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Reliable Positioning Accuracy for Demanding Drilling Operations

The HSSCo8 NC-Spotting Drill 90° in the long version provides an excellent foundation for accurate hole guidance in subsequent machining steps. Combining a 90° point angle with an extended cylindrical shank, this tool is highly suitable for precise spotting and simultaneous chamfering, especially in deep or hard-to-reach locations. The cobalt-alloyed high-speed steel (HSSCo8) construction supports efficient workflows across various materials.

Suitable materials

Alu.jpg

Technical data

  • Point angle: 90°
  • Material: HSSCo8 (8% cobalt alloy)
  • Design: Long version
  • Shank: Cylindrical shank
  • Packaging unit: 1 Pc

Dimensions of HSSCo8 NC-Spotting Drill 90° Long Version

Art. Nr. D L1 L
ABL-90°-D3.0-HSSCo8 3501081 3 12 80
ABL-90°-D4.0-HSSCo8 3501082 4 12 100
ABL-90°-D5.0-HSSCo8 3501083 5 15 120
ABL-90°-D6.0-HSSCo8 3501084 6 20 140
ABL-90°-D8.0-HSSCo8 3501085 8 25 140
ABL-90°-D10.0-HSSCo8 3501086 10 25 170
ABL-90°-D12.0-HSSCo8 3501087 12 30 170
ABL-90°-D16.0-HSSCo8 3501088 16 35 200
ABL-90°-D20.0-HSSCo8 3501089 20 40 200

Cutting data

Workpiece Materials Vc (m/min) Feed fu (mm)
Ø 2 Ø 3 Ø 4 Ø 6 Ø 8 Ø 10 Ø 12 Ø 16 Ø 20

Steel

15-25 0,01-0,04 0,03-0,06 0,04-0,08 0,05-0,10 0,07-0,12 0,08-0,14 0,09-0,17 0,11-0,19 0,13-0,21

Stainless Steel

15 0,02-0,04 0,04-0,06 0,05-0,08 0,07-0,10 0,08-0,12 0,08-0,12 0,11-0,17 0,13-0,19 0,15-0,21

Cast Iron

20-30 0,01-0,05 0,03-0,07 0,04-0,09 0,05-0,11 0,07-0,13 0,08-0,16 0,09-0,20 0,11-0,24 0,13-0,28

Aluminum/Aluminum-alloys (<12% Si.)

50-65 0,04-0,06 0,06-0,09 0,08-0,11 0,10-0,13 0,12-0,15 0,15-0,19 0,18-0,23 0,21-0,27 0,25-0,31

Applications

Thanks to the extended design, this spotting drill is particularly valuable when interfering contours on workpieces or fixtures need to be bypassed. It is primarily used on CNC machines, machining centers, and milling machines, where it prevents twist drills from wandering off-center. The 90° angle is frequently chosen to directly prepare the hole for countersunk screws or a defined chamfer.

Special features

The 8 percent cobalt alloy (HSSCo8) gives the tool high heat resistance and wear resistance. This ensures consistent centering quality when machining steel, stainless steel, cast iron, and aluminum alloys.

3501081

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