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High-Performance Solid Carbide Drill Tips

The WS... RT19 interchangeable drill tips cover the diameter range from 12,50 to 12,90 mm and are a well-thought-out solution for professional drilling operations in steel and cast iron. The CVD-coated P25/K20 carbide grade provides convincing wear resistance that supports efficient workflows in machining. Please pay attention to the carrier/drill bit combinations! These drill bits only fit the 12,50-12,90 mm carrier. When using the 5xD or 8xD drill body, we recommend reducing the feed rate to 85% or 70%.

Technical data

  • Tool type: Solid carbide interchangeable tip
  • Diameter range: 12,50 - 12,90 mm
  • Point angle: 140°
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 (12,50 - 12,90 mm)

Item Nr. Diameter Holder
WS-D12.50 RT19 3601250 12,50

WST-D12.5-3xD-H

WST-D12.5-5xD-H

WST-D12.5-8xD-H

WS-D12.60 RT19 3601260 12,60
WS-D12.70 RT19 3601270 12,70
WS-D12.80 RT19 3601280 12,80
WS-D12.90 RT19 3601290 12,90

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

Thanks to the specific P25/K20 cutting material design, this drilling system is excellently suited for the universal machining of non-alloy steel, low alloy steel, and high alloy tool steel. Furthermore, the drill tip performs reliably in grey cast iron, nodular cast iron, and malleable cast iron. The interchangeable system creates good conditions for flexible adaptations in modern mechanical engineering and fixture construction.

Special features

The 140° point angle enables precise centering and ensures an even distribution of cutting forces. The wear-resistant RT19 CVD coating is specifically tailored to the requirements of machining steel and cast materials. In combination with the matching WST holders in various lengths (3xD, 5xD, 8xD), it results in a highly stable tool system tailored for professional use.

3601250

Data sheet

Diameter Range
12,50-12,90 mm

Compatible products

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