Polski 
- 98% satisfied customers
- 72h delivery
- 30 dni na zwrot
Drill 98 NWKc HSS DIN 345 Werko
0000009249
Diameter (mm): 98301 sizes of this drill
33,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,84,955,15,25,35,45,55,65,75,85,966,16,26,36,46,56,66,76,86,977,17,157,27,257,37,47,57,67,77,757,87,988,18,28,258,38,48,58,68,78,88,999,19,29,259,39,49,59,69,79,759,89,91010,110,210,310,410,510,610,710,7510,810,91111,111,211,2511,311,411,511,611,711,811,91212,112,212,312,412,512,612,712,812,91313,113,213,2513,313,413,513,613,713,7513,813,91414,2514,414,514,751515,2515,515,751616,2516,516,751717,2517,517,751818,2518,518,751919,2519,519,752020,2520,520,752121,2521,521,752222,2522,522,752323,2523,523,752424,2524,524,752525,2525,525,752626,2526,526,752727,2527,527,752828,2528,528,752929,2529,529,753030,2530,530,753131,2531,531,753232,2532,532,753333,2533,533,753434,2534,534,753535,2535,535,753636,2536,536,753737,2537,537,7537,83838,538,753939,2539,539,754040,2540,54141,54242,54343,54444,54545,54646,546,75474848,54949,55050,55151,55252,553545556575858,55960616263646566676869707172737475767778798081828384858687888990919293949596979899100
€598.82 tax inc.
Net price: €486.84
Description
DIAMETER Ø98 mm
MORSE TAPER MT6
OVERALL LENGTH 530 mm
FLUTE LENGTH 260 mm
Technical specifications of the Ø98 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø98 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 530 mm |
| Flute length l2 | 260 mm |
| Morse taper | MT6 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø98 mm HSS metal drill bit – Morse taper MT6
Product description and key benefits
The Ø98 mm metal drill bit with an MT6 Morse taper is a tool at the upper end of the diameter range — the MT6 taper with a diameter of 63.35 mm is the largest standard size in the Morse taper system. At Ø98, cutting forces require a heavy-duty machine tool: a radial drilling machine or boring machine with a power rating above 7 kW. The Ø98 Morse taper drill bit should not be used without a pilot hole — at this diameter, the chisel edge generates an axial force exceeding 20 kN.
Key benefits of the Ø98 mm metal drill bit
- Morse taper MT6 — self-holding mounting in the spindle eliminates slipping under full cutting torque
- HSS high-speed steel — the cutting edge retains its working hardness up to 600°C in structural and low-alloy steels
- Full compliance with DIN 345 — ensures interchangeability and compatibility with reduction sleeves and Morse taper spindles
- 118° point angle — versatile cutting geometry performs well in structural and medium-hard steels, cast iron, and aluminum
- Diameter tolerance h8 — repeatable hole size within a tolerance class that ensures consistent parameters in series production
- Resharpenable cutting edges — repeated sharpening on a grinder while maintaining the 118° angle and cutting edge symmetry
The Ø98 Morse taper drill bit is reserved for the most demanding drilling operations — holes in thick castings, foundation plates with a thickness exceeding 100 mm, and mining machinery housings. Tolerance H12, Ø98.000–Ø98.350 mm; more precise holes require boring.
Morse tapers – dimensions to DIN 228
Dimension table for all Morse tapers MT0–MT6
| Taper | Diameter D [mm] | Length [mm] |
|---|---|---|
| MT0 | 9.045 | 49.8 |
| MT1 | 12.065 | 53.5 |
| MT2 | 17.780 | 64.0 |
| MT3 | 23.825 | 80.5 |
| MT4 | 31.267 | 117.5 |
| MT5 | 44.399 | 149.5 |
| MT6 | 63.348 | 210.0 |
REDUCTION SLEEVES COMPATIBLE WITH THE Ø98 MM DRILL BIT:
| ✓ | MT6 → MT5 — not recommended (socket capacity below the operating load) |
| ✓ | MT6 → MT4 — not recommended (socket significantly undersized for the load) |
| ✓ | MT6 drill drift — for removing the drill bit from the spindle |
Cutting data for the Ø98 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø98 mm
| ISO symbol | Workpiece material | Vc [m/min] | f [mm/rev] | n [rpm] | Vf [mm/min] |
|---|---|---|---|---|---|
| P Steel | Structural steel up to 900 N/mm² | 11÷20 | 0.40 | 36÷65 | 14÷26 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.40 | 42÷52 | 17÷21 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.50÷0.63 | 81÷91 | 40÷57 |
Staged drilling — mandatory
The Ø98 mm drill bit requires two- or three-stage drilling: 1) NC spot drilling at 90°, 2) a Ø25–30 mm pilot hole, 3) the final Ø98 mm drill bit. Drilling without a pilot hole generates an axial force above 25 kN and torque exceeding 200 Nm — risk of spindle damage.
Material compatibility of the Ø98 mm drill bit
Range of workpiece materials and application limitations
✓ Structural steel (S235, S355) up to 900 N/mm²
✓ Gray and ductile cast iron (GG20, GGG40)
✓ Low-carbon and medium-alloy steel
▲ Stainless steel (Vc reduced by 50%, pilot drilling required)
▲ Aluminum and Al alloys (increased Vc, emulsion cooling)
✗ Hardened steels above 45 HRC
Frequently asked questions about the Ø98 mm drill bit
At least two: 1) a Ø25–30 mm pilot hole, 2) the final Ø98 mm drill bit. For diameters above 90 mm, consider three stages: pilot Ø25 → intermediate Ø50 → final Ø98 mm.
Pressurized coolant is mandatory: emulsion concentration 8–10%, minimum flow rate 10 l/min. Lack of cooling leads to cutting-edge overheating, hardening of the cutting zone, and tool breakage.
Yes — an HSSE drill bit with the same dimensions (DIN 345) is a 1:1 replacement. The difference: HSSE with 5% cobalt better withstands the temperatures encountered during prolonged large-diameter drilling. When machining only carbon steels, the difference is small.
Product accessories
Reviews
No customer reviews for the moment.
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 |
Recommended for you
This website uses its own and third-party cookies to improve our services and show you advertising related to your preferences by analyzing your browsing habits. To give your consent to its use, press the Accept button.
Cookie preferences
Functional cookiesTechnical
Functional cookies are strictly necessary to provide the services of the shop, as well as for its proper functioning, so it is not possible to refuse their use. They allow the user to browse through our website and use the different options or services that exist on it.
Advertising Cookies
These are cookies that collect information about the advertisements shown to users of the website. They can be anonymous, if they only collect information about the advertising spaces shown without identifying the user, or personalised, if they collect personal information about the user of the shop by a third party, for the personalisation of these advertising spaces.
Analytics cookies
Collect information about the user's browsing experience in the shop, usually anonymously, although sometimes they also allow the user to be uniquely and unequivocally identified in order to obtain reports on the user's interests in the products or services offered by the shop.