ZEC INDUSTRY CO.,LTD
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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" |
