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High-Performance Solid Carbide Drill Tips for WST Carriers

The WS RT19 drill tips in the diameter range from 18.00 to 18.90 mm are a well-thought-out solution for demanding drilling operations in steel and cast iron. Combined with the WST carrier systems, these carbide inserts offer high dimensional accuracy and optimized chip evacuation, making them a practical choice for professional batch production and mechanical engineering.

Technical data

  • Tool type: Carbide inserts for interchangeable tip drills
  • Point angle: 140°
  • Materials: Steel, Cast iron
  • Grade: RT19 (CVD-coated P25/K20 carbide)
  • Diameter range: 18.00 – 18.90 mm
  • Packaging unit: 1 Pc
Tools Inserts for interchangeable tip drills
Point Angle 140° 
Scope of Application Steel and Cast Iron
Coating RT19: CVD Coated P25/K20 Carbide Grade for universal
drilling of steel and cast materials.
Packaging unit 1 Pc

Dimensions of WS RT19 Drill Tips

Item Nr. Diameter Holder
WS-D18.00 RT19
3601800 18,00

WST-D18.0-3xD-H

WST-D18.0-5xD-H

WST-D18.0-8xD-H

WS-D18.10 RT19
3601810 18,10
WS-D18.20 RT19 3601820 18,20
WS-D18.26 RT19
3601826 18,26
WS-D18.30 RT19 3601830 18,30
WS-D18.40 RT19 3601840 18,40
WS-D18.50 RT19 3601850 18,50
WS-D18.60 RT19 3601860 18,60
WS-D18.65 RT19 3601865 18,65
WS-D18.70 RT19 3601870 18,70
WS-D18.80 RT19 3601880 18,80
WS-D18.90 RT19 3601890 18,90

Cutting data

 ISO VDI
3323
Material Vc (m/min) Feed (mm/rev)
Ø10,00-11,99 Ø12,09-14,99 Ø15,00-17,99 Ø18,00-21,99 Ø22,00-26,99 Ø27,00-33,99
P 1 Non-alloy steel 100-126 0,14-0,24 0,18-0,31 0,23-0,39 0,30-0,44 0,37-0,57 0,41-0,61
2 84-110 0,12-0,21 0,15-0,26 0,23-0,39 0,30-0,44 0,37-0,57 0,41-0,61
3 63-84 0,11-0,81 0,13-0,22 0,19-0,31 0,24-0,35 0,33-0,51 0,36-0,54
4 58-74 0,09-0,14 0,11-0,18 0,17-0,28 0,23-0,33 0,28-0,42 0,32-0,47
5 58-74 0,09-0,14 0,11-0,18 0,17-0,28 0,23-0,33 0,28-0,42 0,32-0,47
6 Low alloy steel 74-95 0,11-0,18 0,13-0,22 0,19-0,31 0,24-0,35 0,33-0,51 0,37-0,55
7 63-84 0,11-0,18 0,13-0,22 0,17-0,28 0,24-0,35 0,33-0,51 0,37-0,55
8 58-74 0,09-0,14 0,11-0,18 0,14-0,23 0,23-0,33 0,28-0,42 0,32-0,47
9 47-63 0,07-0,11 0,09-0,13 0,14-0,23 0,23-0,33 0,28-0,42 0,32-0,47
10 High alloyed steel
& tool steel
53-68 0,09-0,14 0,11-0,18 0,14-0,23 0,20-0,29 0,22-0,34 0,26-0,39
11 42-58 0,09-0,14 0,11-0,18 0,12-0,20 0,23-0,33 0,22-0,34 0,26-0,39
K 15 Grey Cast Iron 105-131 0,13-0,23 0,17-0,29 0,22-0,41 0,30-0,46 0,40-0,56 0,44-0,61
16 79-100 0,10-0,18 0,12-0,22 0,18-0,32 0,22-0,33 0,28-0,39 0,32-0,44
17 Nodular Cast Iron 100-126 0,11-0,20 0,14-0,24 0,19-0,34 0,23-0,35 0,31-0,44 0,35-0,48
18 79-100 0,10-0,18 0,12-0,22 0,15-0,29 0,21-0,32 0,28-0,39 0,32-0,44
19 Malleable Cast Iron 105-131 0,11-0,20 0,14-0,24 0,19-0,34 0,23-0,35 0,31-0,44 0,35-0,48
20 79-100 0,10-0,15 0,12-0,20 0,15-0,29 0,21-0,32 0,28-0,39 0,32-0,44

Applications

The RT19 interchangeable tips show their strengths particularly in machining non-alloy, low-alloy, and high-alloy steels as well as various cast materials like grey, nodular, and malleable cast iron. The system is designed for professional use in automated series production, toolmaking, and general metalworking. The interchangeable design significantly reduces setup times, as the drill tip can be replaced without removing the tool from the machine.

Special features

The wear-resistant CVD coating and the robust P25/K20 substrate support reliable drilling results in continuous operation. Furthermore, the 140° point angle provides good centering behavior and reduces axial forces during the drilling process.

Please pay attention to the carrier/drill bit combinations!
These drill bits only fit the WST D18.0-..xD-H carrier (18.00 to 18.90 mm).

When using the 5xD or 8xD drill body, we recommend reducing the feed rate to 85% or 70%.

3601800

Data sheet

Diameter Range
18,00-18,90 mm

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