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Metal drill bit 35 NWKc HSS DIN 345 Baildon
0414
Diameter (mm): 35301 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
€62.15 tax inc.
Net price: €50.53
Description
DIAMETER Ø35 mm
MORSE TAPER MT4
OVERALL LENGTH 339 mm
FLUTE LENGTH 190 mm
Technical specifications of the Ø35 mm drill bit
Twist drill with Morse taper shank
| TECHNICAL DATA | |
|---|---|
| Diameter | Ø35 NWKc HSS |
| Standard | DIN 345 |
| Drill type | NWKc — twist drill with taper shank |
| Material | HSS (high-speed steel) |
| Overall length l1 | 339 mm |
| Flute length l2 | 190 mm |
| Morse taper | MT4 |
| Point angle | 118° |
| Diameter tolerance | h8 |
| Cutting direction | Right-hand |
Ø35 mm HSS metal drill bit – Morse taper MT4
Product description and key benefits
The Ø35 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 35 mm, the axial force and torque require a stable machine platform — a pillar or box-column drilling machine with power spindle feed. The Ø35 Morse taper drill with a flute length of 190 mm enables drilling through holes in components with thicknesses commonly encountered in machine building.
Key benefits of the Ø35 mm metal drill bit
- Self-holding taper shank — MT4 transmits full torque to the cutting edges without intermediate components
- HSS with a hardness of 63–65 HRC — stable cutting of materials with tensile strengths up to 900 N/mm² without loss of sharpness
- Overall length of 339 mm — proportional to the drilling diameter — provides a balance between reach and rigidity
- General-purpose 118° geometry — suitable for most materials encountered in shop machining
- Sleeve compatibility — use on drilling machines with MT3 to MT5 spindles using reduction sleeves
- Repeated resharpening — HSS steel allows the cutting edge to be restored without loss of cutting properties
The Ø35 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 (Ø35.000–Ø35.250 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 Ø35 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 Ø35 mm drill bit according to ISO 513
Recommended machining conditions for a diameter of Ø35 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 | 100÷182 | 25÷46 |
| K Cast iron | Gray cast iron GG20–GG30 | 13÷16 | 0.25 | 118÷146 | 30÷36 |
| N Copper and Al alloys | Cu, CuZn, Al, and alloys | 25÷28 | 0.32÷0.40 | 227÷255 | 73÷102 |
Cooling for large diameters
At a diameter of 35 mm, the volume of chips generated per centimeter of depth is approximately 9.6 cm³. Use a 6–8% emulsion at a minimum flow rate of 6 l/min. Without pressurized cooling, limit the depth per pass to 52 mm.
Material compatibility of the Ø35 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 Ø35 mm drill bit
Depth greater than 3×D (105 mm): reduce feed by 30–50%, retract every 1×D, and use a 6–8% emulsion at a minimum flow rate of 6 l/min. Peck drilling prevents chips from jamming in the flutes.
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.
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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