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High-performance solid carbide interchangeable tips for demanding drilling tasks

With the WS RT19 (14.50 – 14.90 mm) interchangeable drill tips, Rinaldi-Tools offers a professional solution for universal drilling operations. Specifically designed for use in steel and cast iron materials, these inserts feature a field-proven 140° point angle that creates ideal conditions for precise centering. Manufactured from a robust P25/K20 carbide grade and enhanced with a wear-resistant RT19 CVD coating, these tips provide reliable tool life, supporting professionals in both serial and single-part production.

Technical data

  • Tool type: Solid carbide inserts for interchangeable tip drills
  • Diameter range: 14.50 – 14.90 mm
  • Point angle: 140°
  • Coating: RT19 (CVD coated)
  • Carbide grade: P25/K20
  • Compatibility: Fits WST D14.5-..xD-H carriers
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 interchangeable drill tips

Item Nr. Diameter Holder
WS-D14.50 RT19 3601450 14,50

WST-D14.5-3xD-H

WST-D14.5-5xD-H

WST-D14.5-8xD-H

WS-D14.60 RT19 3601460 14,60
WS-D14.68 RT19 3601468 14,68
WS-D14.70 RT19 3601470 14,70
WS-D14.80 RT19 3601480 14,80
WS-D14.90 RT19 3601490 14,90

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

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

Applications

The WS RT19 drill tips are exceptionally well-suited for mechanical engineering, fixture construction, and maintenance workshops. Thanks to their optimized material composition, they open up flexible application possibilities in non-alloy, low-alloy, and high-alloy steels, as well as tool steels. They also perform reliably when machining grey, nodular, and malleable cast iron. The quick-change system further supports efficient processes during serial production environments.

Special features

The sophisticated design of the RT19 inserts combines a universal carbide grade with a temperature-resistant CVD protective layer to noticeably minimize wear. The ability to perform fast tool changes directly on the machine saves valuable setup time and ensures high process reliability. Please pay attention to the carrier/drill bit combinations! These drill bits only fit the 14.50-14.90 mm carrier (WST D14.5-..xD-H).

3601450

Data sheet

Diameter Range
14,50-14,90 mm

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