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Metal drill bit 3.6 NWKc HSS DIN 345
10911
Diameter (mm): 3,6301 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
€4.05 tax inc.
Net price: €3.29
Description
DIAMETER Ø3.6 mm
MORSE TAPER MT1
OVERALL LENGTH 120 mm
FLUTE LENGTH 39 mm
Technical specifications of the Ø3.6 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø3.6 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 120 mm |
| Flute length l2 | 39 mm |
| Morse taper | MT1 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø3.6 mm HSS metal drill bit – Morse taper MT1
Product description and key benefits
Choosing a Ø3.6 mm twist drill with an MT1 taper instead of a straight-shank equivalent is justified wherever the drilling machine has a tapered spindle. Seating the tool directly in the spindle simplifies the process — eliminating the chuck reduces setup operations and the risk of runout. The Ø3.6 Morse taper drill conforming to DIN 345 fits any MT1 spindle, regardless of the machine tool manufacturer.
Key benefits of the Ø3.6 mm metal drill bit
- Direct mounting in an MT1 spindle — eliminates the drill chuck and its associated radial runout
- DIN 345 — ensures full interchangeability with drills from other manufacturers and compatibility with reduction sleeves
- Right-hand helical flutes — efficient chip evacuation from the cutting zone even when drilling holes deeper than 3×D
- Abrasion resistance — high-speed steel (HSS) provides cutting edge durability when machining structural steels with tensile strengths up to 900 N/mm²
- Overall length of 120 mm — compact construction increases system rigidity and reduces vibration during drilling
- Material versatility — drilling steel, cast iron, and aluminum — one tool for most shop tasks
The Ø3.6 Morse taper drill is used in maintenance departments for repairing and reconditioning machine components. Standard H12 hole tolerance (Ø3.600–Ø3.720 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 Ø3.6 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 Ø3.6 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø3.6 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 | 0.06 | 973÷1768 | 58÷106 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.06 | 1149÷1415 | 69÷85 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.08÷0.10 | 2210÷2476 | 177÷248 |
Drilling blind holes
When drilling blind holes with the Ø3.6 mm drill, allow for the drill point cone — the usable depth is approximately 1 mm less than the set depth. For holes deeper than 10 mm (3×D), retract the drill every 5 mm to clear chips from the flutes.
Material compatibility of the Ø3.6 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 Ø3.6 mm drill bit
A cooling and lubricating emulsion at a concentration of 5–8% is recommended. For stainless steels, increase the concentration to 8–10%. Cast iron can be drilled dry with compressed air to remove chips.
The Ø3.6 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.
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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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