7Pcs8Pcs11Pcs16Pcs 19127mm 345'' M42 High Speed Steel Hole Drill Bit Core Shaft With Storage Box For Plastic Wood Metal Sheet Tools 7pcs

Features：
Made of premium M42 high speed steel, sturdy and durable.
The is extremely sharped, with good perforation capability.
Taking the form of a short open cylinder with on the open edge, perfect for installing locks, knobs in doors and cabinets
Can be used to make holes in wood, thin steel sheet, aluminum alloy and metal sheet.
The newly designed removal groove, it can discharge the rapidly, and will not cause the crack and stuck piece phenomenon.

Specification:
Material: M42 High Speed Steel
Uses: Opening hole
Hole diameter:
7PCS: 26/32/38/45/50/56/63mm
8PCS: 64/73/89/102/127mm
11PCS: 19/22/29/32/38/44/51/64mm
16PCS: 19/22/29/32/38/44/51/64/76/89/102/127mm

Package included:
7/8/11/16pcs M42 Drilling Hole Kit Set

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