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High-Performance Drill Tip WS RT19

The interchangeable WS RT19 drill tip provides professionals with a resilient and efficient solution for drilling applications in the 28.00 to 28.97 mm diameter range. The combination of a P25/K20 carbide substrate and a wear-resistant CVD coating creates excellent conditions for machining unalloyed and alloyed steel, as well as grey and nodular cast iron. By using the WST D28.0-..xD-H holder, the cutting edges can be replaced directly in the machine, accelerating workflows and improving machine availability.

Please pay attention to the holder/drill bit combinations!
These drill bits only fit the WST D28.0-..xD-H holder (28,00 to 28,97 mm).

Technical data

  • Tool type: Carbide insert for interchangeable tip drills
  • Diameter range: 28.00 – 28.97 mm
  • Point angle: 140°
  • Material grade: P25/K20 carbide with CVD coating (RT19)
  • Packaging unit: 1 piece
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 Tip

Item  Nr. Diameter Holder
WS-D28.00 RT19 3602800 28,00

WST-D28.0-3xD-H

WST-D28.0-5xD-H

WST-D28.0-8xD-H

WS-D28.18 RT19 3602818 28,18
WS-D28.50 RT19 3602850 28,50
WS-D28.58 RT19 3602858 28,58
WS-D28.97 RT19 3602897 28,97

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

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

Applications

This solid carbide drilling tool is built for versatile use across the metalworking industry. The drill tips perform exceptionally well in medium to deep hole drilling tasks in diverse steel and cast iron materials. They are specifically matched to the WST D28.0-..xD-H series holders, making them an excellent choice for serial production and environments with strict requirements for process stability.

Special features

The robust 140° point angle ensures continuous guidance and clean drilling results. The tough CVD coating helps to minimize wear even under varying material conditions, achieving an impressive tool life. The intelligent interchangeable tip system supports flexible, cost-effective machining processes.

3602800

Data sheet

Diameter Range
28,00-28,97 mm

Compatible products

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