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  • Truss Head Self Drilling/Tapping Screw
  • Truss Head Self Drilling/Tapping Screw
  • Truss Head Self Drilling/Tapping Screw
  • Truss Head Self Drilling/Tapping Screw

Truss Head Self Drilling/Tapping Screw

The head of DIN7504Q modified truss head screw is round, it's a kind of efficient riveting fastener. The tails can be divided into two kinds, one is self-tapping, whose performance please refer to drywall screw.

Product Description

1. Introduction

The head of DIN7504Q modified truss head screw is round, it's a kind of efficient riveting fastener. The tails can be divided into two kinds, one is self-tapping, whose performance please refer to drywall screw.

Another is drilling tail, no auxiliary is required for the connection between the surface and interior of material while using, it can be drilled quickly and directly into the materials, then tapped and locked one-time.

It has the following advantages:

①The surface is galvanized with high brightness, good appearance and strong corrosion resistance.

②Carburizing and tempering treatment enhance the surface hardness, up to even over the standard value.


2. Application

It is used for colored steel plate, galvanized steel plate, metal curtain wall, metal compartment, aluminum doors and Windows, billboards, construction fence, construction protection plate and other indoor and outdoor decoration

It also can be used for combined installation of angle steel, channel beam, color plate, PC board and other metal and non-metallic materials.


3. Specification

MaterialC1022, 1022A
Diameter8#=4.2mm
Length13mm-57mm
FinishWhite-blue zinc plated
DrivePhilip Drive
Head typeDIN7504Q Modified Turss Head
Packing1000pcs/box, or 1kg/25kg per bag, Customized
MOQTwo tons for each size
Delivery timeNormally in15-30 days

Truss Head Self Drilling/Tapping Screw

Pycnometer of Truss Head Self Drilling Screw:

Truss Head Self Drilling/Tapping Screw

Pycnometer of Truss Head Self Tapping Screw:

Truss Head Self Drilling/Tapping Screw


4. Production process


Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw
1. Raw material2. Cold upsetting3. Rolling thread
Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw
4. Hot treatment5. Galvanize/Parkerising6. Packing


5. Quality Inspection

To fully inspect the goods after finishing manufacturing, issue survey report and present to the overseas buyer. We ensure that all the products conform to the requirements of the order and relative international standards.

Truss Head Self Drilling/Tapping Screw


6. Packing & shipment Loading

High-grade package:

A) 1kg/small bag, or 25kgs/woven bag, then bags or cartons loaded on pallet;

B) 1000pcs per small box, then small boxes into cartons;

C) Support customized packaging.


Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw

Truss Head Self Drilling/Tapping Screw

Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw


Shipping: By LCL or FCL Sea Shipment;


Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw
Truss Head Self Drilling/Tapping ScrewTruss Head Self Drilling/Tapping Screw
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