HSS Metal Drill Bit Set, 1-10 mm, 10 pcs YT-4461 YATO
Key information
Availability:In stock (ready to ship)
Shipping time:immediately
Shipping cost:From 3.29 Euro
catalog number:YT-4461
Availability:
EAN code:5906083944611
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,26 kg
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HSS Metal Drill Bits 1-10 mm, 10-Piece Set YT-4461 YATO
A set of twist drill bits made from HSS high-speed steel, designed for drilling holes in ferrous and non-ferrous metals. The set comprises 10 drill bits with diameters from 1 to 10 mm, supplied in a plastic case that makes them easy to organise and transport.
Features of HSS metal drill bits
HSS high-speed steel
High Speed Steel is an alloy containing tungsten, molybdenum and vanadium, which gives it a hardness of 62-65 HRC. This material retains its cutting properties at temperatures up to 600°C, which matters during intensive drilling without cooling.
1 mm diameter increments
The set contains drill bits with diameters of 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 mm. This selection covers typical workshop needs – from drilling pilot holes to holes for M10 bolts and rivets.
Twist geometry
The helical flutes with a standard helix angle clear swarf from the hole during drilling. The rake angle of the cutting edge is suited to machining metals of medium hardness – structural steels, aluminium, copper and brass.
Plastic storage case
The compartmented case protects the drill bits from damage and makes it easy to pick the right diameter quickly. Its compact form allows it to be stored in a tool drawer or a fitter's toolbox.
Technical specification of the drill bit set
| Manufacturer | YATO |
| Model | YT-4461 |
| Drill bit material | HSS high-speed steel |
| Number of pieces | 10 |
| Diameter range | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 mm |
| Shank type | Cylindrical |
| Packaging | Plastic case |
Dimensions of the individual drill bits
| Diameter | Overall length | Flute length |
| 1 mm | 34 mm | 12 mm |
| 2 mm | 49 mm | 24 mm |
| 3 mm | 61 mm | 33 mm |
| 4 mm | 75 mm | 43 mm |
| 5 mm | 86 mm | 52 mm |
| 6 mm | 93 mm | 57 mm |
| 7 mm | 109 mm | 69 mm |
| 8 mm | 117 mm | 75 mm |
| 9 mm | 125 mm | 81 mm |
| 10 mm | 133 mm | 87 mm |
Applications of HSS metal drill bits
- Drilling holes in structural steel up to 900 N/mm²
- Working steel sheet up to 10 mm thick
- Drilling in aluminium, duralumin and light alloys
- Drilling holes in copper, brass and bronze
- Assembly work on metal structures
- Mechanical and fitting repairs
- Preparing holes for tapping
- Drilling pilot holes for larger diameters
Use and maintenance of HSS drill bits
Drilling parameters
For structural steel, the recommended speeds are: 1 mm – 3000 rpm, 5 mm – 1200 rpm, 10 mm – 600 rpm. When drilling aluminium the speed can be increased by 50-100%. Adjust the feed according to the resistance of the material, avoiding excessive pressure that causes overheating.
Cooling during work
When drilling steel, it is advisable to use a cooling and lubricating emulsion or machine oil. Aluminium can be drilled dry or with paraffin. Regular cooling extends the life of the cutting edge and improves hole quality.
Sharpening drill bits
HSS drill bits can be sharpened repeatedly on a bench grinder with an aluminium oxide wheel. Maintain a point angle of 118° and the symmetry of both cutting edges. After sharpening it is worth checking the balance of the drill bit – asymmetry causes runout and an oversized hole.
Storage
Store the drill bits in the supplied case, in a dry place. After use it is worth cleaning them of swarf and applying a thin layer of oil to protect against corrosion. Avoid letting the cutting edges come into contact with hard surfaces.
Commercial information
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Client: Pa...ki,date of purchase 03-07-2023 06:40
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