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Carbide drill bit 9.8 3XD VHM DIN 6537 HA Horn
Net price: €22.11
Description
Technical data of carbide drill fi 9.8 VHM
| Technical Data | |
|---|---|
| Cutting Diameter D1 | 9.8 mm |
| Diameter D2 (H6) | 9.8 mm |
| Overall Length L1 | 70.0 mm |
| Flute length L2 | 40 mm |
| Drilling depth | 29.4 mm |
| For tap size | M7 |
| Drill manufacturing tolerance | m7 |
| Material to be drilled | 55 HRC |

Ø9.8 mm 3XD solid carbide (VHM) drill bit 55 HRC – professional machining of special steels
Ø9.8 mm carbide drill bit made of cemented carbide for machining steels hardened to 55 HRC is designed for drilling stainless materials and heat-resistant alloys. The 140° angle ensures reliable centering without slipping. Solid carbide (VHM) drill bit 9.8 allows holes to be produced to H7 tolerance on CNC machine tools.
Key parameters of the 3xD carbide drill bit
- Maximum radial runout of 0.05 mm – precision manufacturing enables straight drilling in hydraulic chucks, shrink-fit holders, and ER collet chucks
- 140° point angle for difficult-to-machine materials – geometry tailored to 1.4301 stainless steel, heat-resistant alloys, and titanium eliminates the need for spot drilling
- Coating resistant to temperatures up to 850° Celsius – the protective layer extends tool life by 200 percent compared with uncoated drills and reduces steel chip adhesion
- Flute length 29.4 mm for a diameter of 9.8 mm – the 3xD ratio ensures structural stability during machining on CNC milling machines and lathes
- Self-centering solid carbide construction – the specialized design reduces production cycle time by 35 percent by eliminating spot drilling
9.8 mm 3XD carbide drill bit is used in toolrooms performing precision machining on CNC machines. Using tool holders with runout below 0.05 mm and parameters matched to the material ensures dimensional consistency of holes in structural, stainless, and hardened steels.
Cutting parameters of carbide drill fi 9.8 VHM
| Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] |
|---|---|---|
| PSteel | 30-70 | 0.16-0.26 |
| MStainless steel | 30 | 0.16 |
| KCast iron | 65-100 | 0.33 |
| NAluminum and nonferrous materials | 100-200 | 0.26-0.40 |
May be useful
Cutting parameters calculator
Frequently asked questions
When working on a CNC machining center with a tool holder having runout below 0.05 mm, H7 tolerance is achievable. Stable workpiece clamping and speeds and feeds matched to the workpiece material hardness are required.
ER collet chucks are a suitable choice for cemented carbide drill bits. They provide precise clamping with a maximum runout of 0.05 mm. Their limitation is the lack of a coolant channel, while the versatility of the ER system allows quick tool changes.
This angle is designed for stainless steel types 1.4301 and 1.4404, steel hardened to 55 HRC, heat-resistant alloys, and Grade 5 titanium. The geometry eliminates cutting edge slipping when starting holes in hard surfaces.
Product accessories
Collet chuck 7626 40 100 ER32 MAS 403 BT
Reference: 0000011163 In stock > 10 items
€42.08 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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