- Mining Machinery Parts[10]
- Steel Pipes[6]
- Chisel[1]
- Saw[3]
- Drill Bit[10]
- Electric Drill[2]
- Other Power Tools[1]
- Saw Blade[1]
- Contact Person : Ms. Pan Fengzhi
- Company Name : Tianjin Shengtiantai Steel Pipe Manufacture Co., Ltd.
- Tel : 86-22-26620055,15320128888
- Fax : 86-22-26620219
- Address : Tianjin,Tianjin,North of the Jinyong Road, Shuangkou Town, Beichen District ,Tianjin
- Country/Region : China
- Zip : 300401
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Step drill with spiral flute
1.) Step drill bits 2.) Spiral flute 3.) Step drill, bright finished 4.)HSS steel 5.) ISO9001
Step drills are ground from solid high speed steel. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.
*Suitable for drilling in alloyed and non alloyed steel sheet, pipes and profiles upto 950N/mm2 and upto a wall thickness of 5mm. Also suitable for wood and plastics. *Spiral flut gives the faster drilling speed and faster dust rejection.
1.) Step drill bits 2.) Spiral flute 3.) Step drill, bright finished 4.)HSS steel 5.) ISO9001
Step drills are ground from solid high speed steel. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.
*Suitable for drilling in alloyed and non alloyed steel sheet, pipes and profiles upto 950N/mm2 and upto a wall thickness of 5mm. Also suitable for wood and plastics. *Spiral flut gives the faster drilling speed and faster dust rejection.
Size | Diameter List | Overall Length(mm) | Step QTY. |
4-12mm | 4,5,6,7,8,9,10,11,12mm | 65mm | 9 |
4-22mm | 4,6,8,10,12,14,16,18,20,22mm | 80mm | 10 |
4-32mm | 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm | 105mm | 15 |
6-38mm | 6,9,13,16,19,21,23,26,29,32,35,38mm | 100mm | 12 |
6-40mm | 6,11,17,23,29,30,31,32,33,34,35,36,37,38,39,40mm | 105mm | 16 |
10-20mm | 10,11,12,13,14,15,16,17,18,19,20mm | 88mm | 11 |
Step drill with spiral flute