Availability:Temporarily out of stock — ask for availability
Shipping cost:From 3.29 Euro
catalog number:YT-40050
Availability:
EAN code:5906083069185
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,20 kg
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A set of five HSS 6542 high-speed steel twist drill bits for metal with SDS Plus shanks. The bits feature a cross-ground 135° split point tip, which ensures accurate centring without slipping on the workpiece surface.
A steel alloy containing tungsten (6%), molybdenum (5%), chromium (4%) and vanadium (2%). The hardness of the material provides resistance to abrasion when drilling ferrous and non-ferrous metals. The cobalt content increases heat resistance, which allows the bits to be used at higher speeds without losing their cutting edge.
A mounting system used in hammer drills and rotary hammers. The four grooves allow rapid tool changes without the need for a key. The shank transmits both torque and axial impact, which increases drilling efficiency in harder materials.
Cross grinding removes the central section of the chisel edge, which reduces the feed force required to start drilling. The 135° angle prevents the bit from slipping on the metal surface and reduces the risk of damaging the material when spot drilling.
The five most popular diameters (4, 5, 6, 8, 10 mm) cover the typical requirements of installation work, steel structures and workshop tasks. The set removes the need to buy individual drill bits for standard applications.
| Model | YT-40050 |
| Manufacturer | YATO |
| Drill bit material | HSS 6542 high-speed steel |
| Shank type | SDS Plus |
| Tip type | Split point 135° |
| Drill bit diameters in the set | 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0 mm |
| Number of pieces | 5 |
| Application | Drilling in metals |
SDS Plus drill bits require a hammer drill or rotary hammer with an SDS Plus chuck. They are not compatible with standard drills fitted with a keyless or keyed chuck. Before purchase, check the chuck type on your tool. Most manufacturers mark compatible tools with the SDS Plus or SDS+ symbol.
Before starting work, check that the bit is correctly seated in the chuck - a distinctive click confirms that it is locked in place. Drilling in metal requires lower speeds than wood or plastics - the recommended setting is 500-1500 rpm, depending on the diameter and hardness of the material.
When drilling structural steels, the use of coolant or cutting oil is recommended, as this extends the life of the cutting edge and improves hole quality. Soft metals such as aluminium can be drilled dry, keeping the rotational speed moderate.
After use, clean the bits of swarf and protect them from moisture. Regular lubrication of the SDS Plus shank prevents corrosion and makes tool changes easier. Blunt bits can be sharpened with a drill bit sharpener, maintaining the original 135° point angle.
Safety goggles and work gloves should be worn when drilling. The workpiece should be securely clamped. Do not overload the bit with excessive feed pressure - this can cause overheating or breakage of the tool. Store tools out of the reach of children. Use only bits that are in good condition and undamaged.
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