Breynet 90 Degree 3 Flute Countersink Drill Bits Set, Titanium HSS Chamfer Chamfering Tool End Mill Cutter Countersink Drill Bits Set of 6

Price: $10.50
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Manufacturer Description


Material: HSS 4241

head diameter * shank diameter * length
6.3MM: 6.3mm * 5mm * 37mm
8.3MM: 8.3mm * 6mm * 40mm
10.4MM: 10.4mm * 6mm * 39mm
12.4MM: 12.4mm * 10mm * 46mm
16.5MM: 16.5mm * 10mm * 47mm
20.5MM: 20.mm * 10mm * 47mm

Features:

? Countersinks are made from good quality high speed steel which ensures a long service life.
? There are total six pieces of countersinks in sizes of 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm.
? Great for chamfering, deburring and countersinking. Three flutes design provides small chip loads and quicker removal.
? They can discharge chip more rapidly and smoothly in the process of using.. ? Suitable for board of low hardness (less than 25 °) such as aluminum, wood, plastic and other soft material.

Product Features

? 3 Flute 90 Degree HSS Chamfering End Mill Cutter Titanium Nitride Coated HSS Countersink Drill Bit Set ? The countersink drill bits are made of 4241 high speed steel and super hard titanium coated, and the cutting edge is hardened and honed for sharpness ? 1/4 inch quick change hex shank, five-blade chamfering with a groove, 90 ° angle on the point for sharp and precise countersinking ? The whole drill bits is using high-frequency quenching for heat treatment, high-density grinding, with titanium to prevent rust. High hardness, good toughness ? Titanium three edge chamfering. It is suitable for use in the workpiece which the hardness is under 25 degrees, such as aluminum sheet, thin iron plate, the insulating board or PVC board, not for metal.

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