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Description
Technical data of metal drill fi 1.1
| Technical data | |
|---|---|
| Working diameter of drill d | fi 1,1 mm |
| Overall length l1 | 36 mm |
| Length of working part l2 | 14 mm |
- Drill bit made according to DIN-338
- Possible drilling to a hardness of 35 HRC
- Blade angle of 118 degrees suitable for drilling in steel, cast steel
- Made of the best quality HSS ( High speed steel )
- Makes a hole in h8 tolerance
- Low roughness of the hole
Cutting parameters of drill fi 1,1 mm HSS NWKa
| ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 14-25 | 0,05 | 4053 | 203 |
| K | Cast iron | 10-18 | 0,05 | 2895 | 145 |
May be useful
Cutting parameters calculator
Drill fi 1,1 with cylindrical shank
The 1.1 mm HSS DIN 338metal drill bit is designed for drilling nominal holes in structural steels, cast iron and non-ferrous alloys; in workshop applications it also works well as a fi 1.1 mm steel drill bit, maintaining a stable cutting path and IT12 grade accuracy.
The working diameter is 1.1 mm, and the 118-degree tip angle balances cutting forces and facilitates centering. Spiral, precision-ground grooves ensure continuous chip evacuation in the right cutting direction. The high-purity high-speed steel core guarantees wear resistance and long retention of a sharp edge. Length execution is normal length according to DIN 338; for dimensional repeatability, high speeds, micrometer feed, precision clamping and emulsion or oil mist cooling are recommended.
- Repeatability of IT12 grade - dimensional stability is enhanced by a 1.1 mm metal drill bit with properly selected speeds, feed and rigid clamping.
- Secure entry and guidance - 118-degree geometry reduces drift at the start and stabilizes the drilling axis.
- Smooth hole walls - polished chip channels reduce friction, improving entry and exit edges.
- Blade durability - homogeneous HSS slows down wear in unit and short-run work.
Compliance with DIN 338 and reference to PN-EN ISO 286 allow the holes obtained to qualify for workshop fits; in steel machining, predictable diameter and alignment are maintained without the need for additional honing.
Product accessories
Tapered countersink 6.3/90 DIN 335 C HSS
Reference: 0000004110 In stock > 10 items
€4.21
€5.18 brutto
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