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Drill 36,25 NWKc HSS DIN 345 Baildon
5332
Diameter (mm): 36,25301 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
€64.09 tax inc.
Net price: €52.11
Description
DIAMETER Ø36.25 mm
MORSE TAPER MT4
OVERALL LENGTH 344 mm
FLUTE LENGTH 195 mm
Technical specifications of the Ø36.25 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø36.25 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 344 mm |
| Flute length l2 | 195 mm |
| Morse taper | MT4 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø36.25 mm HSS metal drill bit – Morse taper MT4
Product description and key benefits
The Ø36.25 mm twist drill with an MT4 taper shank conforming to DIN 345 is designed for drilling mounting holes in foundation plates, flanges, and machine housings. At a diameter of 36.25 mm, the axial force and torque require a stable machine platform — a pillar or box-column drilling machine with power spindle feed. The Ø36.25 Morse taper drill with a flute length of 195 mm enables drilling through holes in components with thicknesses commonly encountered in machine building.
Key benefits of the Ø36.25 mm metal drill bit
- Secure MT4 taper mounting — the self-holding taper conforming to DIN 345 transmits cutting torque without intermediate components — no drill chuck is required
- HSS steel resistant to temperatures up to 600°C — the cutting edge retains its working hardness at the cutting speeds recommended for structural steels and cast iron
- Flute length 195 mm — enables drilling through holes in components up to 185 mm thick without extensions
- Self-centering 118° geometry — eliminates spot drilling on flat surfaces — saves time in batch production
- Diameter tolerance class h8 — the predrilled hole is ready for reaming to H7 without an additional boring bar pass
- Full interchangeability according to DIN 345 — identical taper dimensions regardless of manufacturer — the drill can be replaced without adjusting the machine
The Ø36.25 mm drill bit is used in steel fabrication plants, maintenance departments, and industrial machinery service shops. It is suitable for drilling mounting holes in foundation plates, pipeline flanges, and machine housings. It normally produces holes to tolerance grade H12 (Ø36.250–Ø36.500 mm); holes requiring an H7 fit need additional 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 Ø36.25 MM DRILL BIT:
| ✓ | MT4 → MT5 — for a spindle with an MT5 socket |
| ✓ | MT4 → MT3 — for a spindle with an MT3 socket |
| ✓ | MT4 drill drift — for removing the drill bit from the spindle |
Cutting data for the Ø36.25 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø36.25 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 | 0.25 | 97÷176 | 24÷44 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.25 | 114÷140 | 28÷35 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.32÷0.40 | 220÷246 | 70÷98 |
Deep-hole drilling (over 3×D)
When drilling holes deeper than 108 mm (3×Ø36.25), periodically retract the drill every 1–1.5×D to remove chips. Use ample emulsion cooling (minimum concentration of 6–8%). Reduce the feed by 30–50% from nominal values.
Material compatibility of the Ø36.25 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 Ø36.25 mm drill bit
1) Clean the taper and spindle socket. 2) Check runout (maximum 0.03 mm). 3) Replace the drill if the taper is damaged or worn. 4) Do not stack reduction sleeves (e.g., MT4→MT3→MT5).
For diameters up to approximately 40 mm, drilling into solid material is possible after spot drilling with an NC 90° drill. Above 40 mm, a Ø20–25 mm pilot hole is recommended to reduce axial force by 40–50% and eliminate vibration from the chisel edge.
When drilling S355 steel with a Ø36.25 mm drill, the torque is approximately 90 Nm. This requires a drilling machine with a minimum power rating of 2.2 kW and power spindle feed.
Product accessories
Reduction sleeve MK6 MK4 1751 PTPa DIN 228
Reference: 1186 In stock < 10 items
€36.84
€45.32 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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