HSS Metal Drill Bit 11 mm 1 pc YT-3955 Yato
Key information
Availability:Temporarily out of stock — ask for availability
Shipping cost:From 3.29 Euro
catalog number:YT-3955
Availability:
EAN code:5906083939556
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,09 kg
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HSS Metal Drill Bit 11 mm YT-3955 Yato
An HSS-G high-speed steel twist drill bit for metalworking, manufactured to DIN 338. The 11 mm cutting diameter and cylindrical shank allow holes to be drilled in structural steels, cast iron and non-ferrous metals.
Features of the HSS metal drill bit
HSS-G high-speed steel
A material with increased hardness and wear resistance. The "G" (ground) designation indicates a ground surface, which ensures precise drill guidance and cleaner hole edges. HSS retains its cutting properties at the temperatures of up to 600°C generated during drilling.
DIN 338 compliance
A standard defining twist drill geometry: a 118° point angle, a helix with a specified pitch and length proportions. DIN 338 guarantees dimensional repeatability and compatibility with drill chucks from all manufacturers.
11 mm cylindrical shank
A shank with a circular cross-section, of the same diameter as the cutting diameter. It fits the keyless chucks of hand drills and pillar drills. The chuck's maximum capacity must be at least 11 mm.
Metal applications
The cutting geometry is designed for machining materials with a crystalline structure. The drill bit handles structural steels up to 900 N/mm², grey and ductile cast iron, aluminium, copper, brass and zinc alloys.
Technical specification
| Model | YT-3955 |
| EAN code | 5906083939556 |
| Manufacturer | Yato |
| Cutting diameter | 11.0 mm |
| Cutting edge material | HSS-G (ground high-speed steel) |
| Manufacturing standard | DIN 338 |
| Shank type | Cylindrical |
| Application | Metal |
| Weight | 0.09 kg |
Applications of the 11 mm metal drill bit
- Drilling fixing holes in steel and aluminium profiles
- Preparing holes for M10 bolts in metal structures
- Working steel sheet up to 15 mm thick
- Drilling in grey and ductile cast iron components
- Drilling holes in metal tubing and sections
- Installation work in the construction and industrial sectors
- Repair and maintenance of machinery and equipment
- Machining non-ferrous metals: copper, brass, aluminium
Use and maintenance
Drilling parameters
For S235 structural steel: speed 300-400 rpm, feed 0.15-0.20 mm/rev. For aluminium: 800-1200 rpm, feed 0.20-0.25 mm/rev. Using a cutting fluid (emulsion, machine oil) extends cutting edge life and improves hole quality. Drilling without cooling is acceptable in materials up to 5 mm thick.
Tool maintenance
After each use, clean the drill bit of swarf with a wire brush. Store in a dry place, protected from moisture. A blunt cutting edge is indicated by increased feed force, excessive heat build-up and uneven hole edges. HSS drill bits can be sharpened on specialist grinders while maintaining the 118° angle.
Commercial information
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