4x HSS Center Drills Metalworking Machine Hand

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Description:

Application: center hole shaft and other parts of the end face machining.

Cutting light, good chip, high hardness, help protect the body's tissues are worn prolong life

High strength, tight adhesion between the substrate and the coating.

Use: Prefabricated pinpoint hole machining, twist drill hole machining, reduce errors.

The role of the central hole and the structure: Center hole is positioned based on the top surface of the workpiece shaft installed. 60 with 60 top of the center hole compatible; small hole in the end, to ensure the cone with the top cone with the apt, and can store a small amount of oil.

Specification:

Material: HSS

Size Chart:

1.5mm

Shank Diameter: Approx. 4mm/0.16inch

Length: Approx. 36.5mm/1.44inch

2mm

Shank Diameter: Approx. 5mm/0.20inch

Length: Approx. 41mm/1.61inch

3mm

Shank Diameter: Approx. 8mm/0.31inch

Length: Approx. 44.5mm/1.75inch

4mm

Shank Diameter: Approx. 10mm/0.39inch

Length: Approx. 57mm/2.24inch

Package Includes:(4 Pack)

1 Piece Type A Titanium

PC Lens;Diopter Welding Cheater PC Lens

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