Inch Size HSS Spiral Grooved Step Drills

Specifications

Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.

Inch Size HSS Spiral Grooved Step Drills

Item No.:14HSO006

*  The CBN ground and spiral flutes guarantee quiet running and high cutting performance. Especially the chip flow is optimized, so even long, non-breaking chips will be removed easily.

*  The optimized chip flow protects the cutting edges and reduces built-up edges and cold weld marks. The cone makes it easier to withdraw the tool from the material.

*  HSS Step Drills for drilling cylindrical holes in solid material up to a thickness of 1/8".

*  Burr-free and vibration-free drilling.

*  The tapered cutting edges of the next drill step can be used for simultaneous deburring or chamfering of the finished bore at the same time.

*  Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.

*  Drills up to 1/2" holes sizes with one bit.

*  Ideal tool for sheet metal workers, electrical contractor, auto mechanics, and general contractors.

*  Surface treatment available:White Finish, Black Oxide, Titanium Coated, Cobalt Coated, TiALN Coated

Item No.	Size Range	Step No.	Shank Size
SDG001	3/16" – 1/2"	6	1/4"
SDG002	1/8" – 1/2"	13	1/4"
SDG003	1/4" – 3/4"	9	3/8"
SDG004	3/16" – 7/8"	12	3/8"
SDG005	1/4" – 7/8"	11	3/8"
SDG006	1/4" – 1"	10	1/2"
SDG007	9/16" – 1"	8	3/8"
SDG008	1/2" – 1"	9	3/8"
SDG009	7/16" – 1 1/8"	12	3/8"
SDG010	1/4" – 1 3/8"	10	1/2"
SDG011	1/4" – 1 1/2"	11	1/2"
SDG012	13/16" – 1 3/8"	10	1/2"
SDG013	3/4" – 1 3/8"	11	1/2"
SDG014	7/8" – 1 1/8"	2	3/8"
SDG015	7/8" – 1 3/8"	5	3/8"