Description:
10pcs HSS Double Ended Twist Drill Bits End Set Dia. 4.2mm or 5.2mm Stell Tool

Specification:
Material: HSS

Diameter(mm) Blade Length(mm) Total Length(mm) 4.2 18 52 5.2 20 57.4
Quantity: 10pcs

Features:
Double Ended Drill Bits， a bit can be used as two ordinary bits to use.
For the stainless steel， non standard iron， copper and aluminum cutting.

Package Included:
1x Set (10pcs) Twist Drill Bits

More Details: