Name: COBALT DRILL BIT SET 25 PIECE 1-13MM X 0.5 IN METAL CASE
Brand: ALPEN
SKU: ALP KM25COB
Price: 3598.00 ZAR
Availability: InStock

COBALT DRILL BIT SET 25 PIECE 1-13MM X 0.5 IN METAL CASE

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R 3,598.00

Ex Tax: R 3,128.70

Quantity	Unit Price	You Save
3 or more	R 3,531.24	1.86 %
6 or more	R 3,464.62	3.71 %
10 or more	R 3,384.66	5.93 %

Stock: 16
Model: ALP KM25COB
Weight: 1.52kg
Dimensions: 166.00mm x 176.00mm x 176.00mm
SKU: ALP KM25COB
UPC: 9002740100096

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25 Piece Cobalt drill bit set

Alpen HSS-ECo Cobalt KM25 Jobber drill set in metal cassette 19 pcs. ø 1.0-13.0 mm. Drill bit size increments - 0,5mm.

Range of application:

5% cobalt-alloyed jobber drills with high heat-resistance for drilling steels with tensile strength over 800 N/mm², especially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel. Ideal for stainless steel.

For drilling into:

Structural steels < 400 N/mm²
Free cutting steels < 850 N/mm²
Unalloyed heat treatable steels < 1.100 N/mm²
Alloyed heat treatable steels < 1.300 N/mm²
Copper, brass, aluminium
Stainless steels
Grey cast iron, malleable cast iron
Plastics

Art-No. 00 001002251 00

Cooling recommendations for Cobalt drills
Material		Hardness	Coolant
	Steel	< 400 N/mm2	Emulsion
	Steel	< 850 N/mm2	Emulsion
	Steel	< 1.100 N/mm2	Emulsion
	Steel	< 1.300 N/mm2	Emulsion or Oil
	Stainless Steel		Emulsion
	Cast iron		Dry / Compressed Air / Emulsion
	Titanium		Oil
	Copper and Brass		Oil
	Aluminium		Emulsion
	Composites and Plastics		Emulsion / Water / Air

Sharpening angles and Point shapes

Drill bits are not all the same. Special materials and the different applications need different cutting angles and point shapes. Refer to the table below to learn more about point shapes and the lip angles.


Relieved cone, 118°	Split Point AC, 118°	Split Point C, 130°	Centering Point-Shape E, 180°
Universal point-shape for a lot of drilling applications in steel and iron, non ferritic-materials, plastics and other materials.	Point-shape with increased performance and very good centering. This point shape is being used for all industrial drill bits.	Special point-shape for stainless steels and special materials.	Special point-shape for spot weld drills.

Strengths
HIGHLY ACCURATE	special shape, drills without center-punching
BREAK RESISTANT	thanks to CNC heat treatment
INDUSTRIAL QUALITY	suitable for NC machines
SELF-CENTERING	thanks to special point shape
TEMPERATURE RESISTANT	Up to 600° C drilling even with the highest thermal stress
FAST	due to special drill grinding fast drilling progress and up to 50% less feed pressure required