Hex Head Metal ROOFING SCREWS with EPDM washer

• Self drilling, self starting roofing screws for sheet metal roof and siding installation
• Premium roofing screws are designed for securing thin-gauge metal roofing panels to wood structures
• Colored powder coating offers superior corrosion resistance and exterior protection while matching popular roofing colors
• Self-sealing neoprene washer provides a waterproof seal in harsh outdoor environments
• Self Drilling TEK point for easy installation

Additional information

Size

M4.2(#8)~M6.3(#14), 16mm ~ 180mm

Material

Carbon Steel 1022

Head Type

Hex washer, Hex flange

Drive Type

Phil, slotted, Phil & Slotted combination

Thread

full thread, partical thread

Surface Treatment

Black Phosphate, Gray, HDG, Ruspert, Nickel, Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver), Black oxide coatin, ruspert

Packing

Bulk in cartons (25kg Max.) + wooden pallets or according to customer demand.

Application

roofing on a house, porch, airplane hangar, shed, pole barn, shop, barn or lean-to

Hex Head Metal ROOFING SCREWS with EPDM washer

Hex washer head self drilling screws with EPDM rubber metal beaked washers designed for metal roofing and siding.

Roofing screws are an ideal solution for all metal-to-wood roofing projects. Engineered drill-point and flute remove material efficiently and properly size the hole for threads.

Ideal for attaching roofing and wall panels to steel framing.

Our metal roofing screws use EPDM Washers to seal the screw to metal roofing panel to stop leaking.

The EPDM Washer is Bonded to a Galvanized Steel Washer Prevent Sealing Issues Due to Fluctuating Temperature Ranges.

Depending on the application and personal preference, No Paint/Galvanized Zinc screws go well with many types of gray, galvanized and other colors of roofing sheet metal.

Generally buying galvanized coated screws is a great way to purchase a long lasting but low cost roofing screw.

the top manufacturer of BI-METAL SCREW in China

Fastener SS304/SS316 Body + SS410/420/CS Point, Self Drilling/Tapping Roofing Bi-Metal Screw with SS EPDM Washer

Our bi-metal screw is made by welding stainless steel together with SS420 or carbon steel.

Its head and body is composed of 300 series stainless steel for corrosion resistance, and its point is composed of SS420 or carbon steel hardened for self-drilling and self-tapping.

Our sharp point bi-metal screw drill capacity is up to 1mm+1mm galvanized steel plate without pre-dirlling, which improves work efficiency for projects.

You will see from videos of:

· How is bi-metal screw made

· How bi-metal screws are tested

TEST REPORT OF BI-METAL SCREW

The SuperFix Bi-metal Screws are well tested such as:
· Hardness
· Torque test
· Wring Force
· Tensile Strength
· The shear stress
· Extraction resistance and pull through
· Coating thickness SST (up to 1500 hrs)

More Bi-Metal Screws

  1. Torx drive Bi-metal screw with bonded washer self drilling
  2. Hex washer head Bi-metal screw with A2 bonded washer drill point
  3. Wafer head Bi-metal self drilling screw ruspert coated 500hrs
  4. CSK head Bi-metal Tek self drilling screw ruspert coated

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