3pcs Single Flute 90 Degree Edge Chamfer Set Countersink Drill Bit

Description:
3pcs Single Flute 90 Degree Edge Chamfer 3/8 1/2 3/4 Inch Countersink Drill Bit

Specification:
Material: High Carbon Steel (suitable for low hardness of the workpiece, such as wood)
Surface Treatment: Titanium Coated
Type: single Flute 90 Degree
Color: Golden
Weight: 80G
Quantity: 3pcs 
Scope: Mechanical workpiece , Aviation, War industry, Electric valve, Cylinder, sphere hole, ect.

Features:

Chamfer	Shank Diameter	Head diameter	Suitable Hole SIze
3/8"	6.35mm	9.53mm	2~5mm
1/2"	6.35mm	12.7mm	5~9mm
3/4"	6.35mm	19mm	8~13mm

Package included:
1x 3/8" Drill Bit
1x 1/2" Drill Bit
1x 3/4" Drill Bit