Conical countersink HSCo 90° with cross hole
Conical countersink diagonal hole
CNTSNK-CRSHO-HSCO-90DGR-(D20-25MM)
ZEBRA
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The products shown are not necessarily compatible. Please always check the articles for the respective application purpose.
- The even-running cone-envelope relief grinding results in a light, paring cut
- The chip flow through the hole prevents the chips from becoming jammed in the workpiece
- Straight shank
- Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable
Not recommended for full countersinking! Increased service life and cutting performance by using drilling and cutting oil.
Conventional steels, stainless steel, non-ferrous metals, plastics and cast iron
Min./max. spot-facer diameter | 20-25 mm |
Head diameter | 35 mm |
Length | 102 mm |
Shank diameter | 12 mm |
Material | High-speed steel with 5% cobalt content |
Countersink angle | 90 Degree |
| Speed values | |||||
| Material | Non-ferrous metals | Soft sheet steel, such as St 4 - St 37 | Plastics, duroplastics, thermoplastics | Cast iron up to 250/Nmm² | Aluminium alloys |
| Cutting speed = m/min | 20 | 15 | 15–20 | 10 | 25 |
| Dia. in mm | n = rpm | n = rpm | n = rpm | n = rpm | n = rpm |
| 2–5 | 900–1200 | 600–900 | 900–1200 | 500–700 | 1200–1600 |
| 5–10 | 500–700 | 300–500 | 500–700 | 300–400 | 700–900 |
| 10–15 | 300–500 | 250–300 | 300–500 | 200–300 | 500–700 |
| 15–20 | 200–300 | 150–250 | 200–300 | 100–200 | 300–500 |
| 20–25 | 150–200 | 100–150 | 150–200 | 100–150 | 200–300 |
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