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Drill 14 NWKc HSS DIN 345
173988
Diameter (mm): 14301 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
€9.71 tax inc.
Net price: €7.89
Description
DIAMETER Ø14 mm
MORSE TAPER MT1
OVERALL LENGTH 189 mm
FLUTE LENGTH 108 mm
Technical specifications of the Ø14 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø14 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 189 mm |
| Flute length l2 | 108 mm |
| Morse taper | MT1 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø14 mm HSS metal drill bit – Morse taper MT1
Product description and key benefits
The Ø14 mm twist drill with an MT1 taper shank solves the problem of tool slippage in a three-jaw chuck under full load. The Morse taper is self-holding — the higher the cutting torque, the more securely it seats in the spindle. The Ø14 Morse taper drill for a diameter of 14 mm ensures stability even during prolonged batch drilling at a single workstation.
Key benefits of the Ø14 mm metal drill bit
- MT1 taper — direct mounting — eliminates the drill chuck as a source of radial runout and tool slippage
- HSS cutting edge, 63–65 HRC — hardness that ensures stable cutting of steels with tensile strengths up to 900 N/mm² throughout the interval between sharpenings
- Right-hand helical flutes — effective chip evacuation from the cutting zone — essential when drilling holes deeper than 2×D
- Compact 189 mm design — shorter tool overhang provides greater rigidity and less vibration
- Repeated reconditioning — the HSS cutting edge can be resharpened 8–12 times while retaining its geometry — at l2 = 108 mm, the resharpening allowance is approximately 13 mm
- Sleeve compatibility — use on drilling machines with MT1 to MT2 spindles using reduction sleeves
The Ø14 Morse taper drill is used in maintenance departments for repairing and reconditioning machine components. Standard H12 hole tolerance (Ø14.000–Ø14.180 mm) is sufficient for most through holes; close fits are achieved by 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 Ø14 MM DRILL BIT:
| ✓ | MT1 → MT2 — for a spindle with an MT2 socket |
| ✓ | MT1 → MT3 — for a spindle with an MT3 socket |
| ✓ | MT1 drill drift — for removing the drill bit from the spindle |
Cutting data for the Ø14 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø14 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 | 0.12 | 250÷455 | 30÷55 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.12 | 296÷364 | 36÷44 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.16÷0.20 | 568÷637 | 91÷127 |
Drilling blind holes
When drilling blind holes with the Ø14 mm drill, allow for the drill point cone — the usable depth is approximately 4 mm less than the set depth. For holes deeper than 42 mm (3×D), retract the drill every 21 mm to clear chips from the flutes.
Material compatibility of the Ø14 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 Ø14 mm drill bit
The Ø14 mm NWKc drill bit with an MT1 taper mounts directly in the drill press spindle — the self-holding taper eliminates slipping under high cutting torque. A straight shank drill bit requires a drill chuck, which may not transmit the full torque during heavy use.
Yes — using an MT1→MT2 reduction sleeve. The sleeve ensures proper seating of the taper in the larger spindle socket. Use a correctly sized drill drift for removal.
The maximum drilling depth is the flute length l2 = 108 mm minus the drill point length (approximately 4 mm). The effective usable depth is therefore approximately 104 mm.
Product accessories
Reduction sleeve MK4 MK1 1751 PTPa DIN 228
Reference: 1179 In stock > 10 items
€15.79
€19.42 brutto
Reduction sleeve MK3 MK1 1751 PTPa DIN 228
Reference: 1184 In stock > 10 items
€11.84
€14.57 brutto
Reduction sleeve MK5 MK1 1751 PTPa DIN 228
Reference: 1185 In stock > 10 items
€22.37
€27.51 brutto
Drill bit 14 for Hardox Morsea hardened steel
Reference: 5782 In stock > 10 items
€10.53
€12.95 brutto
Reduction sleeve MK2 MK1 1751 PTPa DIN 228
Reference: 2586 In stock < 10 items
€9.21
€11.33 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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