Counterboring Tools
Counterboring tools and drilling inserts are designed for creating precise and accurate holes of any diameter. The STS toolholders are available in Whistle Notch? and Weldon? shanks and are great for steel, stainless steel, cast iron, non-ferrous materials, high-temp alloys, and hardened materials. CTR?? counterboring tools are designed for high-production screw-head counterbores and similar counterboring operations. They have unequal insert positioning and flutes. JDB电子’s CTR double-sided drilling inserts are known for their high performance and durability.
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Filters
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Workpiece Material
Workpiece Material
- P Steel (86)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(86)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(86)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(86)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(86)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(86)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(86)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(86)
- M Stainless Steel (86)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(86)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(86)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(86)
- K Cast Iron (104)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(104)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(104)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(104)
- N Non-Ferrous Materials (64)
- N1Wrought Aluminum (64)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(64)
- N3High-Silicon Aluminum Alloys Si >12.2%(60)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (64)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (64)
- N6Carbon, Graphite Composites, CFRP (64)
- N7MMC's (59)
- S High-Temp Alloys (85)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(85)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(85)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(85)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(85)
- H Hardened Materials (51)
- H1Hardened Materials 44-48 HRC(51)
- H2Hardened Materials 48-55 HRC(51)
- H3Hardened Materials 56-60 HRC(51)
- H4Hardened Materials >60 HRC(51)
Applications
Applications
Counterboring (35)
Drilling (35)
Cutting Diameter
Cutting Diameter
- 0.595 in(1)
- 0.635 in(1)
- 0.674 in(1)
- 0.714 in(2)
- 0.794 in(2)
- 0.812 in(1)
- 0.834 in(2)
- 0.873 in(2)
- 0.912 in(2)
- 0.953 in(2)
- 0.991 in(2)
- 1.0 in(1)
- 1.031 in(1)
- 1.07 in(1)
- 1.109 in(1)
- 1.187 in(1)
- 1.188 in(1)
- 1.268 in(1)
- 1.307 in(1)
- 1.346 in(1)
- 1.387 in(1)
- 1.425 in(1)
- 1.504 in(1)
- 1.583 in(1)
- 1.625 in(1)
- 1.661 in(1)
- 1.819 in(1)
- 2.0 in(1)
to
Cutting Diameter
Cutting Diameter
- 15.125 mm(1)
- 16.125 mm(1)
- 17.125 mm(1)
- 18.125 mm(2)
- 20.175 mm(2)
- 20.625 mm(1)
- 21.175 mm(2)
- 22.175 mm(2)
- 23.175 mm(2)
- 24.175 mm(2)
- 25.175 mm(2)
- 25.401 mm(1)
- 26.175 mm(1)
- 27.175 mm(1)
- 28.175 mm(1)
- 30.151 mm(1)
- 30.175 mm(1)
- 32.2 mm(1)
- 33.2 mm(1)
- 34.2 mm(1)
- 35.2 mm(1)
- 36.2 mm(1)
- 38.2 mm(1)
- 40.2 mm(1)
- 41.276 mm(1)
- 42.2 mm(1)
- 46.2 mm(1)
- 50.801 mm(1)
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Cutting Condition
Cutting Condition
- Interrupted (20)
- Stable (69)
- Unstable (20)
Maximum Hole Depth [L4]
Maximum Hole Depth [L4]
- 8.5 mm(2)
- 11.0 mm(1)
- 12.701 mm(1)
- 13.5 mm(3)
- 15.875 mm(1)
- 16.0 mm(7)
- 18.5 mm(1)
- 19.05 mm(1)
- 21.0 mm(3)
- 23.0 mm(2)
- 23.5 mm(3)
- 25.401 mm(1)
- 25.5 mm(3)
- 27.5 mm(1)
- 30.0 mm(1)
- 30.5 mm(1)
- 31.75 mm(1)
- 33.5 mm(2)
to
Maximum Hole Depth [L4]
Maximum Hole Depth [L4]
- 0.335 in(2)
- 0.433 in(1)
- 0.5 in(1)
- 0.531 in(3)
- 0.625 in(1)
- 0.63 in(7)
- 0.728 in(1)
- 0.75 in(1)
- 0.828 in(3)
- 0.906 in(2)
- 0.925 in(3)
- 1.0 in(1)
- 1.004 in(3)
- 1.083 in(1)
- 1.181 in(1)
- 1.201 in(1)
- 1.25 in(1)
- 1.319 in(2)
to
Connection Style
Connection Style
- Weldon (5)
- Whistle Notch 2 (30)
Number of Flutes
Number of Flutes
- 2 (12)
- 3 (23)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 2.0 (111)
- 4.0 (15)
to
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
- 3.189 in(2)
- 3.386 in(9)
- 3.5 in(2)
- 3.583 in(4)
- 3.781 in(4)
- 3.976 in(4)
- 4.0 in(1)
- 4.37 in(2)
- 4.5 in(2)
- 4.567 in(1)
- 4.764 in(2)
- 4.961 in(2)
to
Over All Length [L]
Over All Length [L]
- 81.0 mm(2)
- 86.0 mm(9)
- 88.9 mm(2)
- 91.0 mm(4)
- 96.0 mm(4)
- 101.0 mm(4)
- 101.601 mm(1)
- 111.0 mm(2)
- 114.301 mm(2)
- 116.0 mm(1)
- 121.0 mm(2)
- 126.0 mm(2)
to
Corner Radius
Corner Radius
- 0.008 in(3)
- 0.016 in(34)
- 0.024 in(4)
- 0.031 in(15)
- 0.039 in(6)
- 0.047 in(6)
- 0.063 in(5)
- 0.079 in(3)
to
Corner Radius
Corner Radius
- 0.2 mm(3)
- 0.4 mm(34)
- 0.601 mm(4)
- 0.8 mm(15)
- 1.0 mm(6)
- 1.201 mm(6)
- 1.6 mm(5)
- 2.0 mm(3)
to
Corner Chamfer
Corner Chamfer
- 0.0 mm(76)
to
Corner Chamfer
Corner Chamfer
- 0.0 in(76)
to
Application
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- CS5 (23)
- KC7140 (39)
- KC720 (7)
- KC7215 (61)
- KCPK10 (41)
- KCU25 (48)
- KCU40 (49)
- KM1 (41)
Hand Of Tool
Hand Of Tool
- R (35)
Wiper Insert
Wiper Insert
- N (76)
Drill Type
Drill Type
- 86-04 (35)
Insert Geometry
Shape
Shape
- S-SQUARE 90 (76)
Insert IC Size
Insert IC Size
- 6.351 mm(13)
- 7.926 mm(16)
- 9.525 mm(20)
- 12.701 mm(18)
- 15.875 mm(9)
to
Insert IC Size
Insert IC Size
- 0.25 in(13)
- 0.312 in(16)
- 0.375 in(20)
- 0.5 in(18)
- 0.625 in(9)
to
Cutting Edge Length
Cutting Edge Length
- 6.351 mm(13)
- 7.926 mm(16)
- 9.525 mm(20)
- 12.701 mm(27)
to
Cutting Edge Length
Cutting Edge Length
- 0.25 in(13)
- 0.312 in(16)
- 0.375 in(20)
- 0.5 in(27)
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Chip Breaker CBMD
Chip Breaker CBMD
- 20 (33)
- 21 (30)
- 22 (4)
Cutting Tool Material
Cutting Tool Material
- H W (76)
Tolerance Class
Tolerance Class
- H (12)
Back-End
Connection Type
Connection Type
- CYLINDRICAL (35)
Back-End Diameter
Back-End Diameter
- 19.05 mm(2)
- 20.0 mm(23)
- 25.401 mm(2)
- 31.75 mm(1)
- 32.0 mm(7)
to
Back-End Diameter
Back-End Diameter
- 0.75 in(2)
- 0.787 in(23)
- 1.0 in(2)
- 1.25 in(1)
- 1.26 in(7)
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