• Model NO.：SD-003
• Specification：HSS or Cobalt M35
• Trademark：FANXI
• Origin：P. R. China
• HS Code：8207509000
• Production Capacity：5, 000PCS,Month

Basic Info.

Model NO. SD-003 Specification HSS or Cobalt M35 Trademark FANXI Origin P. R. China HS Code 8207509000 Production Capacity 5, 000PCS/Month

Product Description

HSS Step Drills Hex Shank
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
All shank with 1/4" quick change hex shank or 3/8" quick change hex shank prevents slipping in drill chuck or bit extension.

Size Range	Step No.	Shank Size
3/16" - 1/2"	6	1/4"
3/16" - 1/2" Long	6	1/4"
1/8" - 1/2"	13	1/4"
1/4" - 3/4"	9	1/4" or 3/8"
3/16" - 7/8"	12	1/4" or 3/8"
1/4" - 7/8"	11	1/4" or 3/8"
1/4" - 1"	10	1/4" or 3/8"
9/16" - 1"	8	1/4" or 3/8"
1/2" - 1"	9	1/4" or 3/8"
7/16" - 1 1/8"	12	1/4" or 3/8"
1/4" - 1 3/8"	10	1/4" or 3/8"
1/4" - 1 1/2"	11	1/4" or 3/8"
13/16" - 1 3/8"	10	1/4" or 3/8"
3/4" - 1 3/8"	11	1/4" or 3/8"
7/8" - 1 1/8"	2	1/4" or 3/8"
7/8" - 1 3/8"	5	1/4" or 3/8"