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Drill 24 NWKc HSS DIN 345
0000008525
Diameter (mm): 24301 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
€29.13 tax inc.
Net price: €23.68
Description
DIAMETER Ø24 mm
MORSE TAPER MT3
OVERALL LENGTH 281 mm
FLUTE LENGTH 160 mm
Technical specifications of the Ø24 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø24 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 281 mm |
| Flute length l2 | 160 mm |
| Morse taper | MT3 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø24 mm HSS metal drill bit – Morse taper MT3
Product description and key benefits
The Ø24 mm twist drill with an MT3 Morse taper belongs to the group of tools designed for drilling machines with MT3 or larger spindles. At this diameter, the axial force when drilling S355 steel is several kN — a value requiring rigid clamping and a stable machine base. The Ø24 Morse taper drill is used to produce holes for foundation bolts, pins, and bearing bushings in machine components.
Key benefits of the Ø24 mm metal drill bit
- Morse taper MT3 — 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 Ø24 Morse taper drill is used in machinery manufacturing and repair plants for holes in structural components with more demanding dimensional requirements. Typical applications: holes for M22–M30 bolts, seats for bushings and pins. H12 tolerance (Ø24.000–Ø24.210 mm); H7 requires reaming.
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 Ø24 MM DRILL BIT:
| ✓ | MT3 → MT4 — for a spindle with an MT4 socket |
| ✓ | MT3 → MT5 — for a spindle with an MT5 socket |
| ✓ | MT3 drill drift — for removing the drill bit from the spindle |
Cutting data for the Ø24 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø24 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 | 0.20 | 146÷265 | 29÷53 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.20 | 172÷212 | 34÷42 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.25÷0.32 | 332÷371 | 83÷119 |
Coolant selection for drilling diameters of 23–31 mm
At a diameter of 24 mm, the volume of chips removed is considerable — the helical flutes must evacuate a large amount of material. Use an emulsion at a concentration of 6–8% with a flow rate of at least 5 l/min. Without pressurized coolant, limit the depth of each pass to 48 mm.
Material compatibility of the Ø24 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 40%, ample coolant)
▲ Aluminum and Al alloys (emulsion coolant required)
✗ Hardened steels above 45 HRC
Frequently asked questions about the Ø24 mm drill bit
Spot drilling is not necessary on flat surfaces in structural steels. Spotting with a 90° NC spotting drill is recommended when drilling on inclined surfaces, castings with machining allowance, and flame-cut surfaces.
The HSS drill can handle stainless steel with Vc reduced by 40% and ample coolant. For regular INOX machining, an HSSE (cobalt) drill of the same diameter is recommended.
A pillar or box-column drill press with an MT3 spindle and a power rating of at least 1.5 kW. For diameters above 25 mm, power feed is recommended — manual feed will not provide uniform pressure.
Product accessories
Reduction sleeve MK4 MK3 1751 PTPa DIN 228
Reference: 1180 In stock > 10 items
€18.42
€22.66 brutto
Reduction sleeve MK6 MK3 1751 PTPa DIN 228
Reference: 11965 In stock < 10 items
€36.84
€45.32 brutto
Reduction sleeve MK5 MK3 1751 PTPa DIN 228
Reference: 5702 In stock > 10 items
€26.32
€32.37 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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