Self Tapping/Drilling Screws/Pozi Double Flat Head Chipboard Screw

  • Model NO.: 3.5mm - 6.3mm
  • Type: Countersunk Head
  • Connection: Hinged Bolts
  • Standard: DIN, GB, ANSI, BSW, JIS, GOST
  • Available Material: Carbon Steel, Stainless Steel
  • International Standard: DIN, ANSI, GB, JIS, Bsw, GOST
  • Used: Hex Bolt-Machinery, Building
  • Name: Hex Socket Tapping Screw/Hex Flange Screws
  • Market: Global
  • Specification: M2-M24
  • HS Code: 731815
  • Material: Carbon Steel
  • Groove: Cross
  • Head Style: Counter Sunk Bolt
  • Grade: 5.6
  • Head Type: Countersunk Head
  • Class/Grade: 4.8, 8.8, 10.9
  • Surface Finishing: Hot Galvanizing, Black, Color-Zinc, Zinc
  • MOQ: 10000PCS
  • Trademark: HN
  • Origin: China

Double Flat Head Pozi Type 17/Pozi Double Flat Head Chipboard Screw 
   A selftapping screw is a screw that can tap its own hole as it is driven into it. For hard substrates such as metal or hard plastics, the selftapping ability is often created by cutting a gap in the continuity of the thread on the screw, generating a flute and cutting edge similar to those on a tap. Thus, whereas a 
regular machine screw cannot tap its own hole in a metal substrate, a selftappig one can (within reasonable limits of substrate hardness and depth). For softer substrates such as wood or soft plastics,the selftapping ability can come simply from a tip that tapers to a gimlet point (in which no flute is needed).
Like the tip of a nail or gimlet, such a point forms the hole by displacement of the surrounding material rather than any chipforming drilling/cutting/evacuating action.
Products name Double Flat Head Pozi Type 17/Pozi Double Flat Head Chipboard Screw 
Standard: DIN,ASTM/ANSI JIS EN ISO,AS,GB
Material Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593
Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;  SAE: Gr.2,5,8; 
ASTM: 307A,307B,A325,A394,A490,A449,
Finishing Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,
Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Production
Process		 M2-M24:Cold Froging,M24-M100 Hot Forging,
Machining and CNC for Customized fastener
Customized Products
Lead time		 Busy season:15-30days,Slack seaon:10-15days
Stock Products Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782
Stainless steel: All DIN Standard stainless steel Bolt
Free Samples for standard fastener
For more information visit:www.hainafastener.com
Double Flat Head Pozi Type 17/Pozi Double Flat Head Chipboard Screw 


Service

        Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specification and performance.
        Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
        Cost effective: Competitive prices with factory directly supply
        Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.
        Customized Ideal Fasteners: customized services according to the samples and drawings offered.
        If you are not sure about what exactly you need -  feel free to contact us anytime and get professional assistance from us.

 

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