1. Descriptions:

     Hex Washer Head Self Drilling Screw is also called HWH drilling screw. The Self Drilling Screws drill their own holes when they’re screwed into materials such as wood, plastic and metal. Drilling screws can be produced according to the standards: GB GB / T, German standard DIN, Japanese standard JIS, international standard ISO.
 

      Hex flange self drilling screws .Hexagon flange head drilling screws with tapping screw thread and PT1-PT6 drill end point are widly used in many construction areas.

2. Specifications:

3. Features:

● 410 stainless steel has high strength and hardness ratings and resists corrosion in mild environments
● It is wood drill tail screw, mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material.
● Teks self-tapping screws provide secure fastening with strong holding power without the need to pre-drill

4. Mechanical properties test:

4. Installation Guidelines:

 Use a standard screwgun with a depth-sensitive nose piece. Suggested screwgun specification for optimal performance – 4 amps minimum and RPM range of 0 to 2,500.
 The Hex head is fully seated when the head is flush with the work surface.
 Overdriving may result in failure of the fastener or stripout of the work surface.
 The fastener must penetrate beyond the metal a minimum of three thread pitches.