Self-Drilling Tapping Screws (Pan/Hex Flange)

Self-drilling tapping screws: pan head (GB/T 15856.1-2002) and hex flange (GB/T 15856.4-2002), with EPDM sealing washer for roof cladding and building envelope.

Reference StandardsGB/T 15856.1-2002GB/T 15856.4-2002GB/T 15856.2-2002

Thread SeriesAllCoarseFine (N/A)
Diameter
Length
Material
Finish

Self-drilling tapping screws: pan head (GB/T 15856.1-2002) and hex flange (GB/T 15856.4-2002), with EPDM sealing washer for roof cladding and building envelope.

SKU Matrix

160 SKUs
SKUSize (Dia × Len)Material / FinishThreadingPitchUnit Wt (g)Action
TS-0010003.5×13
Carbon Steel· —· Galvanized
Fully Threaded—1 EstimatedRequest a Quote
TS-0010013.5×16
Carbon Steel· —· Galvanized
Fully Threaded—1 EstimatedRequest a Quote
TS-0010023.5×19
Carbon Steel· —· Galvanized
Fully Threaded—1 EstimatedRequest a Quote
TS-0010033.5×22
Carbon Steel· —· Galvanized
Fully Threaded—1 EstimatedRequest a Quote
TS-0010043.5×25
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote
TS-0010054.2×13
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote
TS-0010064.2×16
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote
TS-0010074.2×19
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote
TS-0010084.2×22
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote
TS-0010094.2×25
Carbon Steel· —· Galvanized
Fully Threaded—2 EstimatedRequest a Quote

Unit weight is a geometric estimate (base metal, coating excluded; HDG ≈ +4.5%); trade settlement by actual weight.

Key Parameters

Standard Basis

GB/T 15856.1-2002 / GB/T 15856.4-2002

This family is confirmed by spec and drawing, without forcing one standard family.

Spec Range

M3–M6 · 41 sizes / 160 SKUs

Carbon Steel, Stainless 304; Galvanized, —

Grades

—

Confirm grade together with mating nuts, washers and certificate requirements.

What to include

Quoted by full spec

Prices differ by size, material, grade and finish, please inquire with full specifications. For non-standard specs, a drawing or site photo is welcome.

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