SUS410 Self-Drilling Flat Head Screw with Wings

• Designed specifically for fixing timber work to steel sections

• Stainless steel which with good anti-corrosion performance

• Winged point creates pilot hole through the plywood

• Countersunk Head – Sits flush with material

• They feature wings that eliminate the need for pre-drilling in wood

• Type 410 stainless steel can be hardened through heat treatment, giving it the ability to drill through metal. It does not offer the same level of corrosion resistance of either Type 316 or 305 stainless steel.

Additional information

Size

M3.5~M6.3, 19mm ~ 100mm

Material

Carbon Steel 1022

Head Type

Flat,countersunk with ribs under head

Drive Type

Phil, Torx, slotted, Phil & Slotted combination, Hex Socket, square

Thread

full thread, partical thread

Surface Treatment

Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc.

Packing

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

Application

Metal or wood, for attaching plywood to metal frames

SUS410 Self-Drilling Flat Head Screw with Wings

Self-Drilling Screws (sometimes incorrectly referred to as self-tapping screws) enable drilling without first creating a pilot hole. Self-drilling screws or (SDS’s) are usually used to join materials like sheet metal to other materials, such as metal or wood.

Self-drilling flat-head screw with wings is available in type 410 stainless steel. Wings above drill point provide clearance hole in work piece so it won’t climb up the shank; wings break off as point engages the steel substrate.Type 410 stainless steel is hardened through heat treatment, allowing it to drill through metal.

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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