27/64 50° 7/8 1-1/8 3/4 LS-1
RC-01
RK-01
RK-11
CH-48-34 .2812-.5625 9/32-9/16, L-Z, 7.20-14.00mm 3/4 2-1/8 1-3/64 1/4 1/8 27/64 50° 7/8 1-1/8 3/4 LS-1
RC-01
RK-01
RK-11
CH-48-40 .2812-.5625* 9/32-9/16, L-Z, 7.20-14.00mm 3/4 2-1/2 1-3/64 1/4 1/8 27/64 50° 7/8 1-1/8 3/4 LS-1
RC-01
RK-01
RK-11
1" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-64-16 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 1 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
CH-64-22 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 1-3/8 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
CH-64-28 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 1-3/4 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
CH-64-34 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 2-1/8 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
CH-64-40 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 2-1/2 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
CH-64-48 .4688-.7812 15/32-25/32, 11.50-19.50mm 1 3 1-27/64 3/8 3/16 19/32 35° 1-7/64 1-1/2 59/64 LS-2
RC-02
RK-02
RK-12
1-3/8" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-88-16 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 1 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
CH-88-22 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 1-3/8 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
CH-88-28 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 1-3/4 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
CH-88-34 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 2-1/8 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
CH-88-40 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 2-1/2 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
CH-88-48 .7188-1.0625 23/32-1-1/16, 18.50-27.00mm 1-3/8 3 1-51/64 3/8 3/16 25/32 30° 1-19/64 1-7/8 1-7/64 LS-2
RC-02
RK-02
RK-12
1-3/4" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-112-22 .9688-1.4062 31/32-1-13/32, 25.00-35.00mm 1-3/4 1-3/8 2-19/64 3/8 3/16 1 30° 1-41/64 2-3/8 1-25/64 LS-3
RC-03
RK-03
RK-13
CH-112-28 .9688-1.4062 31/32-1-13/32, 25.00-35.00mm 1-3/4 1-3/4 2-19/64 3/8 3/16 1 30° 1-41/64 2-3/8 1-25/64 LS-3
RC-03
RK-03
RK-13
CH-112-34 .9688-1.4062 31/32-1-13/32, 25.00-35.00mm 1-3/4 2-1/8 2-19/64 3/8 3/16 1 30° 1-41/64 2-3/8 1-25/64 LS-3
RC-03
RK-03
RK-13
CH-112-40 .9688-1.4062 31/32-1-13/32, 25.00-35.00mm 1-3/4 2-1/2 2-19/64 3/8 3/16 1 30° 1-41/64 2-3/8 1-25/64 LS-3
RC-03
RK-03
RK-13
CH-112-48 .9688-1.4062 31/32-1-13/32, 25.00-35.00mm 1-3/4 3 2-19/64 3/8 3/16 1 30° 1-41/64 2-3/8 1-25/64 LS-3
RC-03
RK-03
RK-13
2-1/4" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES OD LENGTH F DIA G H J L M N DIA R LOCK SCREW
CH-144-22 1.3438-1.8750 1-11/32-1-7/8, 35.00-47.00mm 2-1/4 1-3/8 2-51/64 3/8 3/16 1-1/4 25° 1-57/64 2-7/8 1-41/64 LS-3
RC-03
RK-03
RK-13
CH-144-28 1.3438-1.8750 1-11/32-1-7/8, 35.00-47.00mm 2-1/4 1-3/4 2-51/64 3/8 3/16 1-1/4 25° 1-57/64 2-7/8 1-41/64 LS-3
RC-03
RK-03
RK-13
CH-144-34 1.3438-1.8750 1-11/32-1-7/8, 35.00-47.00mm 2-1/4 2-1/8 2-51/64 3/8 3/16 1-1/4 25° 1-57/64 2-7/8 1-41/64 LS-3
RC-03
RK-03
RK-13
CH-144-40 1.3438-1.8750 1-11/32-1-7/8, 35.00-47.00mm 2-1/4 2-1/2 2-51/64 3/8 3/16 1-1/4 25° 1-57/64 2-7/8 1-41/64 LS-3
RC-03
RK-03
RK-13
CH-144-48 1.3438-1.8750 1-11/32-1-7/8, 35.00-47.00mm 2-1/4 3 2-51/64 3/8 3/16 1-1/4 25° 1-57/64 2-7/8 1-41/64 LS-3
RC-03
RK-03
RK-13