Center Drill Bits High speed steel HSSCobalt

Combined Drill and Countersink (Center Drill Bit), High speed steel., Din333 Form A, B, R. Plain type, bell type and radius type - details see: https://www.machineto.com/center-drill-bits-high-speed-steel-hsscobalt-10149387

Place of Origin:Jiangsu China (Mainland)	Brand Name:STC	Model Number:y10	Machine Type:Drilling Machine
Type:Drill Bit

Center Drill Bits High speed steel HSSCobalt

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COMBINED DRILLS AND COUNTERSINKS (CENTER DRILL BITS)

Material: HSS, HSSCO.

Product Feature
(Din 333 Form A, B, R). Plain type, bell type and radius type.
Ground,bright finish.

Product Specification/Models
Size: 1-6.3mm; 3/64"-25/64"

Application
These are designed with 118 degree point angle and a 60 degree countersink included angle with spiral flutes. They are used for center holes in work pieces for additional manufacturing operations.

Tin--coating on request
Solid carbide k10 micro-fine on request

Nominal diameter Dh8 mm	Overall length L mm	Shank diameter dh7 mm
1.00	31.50	3.15
1.25	31.50	3.15
1.60	35.50	4.00
2.00	40.00	5.00
2.50	45.00	6.30
3.15	50.00	8.00
4.00	56.00	10.00
5.00	63.00	12.50
6.30	71.00	16.00