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Metal drill bits
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Countersink YATO YT-44721
Length: 40mm
Article number:
YT-44721
Details
- Length [mm]: 40
- Material: Steel
- Surface: Polished
- Diameter [mm]: 6,3
- Hexagonal Drive Tang Size [mm (inch)]: 6.3 (1/4")
- Number of blades/vanes: 5
- Angle [°]: 45
- Condition: New

Countersink YATO YT-44722
Length: 40mm
Article number:
YT-44722
Details
- Length [mm]: 40
- Surface: Polished
- Material: High-speed steel
- Diameter [mm]: 8,3
- Square Drive Tang Size [mm (inch)]: 6.3 (1/4")
- Number of blades/vanes: 5
- Condition: New
Article number:
YT-44724
Details
- Length [mm]: 40
- Spanner Size: HEX 1/4ʺ
- Angle [°]: 45 °
- Diameter [mm]: 12,4
- Number of tools: 1
- Condition: New
Article number:
YT-44725
Details
- Length [mm]: 45
- Spanner Size: HEX 1/4ʺ
- Angle [°]: 45 °
- Diameter [mm]: 16.5
- Number of tools: 1
- Condition: New
Article number:
HT6D334
Details
- Diameter [mm]: 4.5
- Overall Length [mm]: 85
- Effective Length [mm]: 52
- Packing Type: Blister Pack
- Material: High-speed steel
- Weight [g]: 25
Article number:
YT-44726
Details
- Length [mm]: 45
- Spanner Size: HEX 1/4ʺ
- Angle [°]: 45 °
- Diameter [mm]: 20.5
- Number of tools: 1
- Condition: New
Article number:
102114
Details
- Length [mm]: 50
- Weight [g]: 15
- Material: High-speed steel
- Diameter [mm]: 10,4
- Specification: DIN 335
- Suitable For (substance/mix/gas/chemicals): Metal
- Lip Angle [°]: 90
- Condition: New
Article number:
YT-44730
Details
- Size: 3-14 mm, 8-20 mm, 16–30 mm
- Packing Type: Blister Pack
- Condition: New
Article number:
102116
Details
- Weight [g]: 26
- Length [mm]: 56
- DIN/ISO: 335
- Diameter [mm]: 12,4
- Cutting Direction: Right cutting
- Angle [°]: 90
- Application: metal, plastic, aluminium
- Condition: New
Article number:
102119
Details
- Length [mm]: 60
- Weight [g]: 36
- Material: High-speed steel
- Diameter [mm]: 16,5
- Specification: DIN 335
- Suitable For (substance/mix/gas/chemicals): Metal
- Lip Angle [°]: 90
- Condition: New

Sheet Metal Cone Bit ASTA A-MD78312670
Article number:
A-MD78312670
Details
- Overall Length [mm]: 70
- Effective Length [mm]: 25
- Diameter [mm]: 12 / 6
- Condition: New

Countersink YATO YT-44729
Length: 4 х 40, 2 х 45mm
Article number:
YT-44729
Details
- Length [mm]: 4 х 40, 2 х 45
- Material: High-speed steel
- Surface: Polished
- Quantity Unit: Kit
- Quantity: 6
- Diameter [mm]: 6,3, 8,3, 10,4, 12,4, 16,5, 20,5
- Square Drive Tang Size [mm (inch)]: 6.3 (1/4")
- Number of blades/vanes: 5
- Packaging: in Sheet Steel Cassette
- Condition: New
Article number:
102123
Details
- Length [mm]: 67
- Weight [g]: 62
- Material: High-speed steel
- Diameter [mm]: 25
- Specification: DIN 335
- Suitable For (substance/mix/gas/chemicals): Metal
- Lip Angle [°]: 90
- Condition: New
Article number:
102121
Details
- Length [mm]: 63
- Weight [g]: 52
- Material: High-speed steel
- Diameter [mm]: 20,5
- Specification: DIN 335
- Suitable For (substance/mix/gas/chemicals): Metal
- Lip Angle [°]: 90
- Condition: New
Article number:
57H741
Details
- Material: High-speed steel
- Diameter from [mm]: 4
- Diameter up to [mm]: 32
- Parameter: METAL, PLASTIC
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Metal drill bits are designed for making holes or slots in materials. Drilling becomes possible due to the sharp tip and special cutting edges.
Metal drill bits: 6 important facts
- There are spade, twist, core, step and centre drill bits. The working surface of the spade tools has the shape of a plate but doesn’t ensure swarf removal. Twist ones have special grooves for swarf discharge. Core drill bits are hollow cylinders with sharp teeth on the edge. Step tools are suitable for making holes of different diameters. Centre ones are designed for marking.
- Depending on the method of production, the following types can be distinguished: solid (the whole tool is made of one material), indexable (their bodies have slots for changeable inserts), welded (their shank is made of soft metals and cutting inserts – of hard ones).
- They are made of alloy or carbon steel and of hard alloys as well.
- It is not acceptable to use the device continuously for a long time as there is a risk of overheating. It is better to cool them by putting them into machine oil.
- It is not recommended to use dull devices. Use special tools for sharpening according to the instructions.
- In order to extend their service life, it is important to select appropriate working modes of the drill. For instance, it is better to set the device to 400 rpm if you want to drill a 3 mm thick workpiece.
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