Tianjin Shengtiantai Steel Pipe Manufacture Co., Ltd.
Main products:steel pipe
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Contact Us
  • 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

Step drill with spiral flute

Step drill with spiral flute
Product Detailed
1.ISO9001:2008 2.Professional manufacturer 3.Spiral flute 4.Good quality/Competitive price 5.Bright finished

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.

SizeDiameter ListOverall Length(mm)Step QTY.
4-12mm4,5,6,7,8,9,10,11,12mm65mm9
4-22mm4,6,8,10,12,14,16,18,20,22mm80mm10
4-32mm4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm105mm15
6-38mm6,9,13,16,19,21,23,26,29,32,35,38mm100mm12
6-40mm6,11,17,23,29,30,31,32,33,34,35,36,37,38,39,40mm105mm16
10-20mm10,11,12,13,14,15,16,17,18,19,20mm88mm11

Step drill with spiral flute

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