Description:
3pcs HSS Nitrogen Step Drill Bit Set 3/16-1/2 1/4-3/4 3/16-7/8

Specification:
Material: HSSType:3/16-1/2、1/4-3/4、3/16-7/8Total quantity: 3pcsSize:

Type	Diameter of Head	Diameter of Shank	Length of Blade	Total Length
3/16-1/2	12mm/0.47''	6mm/0.23''	35mm/1.37''	60mm/2.36
1/4-3/4	20mm/0.78''	10mm/0.39''	50mm/1.96''	75mm/2.95''
3/16-7/8	20mm/0.78''	10mm/0.39''	55mm/2.16''	80mm/3.14''

 Features:
Durable and practical.Application Material: Wood、plastic、Aluminum plate etc.Suitable for DIY、 Home and General Building/Engineering Using.
 Package Included:
3 x Step Drill

More Details: