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  • Hss Twist Drill Bit Din341 Din1870 - China

    price: contact company for price

    twist drill bit

    The twist drill is the most common type of drill. The shank

    of the drill is held by the machine tool, which in turn

    imparts a rotary motion. This shank may be straight or

    tapered. The body of the drill is typically made up of two

    spiral grooves known as flutes, which are defined by a helix

    angle that is generally about 30 degree but can vary

    depending on the material properties of the workpiece. The

    point of the drill generally form a 118° angle and includes

    a 10 degree clearance angle and chisel edge .The chisel edge

    is flat with web thickness of approximately 0.015 x drill

    diameter. This edge can cause problems in hole location

    owing to its ability to "walk" on a surface before engaging

    the workpiece. In the case of brittle materials, drill point

    angles of less than 118 are used, while ductile materials

    use larger points angles and smaller clearance angles.

    USAGE:

    These drill bits can be used in wood, metal, plastic, and

    most other materials.

    Performance:

    Has a different finish that resists corrosion

    118/135 degree point for quick starting and fast penetration

    High speed steel is used the overcome the hardest drilling

    jobs

    These drill bits are available for straight shank, tapered

    shank, reduce shank(Three flat).

    MANUFACTURING features:

    Manufacturing process: rolled, milled or fully ground

    Standards: DIN, ANSI

    Material: HSS (HSS-Co are available)

    Point angle: 118°or 135º split point

    Flute type: N, parabolic flute

    Finish: black oxide, bright, coffee, polished, or Ti-

    coated, Coffee&Black,

    Diameter: 0.2-20.0mm


    Company Contact:


    • Phone: 8651236809449

    • Address: NO.807-1-333HEFENG RD.HUAQIAO BIZ PARK, KUNSHAN, China

    • Email: Email


    Published date: February 27, 2014 -

    • Business Description: Higred Tools Co. was established in 1978 and began to make tools in

      1996. By 15 years in cutting tools industry, we have beenthe

      professional cutting tools manufacturer and distributor among HSS

      Cutting Tools, Tungsten Carbide Cutting Tools and Electrical Power

      Tools. The cutting tools widely used by CNC, Magnetic Drill,Core Drill,

      Hammer Drill, Grinder,etc for metal Industrial,Factories,Bridges

      consructions,blacksmith,Building Constructions,Repairing and

      manufacturing shipping, Steel constructions, etc. Detailed contents are:

      HSS Cutting Tools: HSS Annular cutters, HSS twist drill bits, HSS end mills, HSS Burrs, HSS Reamers, HSS Counter Sinks, HSS Step Drills,HSS Slitting Saws, HSS taps, HSS dies etc;

      Tungsten Carbide Tools: TCT Annular Cutter, Carbide end mills, Carbide twist drills, Carbide Burrs, TCT Saw Blade, Electric hammer drill bits etc. Electrical Power Tools: Magnetic Drill, Drill Bit Sharpener, Penumatic Grinder,Core Drill,Electrical Hammer Drill,Grinder. etc.

      And now Higred Tools Co. is multi million dollar company with 3 factories, 25000 square meters, over 1200 workers can make 6 ~ 7 million sets of drills;10000 pcs of Burrs; 5000pcs of Annular Cutters per month. We have dozens sets of Walter, Matrol, Seiko etc CNC Machine for assurance of the High Quality of the precision tools. We have approvaled by ISO, TUV, CE. The products have entered EU, USA, South America, South Asia, etc with renowned reputation and regular cooperation of OEM or Higred ® Brand.

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